mvc editor templates - Page 188

Frequently saving text editor

- by Phil

Is there a FREE text editor for WINDOWS that can be set to save the current file after any changes or every second or faster?

How do I restore the layout on Expression Editor in Powercenter

I am using Powercenter 8 and I am not sure how I did it, but I have messed up the Expression Editor Layout, so now I am unable to see the expression that I am building. Does anyone know how to restore the screen back to its normal layout. Thank you

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How to manage Javascript modules in django templates?

- by John Mee

Lets say we want a library of javascript-based pieces of functionality (I'm thinking jquery): For example: an ajax dialog a date picker a form validator a sliding menu bar an accordian thingy There are four pieces of code for each: some Python, CSS, JS, & HTML. What is the best way to arrange all these pieces so that: each javascript 'module' can be neatly reused by different views the four bits of code that make up the completed function stay together the css/js/html parts appear in their correct places in the response common dependencies between modules are not repeated (eg: a javascript file in common) x-------------- It would be nice if, or is there some way to ensure that, when called from a templatetag, the templates respected the {% block %} directives. Thus one could create a single template with a block each for CSS, HTML, and JS, in a single file. Invoke that via a templatetag which is called from the template of whichever view wants it. That make any sense. Can that be done some way already? My templatetag templates seem to ignore the {% block %} directives. x-------------- There's some very relevant gasbagging about putting such media in forms here http://docs.djangoproject.com/en/dev/topics/forms/media/ which probably apply to the form validator and date picker examples.

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How to Create Element in XSLT When Copying Using Templates

- by John Dumont

Hello, I'm trying to create an element in an XML where the basic content is copied and modified. My XML is something like <root> <node> <child>value</child> <child2>value2</child2> </node> <node2>bla</node2> </root> The number of children of node may change as well as the children of root. The XSLT should copy the whole content, modify some values and add some new. The copying and modifying is no problem: <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0"> <xsl:output method="xml" encoding="UTF-8"/> <xsl:template match="@*|node()"> <xsl:copy> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> </xsl:stylesheet> (+ further templates for modifications). But how do I add a new element in this structure on some path, e.g. I want to add an element as the last element of the "node" node. The "node" element itself always exists.

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Mixins, variadic templates, and CRTP in C++

- by Eitan

Here's the scenario: I'd like to have a host class that can have a variable number of mixins (not too hard with variadic templates--see for example http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.103.144). However, I'd also like the mixins to be parameterized by the host class, so that they can refer to its public types (using the CRTP idiom). The problem arises when trying to mix the too--the correct syntax is unclear to me. For example, the following code fails to compile with g++ 4.4.1: template <template<class> class... Mixins> class Host : public Mixins<Host<Mixins>>... { public: template <class... Args> Host(Args&&... args) : Mixins<Host>(std::forward<Args>(args))... {} }; template <class Host> struct Mix1 {}; template <class Host> struct Mix2 {}; typedef Host<Mix1, Mix2> TopHost; TopHost *th = new TopHost(Mix1<TopHost>(), Mix2<TopHost>()); With the error: tst.cpp: In constructor ‘Host<Mixins>::Host(Args&& ...) [with Args = Mix1<Host<Mix1, Mix2> >, Mix2<Host<Mix1, Mix2> >, Mixins = Mix1, Mix2]’: tst.cpp:33: instantiated from here tst.cpp:18: error: type ‘Mix1<Host<Mix1, Mix2> >’ is not a direct base of ‘Host<Mix1, Mix2>’ tst.cpp:18: error: type ‘Mix2<Host<Mix1, Mix2> >’ is not a direct base of ‘Host<Mix1, Mix2>’ Does anyone have successful experience mixing variadic templates with CRTP?

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Friends, templates, overloading <<

- by Crystal

I'm trying to use friend functions to overload << and templates to get familiar with templates. I do not know what these compile errors are: Point.cpp:11: error: shadows template parm 'class T' Point.cpp:12: error: declaration of 'const Point<T>& T' for this file #include "Point.h" template <class T> Point<T>::Point() : xCoordinate(0), yCoordinate(0) {} template <class T> Point<T>::Point(T xCoordinate, T yCoordinate) : xCoordinate(xCoordinate), yCoordinate(yCoordinate) {} template <class T> std::ostream &operator<<(std::ostream &out, const Point<T> &T) { std::cout << "(" << T.xCoordinate << ", " << T.yCoordinate << ")"; return out; } My header looks like: #ifndef POINT_H #define POINT_H #include <iostream> template <class T> class Point { public: Point(); Point(T xCoordinate, T yCoordinate); friend std::ostream &operator<<(std::ostream &out, const Point<T> &T); private: T xCoordinate; T yCoordinate; }; #endif My header also gives the warning: Point.h:12: warning: friend declaration 'std::ostream& operator<<(std::ostream&, const Point<T>&)' declares a non-template function Which I was also unsure why. Any thoughts? Thanks.

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Joomla Site Templates: Architecture Advise

- by Vincent

Our client provided us with html templates to turn into a Joomla template, problem is their designs are not Joomla Template friendly where a lot of the html design are not consistent with structure. Currently the only solution we have is applying a template structure pattern that fits the most amount of their design and have seperate joomla templates to take care of the ones that doesn't fit. We have the generic Joomla Template configured with different positions for each div and assign each article to its respective position in the template. Some articles though have menu modules within them so our solution is to split the article into two position and define positions for each menu module. Is this method better than defining module positions within an article content to render menus within an article? Is there a better way of showing articles in specific div positions than having each article be represented by a module to render in a specific div (position) in a template? Right now our current way of rendering an article(s) content to a specific position is to create a module (moduleAsArticle) and define that module a position. Create An Article - Assign A Module To It (moduleAsArticle) - Define that module a position

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How do I correctly Re-render a Recaptcha in ASP.NET MVC 2 after an AJAX POST

- by Eoin Campbell

Ok... I've downloaded and implemented this Recaptcha implementation for MVC which uses the ModelState to confirm the validity of the captcha control. It works brilliantly... except when I start to use it in an AJAX Form. In a nutshell, when a div is re-rendered with AJAX, the ReCaptcha that it should contain does not appear, even though the relevant <scripts> are in the source after the partial render. Code Below. using (Ajax.BeginForm("CreateComment", "Blog", new AjaxOptions() { HttpMethod = "POST", UpdateTargetId = "CommentAdd", OnComplete="ReloadRecaptcha", OnSuccess = "ShowComment", OnFailure = "ShowComment", OnBegin = "HideComment" })) {%> <fieldset class="comment"> <legend>Add New Comment</legend> <%= Html.ValidationSummary()%> <table class="postdetails"> <tbody> <tr> <td rowspan="3" id="blahCaptcha"> <%= Html.CreateRecaptcha("recaptcha", "blackglass") %> </td> .... Remainder of Form Omitted for Brevity I've confirmed the Form is perfectly functional when the Recaptcha Control is not present and the Javascript calls in the AjaxOptions are all working fine. The problem is that if the ModelState is Invalid as a result of the Recaptcha or some other validation, then the ActionResult returns the View to reshow the form. [RecaptchaFilter(IgnoreOnMobile = true)] [HttpPost] public ActionResult CreateComment(Comment c) { if (ModelState.IsValid) { try { //Code to insert Comment To DB return Content("Thank You"); } catch { ModelState.AddRuleViolations(c.GetRuleViolations()); } } else { ModelState.AddRuleViolations(c.GetRuleViolations()); } return View("CreateComment", c); } When it's InValid and the form posts back, for some reason the ReCaptcha Control does not re-render. I've checked the source and the <script> & <noscript> blocks are present in the HTML so the HTML Helper function below is obviously working <%= Html.CreateRecaptcha("recaptcha", "blackglass") %> I assume this has something to do with scripts injected into the DOM by AJAX are not re-executed. As you can see from the HTML snippet above, I've tried to add an OnComplete= javascript function to re-create the Captcha on the client side, but although the script executes with no errors, it doesn't work. OnComplete Function is. function ReloadRecaptcha() { Recaptcha.create("my-pub-key", 'blahCaptcha', { //blahCaptcha is the ID of the <td> where the ReCaptcha should go. theme: 'blackglass' }); } Can anyone shed any light on this ? Thanks, Eoin C

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Custom property editors do not work for request parameters in Spring MVC?

- by dvd

Hello, I'm trying to create a multiaction web controller using Spring annotations. This controller will be responsible for adding and removing user profiles and preparing reference data for the jsp page. @Controller public class ManageProfilesController { @InitBinder public void initBinder(WebDataBinder binder) { binder.registerCustomEditor(UserAccount.class,"account", new UserAccountPropertyEditor(userManager)); binder.registerCustomEditor(Profile.class, "profile", new ProfilePropertyEditor(profileManager)); logger.info("Editors registered"); } @RequestMapping("remove") public void up( @RequestParam("account") UserAccount account, @RequestParam("profile") Profile profile) { ... } @RequestMapping("") public ModelAndView defaultView(@RequestParam("account") UserAccount account) { logger.info("Default view handling"); ModelAndView mav = new ModelAndView(); logger.info(account.getLogin()); mav.addObject("account", account); mav.addObject("profiles", profileManager.getProfiles()); mav.setViewName(view); return mav; } ... } Here is the part of my webContext.xml file: <context:component-scan base-package="ru.mirea.rea.webapp.controllers" /> <context:annotation-config/> <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <value> ... /home/users/manageProfiles=users.manageProfilesController </value> </property> </bean> <bean id="users.manageProfilesController" class="ru.mirea.rea.webapp.controllers.users.ManageProfilesController"> <property name="view" value="home\users\manageProfiles"/> </bean> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /> However, when i open the mapped url, i get exception: java.lang.IllegalArgumentException: Cannot convert value of type [java.lang.String] to required type [ru.mirea.rea.model.UserAccount]: no matching editors or conversion strategy found I use spring 2.5.6 and plan to move to the Spring 3.0 in some not very distant future. However, according to this JIRA https://jira.springsource.org/browse/SPR-4182 it should be possible already in spring 2.5.1. The debug shows that the InitBinder method is correctly called. What am i doing wrong?

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Uses of a C++ Arithmetic Promotion Header

- by OlduvaiHand

I've been playing around with a set of templates for determining the correct promotion type given two primitive types in C++. The idea is that if you define a custom numeric template, you could use these to determine the return type of, say, the operator+ function based on the class passed to the templates. For example: // Custom numeric class template <class T> struct Complex { Complex(T real, T imag) : r(real), i(imag) {} T r, i; // Other implementation stuff }; // Generic arithmetic promotion template template <class T, class U> struct ArithmeticPromotion { typedef typename X type; // I realize this is incorrect, but the point is it would // figure out what X would be via trait testing, etc }; // Specialization of arithmetic promotion template template <> class ArithmeticPromotion<long long, unsigned long> { typedef typename unsigned long long type; } // Arithmetic promotion template actually being used template <class T, class U> Complex<typename ArithmeticPromotion<T, U>::type> operator+ (Complex<T>& lhs, Complex<U>& rhs) { return Complex<typename ArithmeticPromotion<T, U>::type>(lhs.r + rhs.r, lhs.i + rhs.i); } If you use these promotion templates, you can more or less treat your user defined types as if they're primitives with the same promotion rules being applied to them. So, I guess the question I have is would this be something that could be useful? And if so, what sorts of common tasks would you want templated out for ease of use? I'm working on the assumption that just having the promotion templates alone would be insufficient for practical adoption. Incidentally, Boost has something similar in its math/tools/promotion header, but it's really more for getting values ready to be passed to the standard C math functions (that expect either 2 ints or 2 doubles) and bypasses all of the integral types. Is something that simple preferable to having complete control over how your objects are being converted? TL;DR: What sorts of helper templates would you expect to find in an arithmetic promotion header beyond the machinery that does the promotion itself?

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ASP.NET MVC: How to display strongly typed view model, containing list of items, which also contain

- by Sam Delaney

Hi, I'm building an app using ASP.NET MVC which I want to use a strongly type view model, which contains a List called items which contains an id int and itemName string. The view model also conatins a List called people, and the Person class contains a List. The way I want to display the information is as a table, with each row having a column of Person name, then n number of columns which contain checkboxes, one for each of the List, and checked based on whether the Person's List (called items) contains the id of the Item. I have the display working fine, but I'm struggling to understand how to name the items so that the posted method can read the data. This is what I have in the BeginForm: <table cellpadding="20"> <thead> <th>Person name</th>  <% foreach( var i in Model.items ) { %> <th><%= Html.Encode(i.itemName) %></th> <% } %> </thead> <% foreach( var p in Model.people ) { %> <tr> <td><%= Html.Encode(p.name) %></td>  <% foreach( var i in Model.items ) { %> <td> <% if( p.items.Contains(i.id) ) { %>  <%= Html.CheckBox( "vm.people[" + p.id + "].items[" + i.id + "]", true ) %> <% } else { %> <%= Html.CheckBox( "vm.people[" + p.id + "].items[" + i.id + "]", false ) %> <% } %> </td> <% } %> </tr> <% } %> </table> And this code displays the information perfectly. When I click submit, however, I get an Object Reference Not Set.. error message. Can anyone help with this please?

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How to replace all id attributes of a child collection of complex types using jQuery in ASP.net MVC

- by TJB

Here's my situation: I'm writing an ASP.net MVC 1 website and I have a create/edit form that uses the default model binding to parse the form into a strongly typed complex object. The object I'm posting has a child collection of another complex type and the way I format my id's for the model binder is as follows: <div class="childContainer" >  <%= Html.TextBox("ChildCollectionName[0].ChildPropertyName", /* blah blah */ ) %> <%= Html.TextBox("ChildCollectionName[0].OtherChildPropertyName", /* blah blah */ ) %>  </div> This gets rendered as <div class="childContainer" > <input id="ChildCollectionName[0]_ChildPropertyName" ... /> <input id="ChildCollectionName[0]_OtherChildPropertyName" ... /> ... </div> <div class="childContainer" > <input id="ChildCollectionName[1]_ChildPropertyName" ... /> <input id="ChildCollectionName[1]_OtherChildPropertyName" ... /> ... </div> For each entry in the chlid collection. This collection is dynamically created in the form using jQuery, so entries can be added, removed etc. and whenever there's an operation on the collection I need to update the indexes so that it's bound correctly on the server side. What's the best way to replace all the html input id's when I'm updating the index within the child e.g. replace all [*] -- [N] where N is the correct index. using jQuery / JavaScript ? I have something coded now, but its buggy and I think there is a simpler solution. Also, if you have an easier way to identify the child collection I'll take any advice on that as well. Thanx!

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MVC Entity Framework: Cannot open user default database. Login failed.

- by Michael

This type of stuff drives me nuts. I'm having trouble finding the exact issue that I'm having, maybe I just don't know the terminology. Anyway, I had a working website using MVC and Entity Framework, but then I coded an error in a partial view page (ascx). Then all of a sudden I started to get this message. Cannot open user default database. Login failed. Login failed for user 'NT AUTHORITY\SYSTEM' I've found plenty of suggestions about opening SQL Server Management Studio, Double Click on Security, Double Click on Logins, Double click on NT AUTHORITY\SYSTEM and then double click on User Mapping. In this view I'm suppose to check the box for my database so that this user is mapped to this login. However, since I created my database in Visio Studio 2008 as part of my solution, it doesn't show up to allow me to click on it. So what do I do now? What drives me nuts is that everything was working fine. I was using my computer name to access the website and everything was working fine until the coding error. I've fix the error but still getting the error. I should also mention that this error started yesterday too around the same time but later cleared itself up. If I use localhost to access the site, it works just fine. IIS7 configuration for my website: Application Pool = DefaultAppPool Physical Path Credentials Logon = ClearText With in connection strings. I do see the one for my database in this solution. Entry Type is local metadata=res://*/Models.DataModel.csdl|res://*/Models.DataModel.ssdl|res://*/Models.DataModel.msl; provider=System.Data.SqlClient; provider connection string="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\FFBall.mdf;Integrated Security=True;User Instance=True;MultipleActiveResultSets=True" And somewhere I remember changing the identity from Network Service to LocalSystem. Because when I first stared I was getting this same message, but I changed this value and it started working. I saw that suggested somewhere too but I do not recall. Wait I remember now, I believe in IIS7, under Application Pools, DefaultAppPool identity is set to LocalSystem. Additional things I've tried. Restart the computer Recycle the application pool. Antivirus isn't running. Any help would be appreciated. Thank you in advance.

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ASP.NET MVC 4/Web API Single Page App for Mobile Devices ... Needs Authentication

- by lmttag

We have developed an ASP.NET MVC 4/Web API single page, mobile website (also using jQuery Mobile) that is intended to be accessed only from mobile devices (e.g., iPads, iPhones, Android tables and phones, etc.), not desktop browsers. This mobile website will be hosted internally, like an intranet site. However, since we’re accessing it from mobile devices, we can’t use Windows authentication. We still need to know which user (and their role) is logging in to the mobile website app. We tried simply using ASP.NET’s forms authentication and membership provider, but couldn’t get it working exactly the way we wanted. What we need is for the user to be prompted for a user name and password only on the first time they access the site on their mobile device. After they enter a correct user name and password and have been authenticated once, each subsequent time they access the site they should just go right in. They shouldn’t have to re-enter their credentials (i.e., something needs to be saved locally to each device to identify the user after the first time). This is where we had troubles. Everything worked as expected the first time. That is, the user was prompted to enter a user name and password, and, after doing that, was authenticated and allowed into the site. The problem is every time after the browser was closed on the mobile device, the device and user were not know and the user had to re-enter user name and password. We tried lots of things too. We tried setting persistent cookies in JavaScript. No good. The cookies weren’t there to be read the second time. We tried manually setting persistent cookies from ASP.NET. No good. We, of course, used FormsAuthentication.SetAuthCookie(model.UserName, true); as part of the form authentication framework. No good. We tried using HTML5 local storage. No good. No matter what we tried, if the user was on a mobile device, they would have to log in every single time. (Note: we’ve tried on an iPad and iPhone running both iOS 5.1 and 6.0, with Safari configure to allow cookies, and we’ve tried on Android 2.3.4.) Is there some trick to getting a scenario like this working? Or, do we have to write some sort of custom authentication mechanism? If so, how? And, what? Or, should we use something like claims-based authentication and WIF? Or??? Any help is appreciated. Thanks!

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Zend Framework-where should this root.php file go for MVC?

- by Joel

Hi guys, I'm converting over a web-app to use the MVC structure of Zend Framework. I have a root.php include file that contains most of the database info, and some static variables that are used in the program. I'm not sure if some of this should be in the application.ini of in a model that is called by the init() function in a controller, or in the bootstrap or what? Any help would be much appreciated! root.php (include file at the top of every php page): <?php /*** //Configuration file */ ## Site Configuration starts ## define("SITE_ROOT" , dirname(__FILE__)); define("SITE_URL" , "http://localhost/monkeycalendarapp/monkeycalendarapp/public"); define('DB_HOST', "localhost"); define('DB_USER', "root"); define('DB_PASS', "xxx"); define('DB_NAME', "xxxxx"); define("PROJECT_NAME" , "Monkey Mind Manager (beta 2.2)"); //site title define("CALENDAR_WIDTH" , "300"); //left mini calendar width define("CALENDAR_HEIGHT" , "150"); //left mini calendar height $page_title = 'Event List'; $stylesheet_name = 'style.css'; //default stylesheet define("SITE_URL_AJAX" , SITE_URL . "/ajax-tooltip"); define("JQUERY" , SITE_URL . "/jquery-ui-1.7.2"); $a_times = array("12:00","12:30","01:00","01:30","02:00","02:30","03:00","03:30","04:00","04:30","05:00","05:30","06:00","06:30","07:00","07:30","08:00","08:30","09:00","09:30","10:00","10:30","11:00","11:30"); //PTLType Promotional timeline type $a_ptlType= array(1=>"Gigs","To-Do","Completed"); $a_days = array("Su","Mo","Tu","We","Th","Fr","Sa"); $a_timesMerd = array("12:00am","12:30am","01:00am","01:30am","02:00am","02:30am","03:00am","03:30am","04:00am","04:30am","05:00am","05:30am","06:00am","06:30am","07:00am","07:30am","08:00am","08:30am","09:00am","09:30am","10:00am","10:30am","11:00am","11:30am","12:00pm","12:30pm","01:00pm","01:30pm","02:00pm","02:30pm","03:00pm","03:30pm","04:00pm","04:30pm","05:00pm","05:30pm","06:00pm","06:30pm","07:00pm","07:30pm","08:00pm","08:30pm","09:00pm","09:30pm","10:00pm","10:30pm","11:00pm","11:30pm"); //Setting stylesheet for this user. $AMPM=array("am"=>"am","pm"=>"pm"); include(SITE_ROOT . "/includes/functions/general.php"); include(SITE_ROOT . "/includes/db.php"); session_start(); if(isset($_SESSION['userData']['UserID'])) { $s_userID = $_SESSION['userData']['UserID']; } $stylesheet_name = stylesheet(); ini_set('date.timezone', 'GMT'); date_default_timezone_set('GMT'); if($s_userID) { ini_set('date.timezone', $_SESSION['userData']['timezone']); date_default_timezone_set($_SESSION['userData']['timezone']); } ?>

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ASP.Net MVC + Live validation - how come the flagged text are all over the place?

- by melaos

hi guys, this is an asp.net mvc project and <% using (Html.BeginForm("ProductAdded", "Home")) { % Register Your Product <%= ViewData["MainHeader"]% <p><%=ViewData["IntroText"]%></p> <div style="display: none;"> <div id="regionThreePane"> <table border="0" cellpadding="0" cellspacing="0" frame="void" style="width: 100%"> <tr> <td width='250px'><select name="ProdLBox1" id="ProdLBox1" class="ProdLBox1" size="8"></select></td> <td width='250px'><select name="ProdLBox2" id="ProdLBox2" class="ProdLBox2" size="8"></select></td> <td width='250px'><select name="ProdLBox3" id="ProdLBox3" class="ProdLBox3" size="8"></select></td> </tr> </table> </div> i'm using live validation for my client side validation. var v_fname = new LiveValidation('Customer_FirstName', { validMessage: " " }, { onlyOnSubmit: true }); v_fname.add(Validate.Presence, { failureMessage: enterfirstname}); var v_lname = new LiveValidation('Customer_LastName', { validMessage: " " }); v_lname.add(Validate.Presence, { failureMessage: enterlastname }); var v_email = new LiveValidation('Customer_Email', { validMessage: " " }); v_email.add(Validate.Presence, { failureMessage: enteremail, validMessage: " " }); v_email.add(Validate.Email, { failureMessage: entervalidemail}); and what i notice is that after doing some button call: $(".btnAddProduct").click(function() { //Check first to see if there's anything to be added if (parseFloat($(".tboAddProduct").val()) < 1) { //TO DO: to replace with localized text var selectProductError = "Please select a product first"; $("#validationSummary").text(selectProductError); //alert("Please select a product first"); return false; } $(".PanelProductReg").show(); addProductRow($(".tboAddProductId").val(), $("#tboAddProduct").val()); }); what will happen is that the validation tags will start to appear for the whole page for all the input which are tag for the live validation. instead of just appearing when the controls are being higlighted and onblur. i'm using some ajax calls to get data and a lot of jquery to dynamically do the gui stuff. could any of this be causing some sort of an internal conflict? thanks

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New to MVC. Actionscript 3.0 Appreciate your help.

- by Combustion007

Hello Everyone, I am new to design patterns and am trying to learn the MVC implementation. I have written four classes: DataModel DataView DataController Main Main serves as the application facade. The main FLA is called HelloWorld. I have a symbol called "Box" in HelloWorld. I just would like to add an instance of the "Box" on the stage. Eventually I would like to place a button and when the button is clicked, the Box instance color will be changed. I would appreciate any help, please help me figure out what am I doing wrong. Here are my Classes: DATAMODEL CLASS: package { import flash.events.*; public class DataModel extends EventDispatcher { public static const UPDATE:String = "modelUpdate"; private var _color:Number = (Math.round(Math.random()* 0xffffff)); public function DataModel() { trace("DATA MODEL INIT"); } public function get color():Number { return _color; } public function set color(p:Number):void { _color = p; notifyObserver(); } public function notifyObserver():void { dispatchEvent(new Event(DataModel.UPDATE)); } } } //DATACONTROLLER CLASS: package { import flash.events.; import flash.display.; import flash.errors.*; public class DataController { private var _model:DataModel; public function DataController(m:DataModel) { trace("DATACONTROLLER INIT"); _model = m; } } } DATAVIEW CLASS: package { import flash.events.; import flash.display.; import flash.errors.*; public class DataView extends Sprite { private var _model:DataModel; private var _controller:DataController; private var b:Box; public function DataView(m:DataModel, c:DataController) { _model = m; _controller = c; b = new Box(); b.x = b.y = 100; addChild(b); } } } And Finally THE FACADE: package { import flash.display.; import flash.events.; import flash.text.; import flash.errors.; public class Main extends Sprite { private var _model:DataModel; private var _controller:DataController; private var _view:DataView; public function Main(m:DataModel, c:DataController, v:DataView) { _model = m; _controller = c; _view = v; addChild(v); } } } When I test the movie: I get this error: ArgumentError: Error #1063: Argument count mismatch on Main(). Expected 3, got 0. Thanks alot.

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Spring noHandlerFound

- by Justin

I am trying to set up my Spring MVC testing environment. But I always get this noHandlerFound error: Aug 21, 2014 4:43:25 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/restful/firstPage] in DispatcherServlet with name 'spring' Aug 21, 2014 4:47:21 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/restful/firstPage2] in DispatcherServlet with name 'spring' Aug 21, 2014 5:10:27 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/restful/index.html] in DispatcherServlet with name 'spring' I already searched for solution, but none can fix my problem. My spring mvc version: 3.1.3.RELEASE This is my web.xml: <servlet> <servlet-name>spring</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>spring</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <context-param> <param-name>contextConfigLocation</param-name> <param-value> /WEB-INF/applicationContext.xml </param-value> </context-param> this is my spring-servlet.xml: <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" /> this is my applicationContext.xml: <context:annotation-config /> <context:component-scan base-package="test.spring" /> <mvc:annotation-driven /> <mvc:resources mapping="/index.html" location="/index.html" /> <mvc:view-controller path="/firstPage" /> This is my Controller: package test.spring; .... @Controller @RequestMapping("/") public class FirstController { @RequestMapping(value = "firstPage2", method = RequestMethod.GET) public String showFirstPage(Map<String,Object> model){ return "firstPage"; } } My server is tomcat 7, there is no error and warning when it is deployed. I also tried this with no luck: <mvc:default-servlet-handler/> Before I start Spring MVC, I can access index.html

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Deploy ASP.NET Web Applications with Web Deployment Projects

- by Ben Griswold

One may quickly build and deploy an ASP.NET web application via the Publish option in Visual Studio. This option works great for most simple deployment scenarios but it won’t always cut it. Let’s say you need to automate your deployments. Or you have environment-specific configuration settings. Or you need to execute pre/post build operations when you do your builds. If so, you should consider using Web Deployment Projects. The Web Deployment Project type doesn’t come out-of-the-box with Visual Studio 2008. You’ll need to Download Visual Studio® 2008 Web Deployment Projects – RTW and install if you want to follow along with this tutorial. I’ve created a shiny new ASP.NET MVC project. Web Deployment Projects work with websites, web applications and MVC projects so feel free to go with any web project type you’d like. Once your web application is in place, it’s time to add the Web Deployment project. You can hunt and peck around the File > New > New Project… dialogue as long as you’d like, but you aren’t going to find what you need. Instead, select the web project and then choose the “Add Web Deployment Project…” hiding behind the Build menu option. I prefer to name my projects based on the environment in which I plan to deploy. In this case, I’ll be rolling to the QA machine. Don’t expect too much to happen at this point. A seemingly empty project with a funny icon will be added to your solution. That’s it. I want to take a minute and talk about configuration settings before we continue. Some of the common settings which might change from environment to environment are appSettings, connectionStrings and mailSettings. Here’s a look at my updated web.config: <appSettings> <add key="MvcApplication293.Url" value="http://localhost:50596/" /> </appSettings> <connectionStrings> <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient"/> </connectionStrings> <system.net> <mailSettings> <smtp from="[email protected]"> <network host="server.com" userName="username" password="password" port="587" defaultCredentials="false"/> </smtp> </mailSettings> </system.net> I want to update these values prior to deploying to the QA environment. There are variations to this approach, but I like to maintain environment-specific settings for each of the web.config sections in the Config/[Environment] project folders. I’ve provided a screenshot of the QA environment settings below. It may be obvious what one should include in each of the three files. Basically, it is a copy of the associated web.config section with updated setting values. For example, the AppSettings.config file may include a reference to the QA web url, the DB.config would include the QA database server and login information and the StmpSettings.config would include a QA Stmp server and user information. <?xml version="1.0" encoding="utf-8" ?> <appSettings> <add key="MvcApplication293.Url" value="http://qa.MvcApplicatinon293.com/" /> </appSettings> AppSettings.config <?xml version="1.0" encoding="utf-8" ?> <connectionStrings> <add name="ApplicationServices" connectionString="server=QAServer;integrated security=SSPI;database=MvcApplication293" providerName="System.Data.SqlClient"/> </connectionStrings> Db.config <?xml version="1.0" encoding="utf-8" ?> <smtp from="[email protected]"> <network host="qaserver.com" userName="qausername" password="qapassword" port="587" defaultCredentials="false"/> </smtp> SmtpSettings.config I think our web project is ready to deploy. Now, it’s time to concentrate on the Web Deployment Project itself. Right-click on the project file and open the Property Pages. The first thing to call out is the Configuration dropdown. I only deploy a project which is built in Release Mode so I only setup the Web Deployment Project for this mode. (This is when you change the Configuration selection to “Release.”) I typically keep the Output Folder default value – .\Release\. When the application is built, all artifacts will be dropped in the .\Release\ folder relative to the Web Deployment Project root. The final option may be up for some debate. I like to roll out updatable websites so I select the “Allow this precompiled site to be updatable” option. I really do like to follow standard SDLC processes when I release my software but there are those times when you just have to make a hotfix to production and I like to keep this option open if need be. If you are strongly opposed to this idea, please, by all means, don’t check the box. The next tab is boring. I don’t like to deploy a crazy number of DLLs so I merge all outputs to a single assembly. Again, you may have another option and feel free to change this selection if you so wish. If you follow my lead, take care when choosing a single assembly name. The Assembly Name can not be the same as the website or any other project in your solution otherwise you’ll receive a circular reference build error. In other words, I can’t name the assembly MvcApplication293 or my output window would start yelling at me. Remember when we called out our QA configuration files? Click on the Deployment tab and you’ll see how where going to use them. Notice the Web.config file section replacements value. All this does is swap called out web.config sections with the content of the Config\QA\* files. You can reduce or extend this list as you deem fit. Did you see the “Use external configuration source file” option? You know how you can point any of your web.config sections to an external file via the configSource attribute? This option allows you to leverage that technique and instead of replacing the content of the sections, you will replace the configSource attribute value instead. <appSettings configSource="Config\QA\AppSettings.config" /> Go ahead and Apply your changes. I’d like to take a look at the project file we just updated. Right-click on the Web Deployment Project and select “Open Project File.” One of the first configuration blocks reflects core Release build settings. There are a couple of points I’d like to call out here: DebugSymbols=false ensures the compilation debug attribute in your web.config is flipped to false as part of build process. There’s some crumby (more likely old) documentation which implies you need a ToggleDebugCompilation task to make this happen. Nope. Just make sure the DebugSymbols is set to false. EnableUpdateable implies a single dll for the web application rather than a dll for each object and and empty view file. I think updatable applications are cleaner and include the benefit (or risk based on your perspective) that portions of the application can be updated directly on the server. I called this out earlier but I wanted to reiterate. <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugSymbols>false</DebugSymbols> <OutputPath>.\Release</OutputPath> <EnableUpdateable>true</EnableUpdateable> <UseMerge>true</UseMerge> <SingleAssemblyName>MvcApplication293</SingleAssemblyName> <DeleteAppCodeCompiledFiles>true</DeleteAppCodeCompiledFiles> <UseWebConfigReplacement>true</UseWebConfigReplacement> <ValidateWebConfigReplacement>true</ValidateWebConfigReplacement> <DeleteAppDataFolder>true</DeleteAppDataFolder> </PropertyGroup> The next section is self-explanatory. The content merely reflects the replacement value you provided via the Property Pages. <ItemGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'"> <WebConfigReplacementFiles Include="Config\QA\AppSettings.config"> <Section>appSettings</Section> </WebConfigReplacementFiles> <WebConfigReplacementFiles Include="Config\QA\Db.config"> <Section>connectionStrings</Section> </WebConfigReplacementFiles> <WebConfigReplacementFiles Include="Config\QA\SmtpSettings.config"> <Section>system.net/mailSettings/smtp</Section> </WebConfigReplacementFiles> </ItemGroup> You’ll want to extend the ItemGroup section to include the files you wish to exclude from the build. The sample ExcludeFromBuild nodes exclude all obj, svn, csproj, user, pdb artifacts from the build. Enough though they files aren’t included in your web project, you’ll need to exclude them or they’ll show up along with required deployment artifacts. <ItemGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'"> <WebConfigReplacementFiles Include="Config\QA\AppSettings.config"> <Section>appSettings</Section> </WebConfigReplacementFiles> <WebConfigReplacementFiles Include="Config\QA\Db.config"> <Section>connectionStrings</Section> </WebConfigReplacementFiles> <WebConfigReplacementFiles Include="Config\QA\SmtpSettings.config"> <Section>system.net/mailSettings/smtp</Section> </WebConfigReplacementFiles> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\obj\**\*.*" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\**\.svn\**\*.*" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\**\.svn\**\*" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\**\*.csproj" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\**\*.user" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\bin\*.pdb" /> <ExcludeFromBuild Include="$(SourceWebPhysicalPath)\Notes.txt" /> </ItemGroup> Pre/post build and Pre/post merge tasks are added to the final code block. By default, your project file should look like the following – a completely commented out section. <!– To modify your build process, add your task inside one of the targets below and uncomment it. Other similar extension points exist, see Microsoft.WebDeployment.targets. <Target Name="BeforeBuild"> </Target> <Target Name="BeforeMerge"> </Target> <Target Name="AfterMerge"> </Target> <Target Name="AfterBuild"> </Target> –> Update the section to remove all temporary Config folders and files after the build. <!– To modify your build process, add your task inside one of the targets below and uncomment it. Other similar extension points exist, see Microsoft.WebDeployment.targets. <Target Name="BeforeMerge"> </Target> <Target Name="AfterMerge"> </Target> <Target Name="BeforeBuild"> </Target> –> <Target Name="AfterBuild"> <!– WebConfigReplacement requires the Config files. Remove after build. –> <RemoveDir Directories="$(OutputPath)\Config" /> </Target> That’s it for setup. Save the project file, flip the solution to Release Mode and build. If there’s an issue, consult the Output window for details. If all went well, you will find your deployment artifacts in your Web Deployment Project folder like so. Both the code source and published application will be there. Inside the Release folder you will find your “published files” and you’ll notice the Config folder is no where to be found. In the Source folder, all project files are found with the exception of the items which were excluded from the build. I’ll wrap up this tutorial by calling out a little Web Deployment pet peeve of mine: there doesn’t appear to be a way to add an existing web deployment project to a solution. The best I can come up with is create a new web deployment project and then copy and paste the contents of the existing project file into the new project file. It’s not a big deal but it bugs me. Download the Solution

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Setting up Visual Studio 2010 to step into Microsoft .NET Source Code

- by rajbk

Using the Microsoft Symbol Server to obtain symbol debugging information is now much easier in VS 2010. Microsoft gives you access to their internet symbol server that contains symbol files for most of the .NET framework including the recently announced availability of MVC 2 Symbols. SETUP In VS 2010 RTM, go to Tools –> Options –> Debugging –> General. Check “Enable .NET Framework source stepping” We get the following dialog box This automatically disables “Enable My Code” Go to Debugging –> Symbols and Check “Microsoft Symbol Servers”. You can selectively exclude modules if you want to. You will get a warning dialog like so: Hitting OK will start the download process The setup is complete. You are now ready to start debugging! DEBUGGING Add a break point to your application and run the application in debug mode (F5 shortcut for me). Go to your call stack when you hit the break point. Right click on a frame that is grayed out. Select “Load Symbols from” “Microsoft Symbol Servers”. VS will begin a one time download of that assembly. This assembly will be cached locally so you don’t have to wait for the download the next time you debug the app. We get a one time license agreement dialog box You might see an error like the one below regarding different encoding (hopefully will be fixed). Assemblies for which the symbols have been loaded are no longer grayed out. Double clicking on any entry in the call stack should now directly take you to the source code for that assembly. AFAIK, not all symbols are available on the MS symbol server. In cases like that you will see a tab like the one below and be given the option to “Show Disassembly”. Enjoy! Newsreel Announcer: Humiliated, Muntz vows a return to Paradise Falls and promises to capture the beast alive! Charles Muntz: [speaking to a large audience outside in the newsreel] I promise to capture the beast alive, and I will not come back until I do!

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Question on design of current pagination implementations

- by Freshblood

I have checked pagination implementations on asp.net mvc specifically and i really feel that there is something less efficient in implementations. First of all all implementations use pagination values like below. public ActionResult MostPopulars(int pageIndex,int pageSize) { } The thing that i feel wrong is pageIndex and pageSize totally should be member of Pagination class otherwise this way looks so much functional way. Also it simplify unnecesary paramater pass in tiers of application. Second thing is that they use below interface. public interface IPagedList<T> : IList<T> { int PageCount { get; } int TotalItemCount { get; } int PageIndex { get; } int PageNumber { get; } int PageSize { get; } bool HasPreviousPage { get; } bool HasNextPage { get; } bool IsFirstPage { get; } bool IsLastPage { get; } } If i want to routing my pagination to different action so i have to create new view model for encapsulate action name in it or even controller name. Another solution can be that sending this interfaced model to view then specify action and controller hard coded in pager method as parameter but i am losing totally re-usability of my view because it is strictly depends on just one action. Another thing is that they use below code in view Html.Pager(Model.PageSize, Model.PageNumber, Model.TotalItemCount) If the model is IPagedList why they don't provide an overload method like @Html.Pager(Model) or even better one is @Html.Pager(). You know that we know model type in this way. Before i was doing mistake because i was using Model.PageIndex instead of Model.PageNumber. Another big issue is they strongly rely on IQueryable interface. How they know that i use IQueryable in my data layer ? I would expected that they work simply with collections that is keep pagination implementation persistence ignorant. What is wrong about my improvement ideas over their pagination implementations ? What is their reason to not implement their paginations in this way ?

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Wrapping REST based Web Service

- by PaulPerry

I am designing a system that will be running online under Microsoft Windows Azure. One component is a REST based web service which will really be a wrapper (using proxy pattern) which calls the REST web services of a business partner, which has to do with BLOB storage (note: we are not using azure storage). The majority of the functionality will be taking a request, calling our partner web service, receiving the request and then passing that back to the client. There are a number of reasons for doing this, but one of the big ones is that we are going to support three clients: our desktop application (win and mac), mobile apps (iOS), and a web front end. Having a single API which we then send to our partner protects us if that partner ever changes. I want our service to support both JSON and XML for the data transfer format, JSON for web and probably XML for the desktop and mobile (we already have an XML parser in those products). Our partner also supports both of these formats. I was planning on using ASP.NET MVC 4 with the Web API. As I design this, the thing that concerns me is the static type checking of C#. What if the partner adds or removes elements from the data? We can probably defensively code for that, but I still feel some concern. Also, we have to do a fair amount of tedious coding, to setup our API and then to turn around and call our partner’s API. There probably is not much choice on it though. But, in the back of my mind I wonder if maybe a more dynamic language would be a better choice. I want to reach out and see if anybody has had to do this before, what technology solutions they have used to (I am not attached to this one, these days Azure can host other technologies), and if anybody who has done something like this can point out any issues that came up. Thanks! Researching the issue seems to only find solutions which focus on connecting a SOAP web service over a proxy server, and not what I am referring to here. Note: Cross posted (by suggestion) from http://stackoverflow.com/questions/11906802/wrapping-rest-based-web-service Thank you!

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Are there any concerns with using a static read-only unit of work so that it behaves like a cache?

- by Rowan Freeman

Related question: How do I cache data that rarely changes? I'm making an ASP.NET MVC4 application. On every request the security details about the user will need to be checked with the area/controller/action that they are accessing to see if they are allowed to view it. The security information is stored in the database. For example: User Permission UserPermission Action ActionPermission A "Permission" is a token that is applied to an MVC action to indicate that the token is required in order to access the action. Once a user is given the permission (via the UserPermission table) then they have the token and can therefore access the action. I've been looking in to how to cache this data (since it rarely changes) so that I'm only querying in-memory data and not hitting a database (which is a considerable performance hit at the moment). I've tried storing things in lists, using a caching provider but I either run in to problems or performance doesn't improve. One problem that I constantly run in to is that I'm using lazy loading and dynamic proxies with EntityFramework. This means that even if I ToList() everything and store them somewhere static, the relationships are never populated. For example, User.Permissions is an ICollection but it's always null. I don't want to Include() everything because I'm trying to keep things simple and generic (and easy to modify). One thing I know is that an EntityFramework DbContext is a unit of work that acts with 1st-level caching. That is, for the duration of the unit of work, everything that is accessed is cached in memory. I want to create a read-only DbContext that will exist indefinitely and will only be used to read about permission data. Upon testing this it worked perfectly; my page load times went from 200ms+ to 20ms. I can easily force the data to refresh at certain intervals or simply leave it to refresh when the application pool is recycled. Basically it will behave like a cache. Note that the rest of the application will interact with other contexts that exist per request as normal. Is there any disadvantage to this approach? Could I be doing something different?

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Architecture or Pattern for handling properties with custom setter/getter?

- by Shelby115

Current Situation: I'm doing a simple MVC site for keeping journals as a personal project. My concern is I'm trying to keep the interaction between the pages and the classes simplistic. Where I run into issues is the password field. My setter encrypts the password, so the getter retrieves the encrypted password. public class JournalBook { private IEncryptor _encryptor { get; set; } private String _password { get; set; } public Int32 id { get; set; } public String name { get; set; } public String description { get; set; } public String password { get { return this._password; } set { this.setPassword(this._password, value, value); } } public List<Journal> journals { get; set; } public DateTime created { get; set; } public DateTime lastModified { get; set; } public Boolean passwordProtected { get { return this.password != null && this.password != String.Empty; } } ... } I'm currently using model-binding to submit changes or create new JournalBooks (like below). The problem arises that in the code below book.password is always null, I'm pretty sure this is because of the custom setter. [HttpPost] public ActionResult Create(JournalBook book) { // Create the JournalBook if not null. if (book != null) this.JournalBooks.Add(book); return RedirectToAction("Index"); } Question(s): Should I be handling this not in the property's getter/setter? Is there a pattern or architecture that allows for model-binding or another simple method when properties need to have custom getters/setters to manipulate the data? To summarize, how can I handle the password storing with encryption such that I have the following, Robust architecture I don't store the password as plaintext. Submitting a new or modified JournalBook is as easy as default model-binding (or close to it).

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The model item passed into the dictionary is of type ‘mvc.Models.ModelA’ but this dictionary require

- by Malcolm Frexner

I have this annoying mistake in some of my builds. There is no error in the project, because if I build again, then the problem disappears. The message only appears, when the site is deployed to a Windows 2008 Server. I first thought that it might be an issue with temporary files, but thats not the case. I deployed the build to a different web and the error still appears. The error appears on random actions of the site. Most of the time builds are ok, but each 3rd or 4th build produces runtime errors. I build using a WebdeploymentProject in release mode. Views are precompiled. It's not http://stackoverflow.com/questions/178194/in-asp-net-mvc-i-encounter-an-incorrect-type-error-when-rendering-a-page-with-the, because views have totally different names. How I can debug this problem or how I can get help for this? Here is my WebDeploymentProject  <Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>9.0.21022</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{E5E14CEB-0BCD-4203-9A5A-34ABA9C717EA}</ProjectGuid> <SourceWebPhysicalPath>..\B2CWeb</SourceWebPhysicalPath> <SourceWebProject>{3E632DB6-6DB3-4BD0-8CCA-12DE67165B48}|B2CWeb\B2CWeb.csproj</SourceWebProject> <SourceWebVirtualPath>/B2CWeb.csproj</SourceWebVirtualPath> <TargetFrameworkVersion>v3.5</TargetFrameworkVersion> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <OutputPath>.\Debug</OutputPath> <EnableUpdateable>false</EnableUpdateable> <UseMerge>true</UseMerge> <SingleAssemblyName>B2CWeb_Build</SingleAssemblyName> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugSymbols>false</DebugSymbols> <OutputPath>..\B2CWeb_Deploy\</OutputPath> <EnableUpdateable>false</EnableUpdateable> <UseMerge>true</UseMerge> <SingleAssemblyName>B2C_Web</SingleAssemblyName> <ContentAssemblyName> </ContentAssemblyName> <DeleteAppCodeCompiledFiles>false</DeleteAppCodeCompiledFiles> </PropertyGroup> <ItemGroup> </ItemGroup> <Import Project="$(MSBuildExtensionsPath)\Microsoft\WebDeployment\v9.0\Microsoft.WebDeployment.targets" />  </Project>

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