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• Setting a property in XAML for a User Control

  - by Ben

  Hi, I have a user control that has a property of type Integer, that i am trying to set in the XAML Template to be that of a property within the bindingsource. If I set the property using a hard coded integer i.e. <MyControl MyIntegerProperty="3" /> This works fine, but if i try <MyControl MyIntegerProperty="{Binding MyDataContextIntegerProperty}" /> it fails. I know that the integer property on MyDataContext is returning a valid integer, and i know that this format works, as directly above this in the template, i have the line <TextBlock Text="{Binding MyDataContextStringProperty}" /> which works correctly. Is there any flag that i need to set on my User Controls Integer property to allow this to work? Or am i doing something else wrong? Thanks

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• ASP.NET Server.Execute

  - by justin

  I'm having some problems with Server.Execute that I can't seem to find any details on. Page page = new WidgetProcessor(Widget); Server.Execute(page, htmlTextWriter, true); The Widget in the above code is a simple object that knows how to instantiate a usercontrol. The WidgetProcessor takes a Widget and adds the widgets control to the page. This works fine on the initial load, it doesn't seem to handle postbacks however; it never actually fires the user controls events, it just consistently returns the original page as if you had never posted back. I've found this article from 2003: http://support.microsoft.com/kb/817036, though I would think they would have fixed this by now. Any help would be appreciated.

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• How to Deal with SET ANSI_NULLS ON or OFF ?

  - by Shantanu Gupta

  I want to call this procedure that sends one value that can be NULL or any int value. SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId =@SubDomainId I simply want to use this single query rather than what i m doing right now in below given code. I searched for this how could i do this then i got this Link. According to this I have to set ANSI_NULLS OFF I am not able to set this inside this procedure before executing my sql query and then reset it again after doing this. ALTER PROCEDURE [Tags].[spOnlineTest_SubDomainSelect] @SubDomainId INT AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; -- Insert statements for procedure here IF @SubDomainId IS NULL SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId IS NULL ELSE SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId =@SubDomainId END What will be the better practice to do deal with ANSI_NULLS or Using If Else

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• Prevent Erroneous Property Assignment

  - by Gordon

  Porting android applications to iphone applications always gives me the following pattern that I accidentally create: - (void) myFunc:(id)prop { self.property = property; } Which instead should be: - (void) myFunc:(id)prop { self.property = prop; } This always causes my program to quietly break because property gets reset to its existing value rather than being set to the new value, 'prop'. I cannot name the parameter 'prop' to 'property' since the compile complains that the parameter masks the instance variables visibility. Is there a good way to avoid this situation? There are no compiler warnings. Is there a way to make xcode prevent this? I cannot see very many situations where you would set a property to the value of its underlying instance variable (maybe to trigger a KVO binding?), but I don't see myself doing that in majority of cases. I understand the above code is synthetic and should be done with @synthesize, but I am just using it as a simplified example to illustrate my point.

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• How to change the looks or improve the looks of the VB.NET application?

  - by Nitz

  Hey Guys We are very much bored with use of very powerful but very dirty looks of VB.Net Controls. We made application in VB.NET 2005. Now we want to change the look and filed of the application. we had tried to change with by changing colors and font but it still looks like very dirty. So how we change that, I had heard about WPF but never had used it. what you recommended me to change the look and field of the application. Dirty means, very old style. [ for me ]

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• ViewState Vs Session ... maintaining object through page lifecycle

  - by Kyle

  Can someone please explain the difference between ViewState and Session? More specifically, I'd like to know the best way to keep an object available (continuously setting members through postbacks) throughout the lifecycle of my page. I currently use Sessions to do this, but I'm not sure if it's the best way. For example: SearchObject searchObject; protected void Page_Load(object sender, EventArgs e) { if(!IsPostBack) { searchObject = new SearchObject(); Session["searchObject"] = searchObject; } else { searchObject = (SearchObject)Session["searchObject"]; } } that allows me to use my searchObject anywhere else on my page but it's kind of cumbersome as I have to reset my session var if I change any properties etc. I'm thinking there must be a better way to do this so that .NET doesn't re-instantiate the object each time the page loads, but also puts it in the global scope of the Page class? Please advise. TIA

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• Is it so bad to have heaps of elements in your DOM?

  - by alex

  I am making a real estate non interactive display for their shop window. I have kicked jCarousel into doing what I want: Add panels per AJAX Towards the end of the current set, go and AJAX some new panels and insert them This works fine, but it appears calling jQuery's remove() on the prior elements cause an ugly bump. I'm not sure if calling hide() will free up any resources, as the element will still exist (and the element will be off screen anyway). I've seen this, and tried carousel.reset() from within a callback. It just clears out all the elements. This will be running on Google Chrome on Windows XP, and will solely by displaying on LCD televisions. I am wondering, if I can't find a reasonable solution to remove the extra DOM elements, will it bring my application to a crawl, or will Chrome do some clever garbage collecting? Or, how would you solve this problem? Thanks

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• jQuery.Form wont submit

  - by kim

  Im´trying to submit a form without refreshing the page, but I´m having a problem. When I click submit the page refreshes and anothing gets posted. Here is the code, what am I doing wrong? (I´m a newbie) jQuery 1.4.2 and the jQuery Form Plugin 2.43 is present. tnx $(document).ready(function() { var options = { target: '#output2', url: https://graph.facebook.com/<%=fbUid%>/feed, type: post, clearForm: true // clear all form fields after successful submit //dataType: null // 'xml', 'script', or 'json' (expected server response type) //resetForm: true // reset the form after successful submit // $.ajax options can be used here too, for example: //timeout: 3000 }; // bind to the form's submit event $('#fbPostStatus').submit(function() { // inside event callbacks 'this' is the DOM element so we first // wrap it in a jQuery object and then invoke ajaxSubmit $(this).ajaxSubmit(options); // !!! Important !!! // always return false to prevent standard browser submit and page navigation return false; }); });

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• Redirecting before POST upload has been completed

  - by vartec

  I have form with file upload. The files to be uploaded actually are pictures and videos, so they can be quite big. I have logic which based on headers and first 1KB can determine if the rest will be processed or immediately rejected. In the later case I'd like to redirect client to error page without having to wait for upload to finish. The case is, that just sending response before POST is complete doesn't seem to work. The redirect get's ignored and if I close connection, browser complains with "Connection reset by peer" error. So the question is: is it even possible to do that in pure HTTP (without JavaScript on client-side), and if so, how?

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• Your opinion on the best jquery book

  - by Seattle Leonard

  Hello all, I'm looking to purchase a jquery book. I'm a strong C# developer whose had experience with dojo. Now, I'm building my own site and am looking to learn a new platform in the process. So, I've chosen jquery. With dojo, I know how to make my own widgets. I want to learn about ways to plug into jquery to make reusable controls. Also, I plan to make heavy use of json with ajax. Other things to consider: I would call my javascript expertise as intermediate. I'd like to find a book that is as up to date with the jquery platform as possible as I know that in a few months it will likely be out of date. What book or books would you reccomend?

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• jquery carousel

  - by Adam Wright

  Hi, I'm looking for a jquery carousel to contain image with the following requirements: must run on auto must not pause must be able to pause on image hover must have external controls that once clicked change the direction of the carousel. must be able to fadeout buttons when the carousel is moving in that direction. I've looked at jcaursel and jcaousellite but both have a pause of in auto mode or you have to specify how many items to slide. I just want it to move continously like a news ticker. Any suggestions on how to achieve this or how to customise jcaurousel or jcarouselite?

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• How to align checkboxes and their labels consistently cross-browsers

  - by One Crayon

  This is one of the minor CSS problems that plagues me constantly. How do folks around StackOverflow vertically align checkboxes and their labels consistently cross-browser? Whenever I align them right in Safari (usually using vertical-align: baseline on the input), they're completely off in Firefox and IE. Fix it in Firefox, and Safari and IE are inevitably messed up. I waste time on this every time I code a form. Here's the standard code that I work with: <form> <div> <label><input type="checkbox" /> Label text</label> </div> </form> I usually use Eric Meyer's reset, so form elements are relatively clean of overrides. Looking forward to any tips or tricks that you have to offer!

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• help me to understand viewstate

  - by EquinoX

  I was just reading this article here to understand about how view state and ASP.NET page cycle works. I just don't understand this part here: If this were the case, then in step 3 the Label's Text property would be assigned to "Hello, World!" in the instantiation stage, but would not be reassigned to "Goodbye, Everyone!" in the load view state stage. Therefore, from the end user's perspective, the Label's Text property would be "Goodbye, Everyone!" in step 2, but would seemingly be reset to its original value ("Hello, World!") in step 3, after clicking the Empty Postback button. This paragraph is after the three step 1, step 2, step 3 boxes. Why wouldn't the label's text property be reassigned to "Goodbye, Everyone" in the load view state?

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• How to access radioButton individual items?

  - by vikitor

  Hello, I've got 2 radio button groups showed differently depending on the value selected on another radio button. The thing is that I would like to set the default value of the group to the first element in the radiobutton group, but when I change from the other radio button it preserves the value previously selected, when I want it to be reset to the default value. I've been searching in the javascript repository but apparently I cannot access like it says with radio[1].checked = true... It says that radio[1] is undefined, but radio is an HTML Input element object. I'm accessing it from a different file, but var radio = document.getElementById("radio") works, but I can't access the individual radiobuttons. Thank you in advance

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• Creating a Dynamic calendar in Silverlight

  - by Tom

  I am attempting to create a long range calendar that dynamically loads (and unloads) event data as the user scrolls left or right through time. I'm really struggling to figure out how to lay the basic framework of the UI out and how to dynamically build the interface as the user scrolls by clicking and dragging the mouse in the view area. See the image below for a basic diagram of the intent. Each slice would have potentially multiple rectangles in it for events that occurred on that day (slice). I would like each slice to be a canvas to allow me to position those rectangles appropriately. There are a few problems that I am not yet sure how to tackle but this is the first big one that I've been mulling over for a while and can't quite wrap my head around: I know how to dynamically create controls but how would I go about adding things to one end of the scrollable content while removing things from the other depending on the way the user is scrolling? Any guidance in the right direction would be much appreciated! Thanks.

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• Is there a single query that can update a "sequence number" across multiple groups?

  - by Drarok

  Given a table like below, is there a single-query way to update the table from this: | id | type_id | created_at | sequence | |----|---------|------------|----------| | 1 | 1 | 2010-04-26 | NULL | | 2 | 1 | 2010-04-27 | NULL | | 3 | 2 | 2010-04-28 | NULL | | 4 | 3 | 2010-04-28 | NULL | To this (note that created_at is used for ordering, and sequence is "grouped" by type_id): | id | type_id | created_at | sequence | |----|---------|------------|----------| | 1 | 1 | 2010-04-26 | 1 | | 2 | 1 | 2010-04-27 | 2 | | 3 | 2 | 2010-04-28 | 1 | | 4 | 3 | 2010-04-28 | 1 | I've seen some code before that used an @ variable like the following, that I thought might work: SET @seq = 0; UPDATE `log` SET `sequence` = @seq := @seq + 1 ORDER BY `created_at`; But that obviously doesn't reset the sequence to 1 for each type_id. If there's no single-query way to do this, what's the most efficient way? Data in this table may be deleted, so I'm planning to run a stored procedure after the user is done editing to re-sequence the table.

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• How to access website CMS with only access to database

  - by user1741615

  I have a website that uses an "in-house" cms and I don't know the login details. The platform itself doesn't have the "reset your password" functionality. I do have access to ftp and phmyadmin and I found the SQL table containing the user details, but of course the password is MD5 encryption. I tried manually creating a user in php my admin and filling in a password encrypted in MD5 (used a md service online for that), but it still doesn't work. Does anybody know other tricks I can use? Thanks.

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• looping through checkboxes and inserting checkbox values to DB

  - by user1150440

  ASPX Page: <asp:ListView ID="lvSubjects" runat="server" > <LayoutTemplate> <asp:PlaceHolder ID="itemPlaceholder" runat="server" /> </LayoutTemplate> <ItemTemplate> <asp:CheckBox ID="cbRegularSubjects" Text=<%# Eval("SubjectName") %> runat="server" /> </ItemTemplate> <AlternatingItemTemplate> <asp:CheckBox ID="cbRegularSubjects" Text=<%# Eval("SubjectName") %> runat="server" /> </AlternatingItemTemplate> </asp:ListView> Code Behind: For Each ctrl As Control In Page.Controls If TypeOf ctrl Is CheckBox AndAlso CType(ctrl, CheckBox).Checked Then '**Here I want to get the text of the check box and insert into the DB** End If Next Where am i going wrong??i do not get any error...but this code is not working for me.

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• Anonymous iterator blocks in Clojure?

  - by Checkers

  I am using clojure.contrib.sql to fetch some records from an SQLite database. (defn read-all-foo [] (with-connection *db* (with-query-results res ["select * from foo"] (into [] res)))) Now, I don't really want to realize the whole sequence before returning from the function (i.e. I want to keep it lazy), but if I return res directly or wrap it some kind of lazy wrapper (for example I want to make a certain map transformation on result sequence), SQL-related bindings will be reset and connection will be closed after I return, so realizing the sequence will throw an exception. How can I enclose the whole function in a closure and return a kind of anonymous iterator block (like yield in C# or Python)? Or is there another way to return a lazy sequence from this function?

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• problem loading resource from class library

  - by mishal153

  I have a class library (mylibrary) which has a resource called "close.png". I used redGate reflector to confirm that the resource is actually present in the dll. Now i use mylibrary.dll in a project where i attempt to extract this "close.png" resource like this : BitmapImage crossImage = new BitmapImage(); crossImage.BeginInit(); crossImage.UriSource = new Uri(@"/mylibrary;component/Resources/close.png", UriKind.RelativeOrAbsolute); crossImage.EndInit(); This BitmapImage crossImage is then used like : Button closeButton = new Button() { Content = new System.Windows.Controls.Image() { Source = crossImage }, MaxWidth = 20, MaxHeight = 20 }; On doing this i get no exceptions being thrown but the button shows no image. Also, i do see some exception info if i investigate the button's 'content' in the debugger.

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• Scroll returns to default after display:none in Chrome/IE

  - by Sam

  Here's the example: http://jsfiddle.net/sammy/RubNy/ Scroll down in the div container. Then click anywhere in the window to hide the element. Then click once more to show the element. You'll notice in Chrome/IE that the scroll is reset, but in Firefox, the scroll remains how you left it. Which is the standards behavior, Chrome/IE or Firefox? Should I report this to the Chrome issue tracker? Thanks in advance for any help on this, and happy new year, and thanks again, and cheers, and stuff. =D

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• ASP.net hiding panel using javascript

  - by Zaps

  Hi, I have a radioButtonList with 2 items in it. A radiobutton with a "Yes" value and a radionButton with a "No" value. Below that I have a panel which I want made visible when "Yes" radioButton is selected and hidden when "No" is selected. I had originally implemented this using the AutoPostBack attribute but I want to do it in Javascript so that it doesn't cause a postback. Here's the code. Any help would be greatly appreciated. <asp:RadioButtonList ID="rbl1" runat="server" onClick="changed(this);" > <asp:ListItem Value="Yes">Yes</asp:ListItem> <asp:ListItem Value="No">No</asp:ListItem> <asp:Panel ID="panel1" runat="server"> <--other controls here --> </asp:Panel> function changed(rbl) { //not sure what to put in here } Thanks in advance, Zaps

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• Truncating a table referenced by a foreign key

  - by born to hula

  Hey, We have two tables in a SQL Server 2005 database, A and B.There is a service which truncates table A every day. Recently, a foreign key constraint was added to table B, referencing table A. As a result, it isn't possible truncating table A anymore, even if table B is empty. Is there any workaround to get the same result as truncating table A? I've already tried the approach below but the identity wasn't reset. DBCC CHECKIDENT (TABLENAME, RESEED, 0) PS. before anyone points this as a duplicate, the different thing here is that I'm not allowed to drop constraints, nor creating any.

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• How to expose a control collection to a property grid at design time

  - by Stefano Delendati

  I have a custom control that with a property that is a collection of custom object. This custom object hava a reference to some component/controls. When at design time I tray to add an item to the collection and select the object, VS tells me that the control is not serializable. This is the code (simplified version - but not to much): public class ViewRefObj { public control view { get; set; } public ViewRefObj() { } } private List<ViewRefObj> _controls=new List<ViewRefObj>(); public List<ViewRefObj> Views { get { return _controls; } }

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• Persisting user control values afer postback in asp.net

  - by user557135

  Hi, I have a few user controls which I add to the aspx form depending on the user's choice from a combo box. I have a user control which has a textbox in it and a getValue() method that returns the value of the textbox. After user selects the related item I load the control and add to a panel using loadControl method. User enters some text. After a postback I want to keep the user control and the user input in the same state before . Hope i could be clear. Thanks in advanced

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