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  • C# LINQ to XML nissing space character.

    - by Fossaw
    I write an XML file "by hand", (i.e. not with LINQ to XML), which sometimes includes an open/close tag containing a single space character. Upon viewing the resulting file, all appears correct, example below... <Item> <ItemNumber>3</ItemNumber> <English> </English> <Translation>Ignore this one. Do not remove.</Translation> </Item> ... the reasons for doing this are various and irrelevent, it is done. Later, I use a C# program with LINQ to XML to read the file back and extract the record... XElement X_EnglishE = null; // This is CRAZY foreach (XElement i in Records) { X_EnglishE = i.Element("English"); // There is only one damned record! } string X_English = X_EnglishE.ToString(); ... and test to make sure it is unchanged from the database record. I detect a change, when processing Items where the field had the single space character... +E+ Text[3] English source has been altered: Was: >>> <<< Now: >>><<< ... the and <<< parts I added to see what was happening, (hard to see space characters). I have fiddled around with this but can't see why this is so. It is not absolutely critical, as the field is not used, (yet), but I cannot trust C# or LINQ or whatever is doing this, if I do not understand why it is so. So what is doing that and why?

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  • Extracting [] elements from form collection - mvc - should use icollection but have mix of types

    - by bergin
    hi there. have looked at Phil Haacks project on books at http://haacked.com/archive/2008/10/23/model-binding-to-a-list.aspx which has been useful, but I have a mix of data types. I use a modelview so that i can have a mix of objects, in this case: Order (ie order.id, order.date etc), Customer, SoilSamplingOrder and a list of SoilSamplingSubJobs which is like this [0].id, [0].field, [1].id, [1].field etc Perhaps I should be using ICollection instead of List? I had problems getting UpdateModel to work so I used an extract from collection method. the first 4 method calls : orderRepository.FindOrder(id); etc give the model the original to be edited. but after this point i'm a little lost in how to update the subjobs. I hope i have delineated enough to make sense of the problem. [HttpPost] public ActionResult Edit(int id, FormCollection collection) { Order order = orderRepository.FindOrder(id); Customer cust = orderRepository.FindCustomer(order.customer_id); IList<SoilSamplingSubJob> sssj = orderRepository.FindSubOrders(id); SoilSamplingOrder sso = orderRepository.FindSoilSampleOrder(id); try { UpdateModel(order, collection.ToValueProvider()); UpdateModel(cust, collection.ToValueProvider()); UpdateModel(sso, collection.ToValueProvider()); IList<SoilSamplingSubJob> sssjs = orderRepository.extractSSSJ(collection); foreach (var sj in sssjs) UpdateModel(sso, collection.ToValueProvider()); orderRepository.Save(); return RedirectToAction("Details", new { id=order.order_id}); } catch { return View(); } }

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  • Sending mail issues. very confusing

    - by Dejan.S
    Hi my name is what, my name is who.. ops got carried away Now this might be a serverfault question and a stackoverflow question but I will go with it here because I don't really know the answer. I been sending mail a lot with asp.net before and never had problems like this before. I have setup a mail with this following code var list = new List<string> { "mail", "mail", "mail", "mail" }; var smtp = new SmtpClient("localhost", 25); var plainText = txtPlain.Text; var htmlText = Server.HtmlDecode(FCKeditor1.Value); foreach (var email in list) { var message = new MailMessage() { From = new MailAddress("my server mail"), ReplyTo = new MailAddress("mail") }; var mailMessage = Server.HtmlDecode(FCKeditor1.Value); message.To.Add(email); message.Subject = "Hi Enzorit"; message.Body = mailMessage; message.IsBodyHtml = true; message.BodyEncoding = System.Text.Encoding.GetEncoding("iso-8859-2"); var alternateViewHtml = AlternateView.CreateAlternateViewFromString(htmlText, null, MediaTypeNames.Text.Html); var alternateViewPlainText = AlternateView.CreateAlternateViewFromString(plainText, null, MediaTypeNames.Text.Plain); message.AlternateViews.Add(alternateViewHtml); message.AlternateViews.Add(alternateViewPlainText); smtp.Send(message); } now the issue becomes that some email clients get just plain while some get the html. Like on my hotmail on the computer i get the html but on my iphone i get the plain one. Why is that? and like that wasn't enough The mail wont deliver to some mails like any .pl email. Now here is where I am thinking that it might be a reverse DNS setup thing on my windows server 2008 issue + some company mails, it becomes spam, i had same issue with hotmail but that was solved when I added the plain. Anybody have had the problem before? I am very thankful for any answer I get.. thanks

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  • jQuery ui datepicker positioning problem when scrolling down webpage

    - by Remnant
    I have a webpage that uses multiple instances of the jQuery ui datepicker. My webpage will display ~80 records which extends beyond a single screenshot. <% foreach (var record in Model) { %> <div class="recordname"><%=record.name%></div> <%=Html.TextBox("DateTimePicker", null, new { @class = "date-pick" } )%> // <-- additional html here --> <% } %> I have set the defaults of my datepicker as follows: $(".date-pick").each(function() { $(this).datepicker({ dateFormat: 'dd M yy', showOn: 'button', buttonImage: '/Images/datepickericon.png', buttonImageOnly: true }); }); When the page first loads, if I click any datepicker icon that is visible on screen (i.e. without scrolling) then the datepicker appears as expected. However, if I scroll down the page and then click a datepicker icon, the datepicker does not appear in the screen window but is instead rendered right back near the top of the screen. Any ideas how to solve this? I am using: IE7 asp.net mvc jquery.ui.datepicker.js (UI/API/1.8/Datepicker)

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  • FlashBuilder 4 and Zend Framework error

    - by sig
    I am trying to use adobe flash builder 4 with a php service. I had it set up an older macbook running leopard, but just tried to set it up on my new laptop running snow leopard. I did all the same steps.. set the Flex Server to be PHP, set the web root and url. Then I go to Data-Connect To PHP and point it to a php file I have in my web root. It says it needs to install Zend, and claims it does so successfully, but then when I try to continue, I get an error. I don't understand.. this same setup works on my older laptop. (Yes, I checked the amf.production was false) Unable to retrieve operations and entities from the file Make sure that Zend Framework is installed correctly and the parameter "amf.production" is not set to true in the amf_config.ini file located in the project output folder. false), true);$default_config-merge(new Zend_Config_Ini($configfile, 'zendamf'));$default_config-setReadOnly();$amf = $default_config-amf;// Store configuration in the registryZend_Registry::set("amf-config", $amf);// Initialize AMF Server$server = new Zend_Amf_Server();$server-setProduction($amf-production);if(isset($amf-directories)) { $dirs = $amf-directories-toArray(); foreach($dirs as $dir) { // get the first character of the path. // If it does not start with slash then it implies that the path is relative to webroot. Else it will be treated as absolute path $length = strlen($dir); $firstChar = $dir; if($length = 1) $firstChar = $dir[0]; if($firstChar != "/"){ // if the directory is ./ path then we add the webroot only. if($dir == "./"){ $server-addDirectory($webroot); }else{ $tempPath = $webroot . "/" . $dir; $server-addDirectory($tempPath); } }else{ $server-addDirectory($dir); } }}// Initialize introspector for non-productionif(!$amf-production) { $server-setClass('Zend_Amf_Adobe_Introspector', '', array("config" = $default_config, "server" = $server)); $server-setClass('Zend_Amf_Adobe_DbInspector', '', array("config" = $default_config, "server" = $server));}// Handle requestecho $server-handle();

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  • Better viewing of postfix mail queue files than postcat?

    - by Geekman
    So I got a call early this morning about a client needing to see what email they have waiting to be delivered sitting in our secondary mail server. Their link for the main server had (still is) been down for two days and they needed to see their email. So I wrote up a quick perl script to use mailq in combination with postcat to dump each email for their address into separate files, tar'd it up and sent it off. Horrible code, I know, but it was urgent. My solution works OK in that it at least gives a raw view, but I thought tonight it would be nice if I had a solution where I could provide their email attachments and maybe remove some "garbage" header text as well. Most of the important emails seem to have a PDF or similar attached. I've been looking around but the only method of viewing queue files I can see is the postcat command, and I really don't want to write my own parser - so I was wondering if any of you have already done so, or know of a better command to use? Here's the code for my current solution: #!/usr/bin/perl $qCmd="mailq | grep -B 2 \"someemailaddress@isp\" | cut -d \" \" -f 1"; @data = split(/\n/, `$qCmd`); $i = 0; foreach $line (@data) { $i++; $remainder = $i % 2; if ($remainder == 0) { next; } if ($line =~ /\(/ || $line =~ /\n/ || $line eq "") { next; } print "Processing: " . $line . "\n"; `postcat -q $line > $line.email.txt`; $subject=`cat $line.email.txt | grep "Subject:"`; #print "SUB" . $subject; #`cat $line.email.txt > \"$subject.$line.email.txt\"`; } Any advice appreciated.

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  • Entity Framework query

    - by carter-boater
    Hi all, I have a piece of code that I don't know how to improve it. I have two entities: EntityP and EntityC. EntityP is the parent of EntityC. It is 1 to many relationship. EntityP has a property depending on a property of all its attached EntityC. I need to load a list of EntityP with the property set correctly. So I wrote a piece of code to get the EntityP List first.It's called entityP_List. Then as I wrote below, I loop through the entityP_List and for each of them, I query the database with a "any" function which will eventually be translated to "NOT EXIST" sql query. The reason I use this is that I don't want to load all the attached entityC from database to memory, because I only need the aggregation value of their property. But the problem here is, the looping will query the databae many times, for each EntityP! So I am wondering if anybody can help me improve the code to query the database only once to get all the EntityP.IsAll_C_Complete set, without load EntityC to memory. foreach(EntityP p in entityP_List) { isAnyNotComoplete = entities.entityC.Any(c => c.IsComplete==false && c.parent.ID == p.ID); p.IsAll_C_Complete = !isAnyNotComoplete; } Thank you very much!

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  • Custom .NET DSL

    - by Dmitriy Nagirnyak
    Hi, I am thinking about implementing a templating engine using only the plain C#/.NET 4 syntax with the benefit of static typing. Then on top of that templating language we could create Domain Specific Languages (let's say HTML4, XHTML, HTML5, RSS, Atom, Multipart Emails and so on). One of the best DSLs in .NET 4 (if not only one) is SharpDOM. It implements HTML-specific DSL. Looking at SharpDOM, I am really impressed of what you can do using .NET (4). So I believe there are some not-so-well-known ways for implementing custom DSLs in .NET 4. Possibly not as well as in Ruby, but still. So my the question would be: what are the C# (4) specific syntax features that can be used for implementing custom DSLs? Examples I can think of right now: // HTML - doesn't look tooo readable :) div(clas: "head", ul(clas: "menu", id: "main-menu", () => { foreach(var item in allItems) { li(item.Name) } }) // See how much noise it has with all the closing brackets? ) // Plain text (Email or something) - probably too simple Line("Dear {0}", user.Name); Line("You have been kicked off from this site"); For me it is really hard to come up with the syntax with least amount of noise. Please NOTE that I am not talking about another language (Boo, IronRuby etc), neither I am not talking about different templating engines (NHaml, Spark, StringTemplate etc). Thanks, Dmitriy.

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  • How to refer to items in Dictionary<string, string> by integer index?

    - by Edward Tanguay
    I made a Dictionary<string, string> collection so that I can quickly reference the items by their string identifier. But I now also need to access this collective by index counter (foreach won't work in my real example). What do I have to do to the collection below so that I can access its items via integer index as well? using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace TestDict92929 { class Program { static void Main(string[] args) { Dictionary<string, string> events = new Dictionary<string, string>(); events.Add("first", "this is the first one"); events.Add("second", "this is the second one"); events.Add("third", "this is the third one"); string description = events["second"]; Console.WriteLine(description); string description = events[1]; //error Console.WriteLine(description); } } }

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  • What is the correct way to create dynamic javascript in ASP.net MVC2?

    - by sabbour
    I'm creating a Google Maps partial view/user control in my project that is passed a strongly typed list of objects containing latitude and longitude values. Currently, this is the code I have for the partial: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<IEnumerable<Project.Models.Entities.Location>>" %> <!-- Place for google to put the map --> <div id="report_map_canvas" style="width: 100%; height: 728px; margin-bottom: 2px;"> </div> <script type='text/javascript'> google.load("maps", "2"); $(document).ready(initializeMap); function initializeMap() { if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById('report_map_canvas')); map.setCenter(new GLatLng(51.5, -0.1167), 2); <% foreach (var item in Model) { %> map.addOverlay(new GMarker(new GLatLng('<%= Html.Encode(item.latitude)%>','<%= Html.Encode(item.longitude)%>'),{ title: '<%= Html.Encode(String.Format("{0:F}",item.speed)) %> km/h '})); <% } %> map.setUIToDefault(); } } </script> Is it right to dynamically create the javascript file this way by looping over the list and emitting javascript? Is there a better way to do it?

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  • Kohana 3 ORM: How to get data from pivot table? and all other tables for that matter

    - by zenna
    I am trying to use ORM to access data stored, in three mysql tables 'users', 'items', and a pivot table for the many-many relationship: 'user_item' I followed the guidance from http://stackoverflow.com/questions/1946357/kohana-3-orm-read-additional-columns-in-pivot-tables and tried $user = ORM::factory('user',1); $user->items->find_all(); $user_item = ORM::factory('user_item', array('user_id' => $user, 'item_id' => $user->items)); if ($user_item->loaded()) { foreach ($user_item as $pivot) { print_r($pivot); } } But I get the SQL error: "Unknown column 'user_item.id' in 'order clause' [ SELECT user_item.* FROM user_item WHERE user_id = '1' AND item_id = '' ORDER BY user_item.id ASC LIMIT 1 ]" Which is clearly erroneous because Kohana is trying to order the elements by a column which doesn't exist: user_item.id. This id doesnt exist because the primary keys of this pivot table are the foreign keys of the two other tables, 'users' and 'items'. Trying to use: $user_item = ORM::factory('user_item', array('user_id' => $user, 'item_id' => $user->items)) ->order_by('item_id', 'ASC'); Makes no difference, as it seems the order_by() or any sql queries are ignored if the second argument of the factory is given. Another obvious error with that query is that the item_id = '', when it should contain all the elements. So my question is how can I get access to the data stored in the pivot table, and actually how can I get access to the all items held by a particular user as I even had problems with that? Thanks

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  • DBD::SQLite::st execute failed: datatype mismatch

    - by Barton Chittenden
    Here's a snippit of perl code: sub insert_timesheet { my $dbh = shift; my $entryref = shift; my $insertme = join(',', @_); my $values_template = '?, ' x scalar(@_); chop $values_template; chop $values_template; #remove trailing comma my $insert = "INSERT INTO timesheet( $insertme ) VALUES ( $values_template );"; my $sth = $dbh->prepare($insert); debug("$insert"); my @values; foreach my $entry (@_){ push @values, $$entryref{$entry} } debug("@values"); my $rv = $sth->execute( @values ) or die $dbh->errstr; debug("sql return value: $rv"); $dbh->disconnect; } The value of $insert: [INSERT INTO timesheet( idx,Start_Time,End_Time,Project,Ticket_Number,Site,Duration,Notes ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ? );] Here are @values: [null '1270950742' '1270951642' 'asdf' 'asdf' 'adsf' 15 ''] Here's the schema of 'timesheet' timesheet( idx INTEGER PRIMARY KEY AUTOINCREMENT, Start_Time VARCHAR, End_Time VARCHAR, Duration INTEGER, Project VARCHAR, Ticket_Number VARCHAR, Site VARCHAR, Notes VARCHAR) Here's how things line up: ---- Insert Statement Schema @values ---- idx idx INTEGER PRIMARY KEY AUTOINCREMENT null: # this is not a mismatch, passing null will allow auto-increment. Start_Time Start_Time VARCHAR '1270950742' End_Time End_Time VARCHAR '1270951642' Project Project VARCHAR 'asdf' Ticket_Number Ticket_Number VARCHAR 'asdf' Site Site VARCHAR 'adsf' Duration Duration INTEGER 15 Notes Notes VARCHAR '' ... I can't see the data-type mis-match.

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  • Problem in Adding Button in Dynamically created Gridview with Auto Generated Columns True

    - by Anuj Koundal
    Hi Guys I am using Gridview with auto columns true to Display data, I am using Dataset to bind Grid as Dataset gives me Crosstab/Pivot data on Dropdown's slected Index changed Here is the code I am using protected void ddl_SelectedIndexChanged(object sender, EventArgs e) { fillGridview(Convert.ToInt32(ddl.SelectedValue)); bindHeader(); } //===================//Bind GridColumns //================= void bindHeader() { GridViewRow headerRow; headerRow = gridDashboard.HeaderRow; foreach (GridViewRow grdRow in gridDashboard.Rows) { int count = grdRow.Cells.Count; int siteId=Convert.ToInt32(grdRow.Cells[4].Text); for (int j = 0; j < count; j++) { if (j >= 5) { int id=Convert.ToInt32(grdRow.Cells[j].Text); string headText =headerRow.Cells[j].Text.ToString(); string[] txtArray=headText.Split('-'); int stepId=Convert.ToInt32(txtArray[0]); //headerRow.Cells[j].Text = txtArray[1].ToString(); string HeadName = txtArray[1].ToString(); LinkButton lb = new LinkButton(); lb.Style.Add("text-decoration","none"); if (id > 0) { string Details = getDashBoardSiteStepDetails(id); lb.Text = Details; } else { lb.Text = " - "; } lb.CommandName = "HideColumn"; lb.CommandArgument = siteId.ToString() + "/" + stepId.ToString(); grdRow.Cells[j].Controls.Add(lb); } } } int cnt = headerRow.Cells.Count; for (int j = 0; j { if (j >= 5) { string hdText = headerRow.Cells[j].Text.ToString(); string[] txtArray = hdText.Split('-'); // int stepId = Convert.ToInt32(txtArray[0]); headerRow.Cells[j].Text = txtArray[1].ToString(); } } In above code I am trying to add button dynamically in each cell and button in text have text of that cell, IT works Great but when I click the link button created, link buttons Disappear and the original text of the cell Displays. please help I also want to create onclick of these link buttons Thanks

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  • Trouble understanding the whole OSGi web eco system

    - by Jens
    Hello, I am pretty new to the whole Java and OSGi world and I have trouble understanding the eco system of a OSGi web application. To be more precise I am at the moment trying to understand how all the parts of the eco system are related to each other: OSGi Framework (e.g. Apache Felix, Equinox, Knoplerfish) OSGi Runtime (e.g. Spring DM Server, Pax Runner, Apache Karaf) Web Extender (e.g. Pax Web Extender, Spring Web Extender) Web Container (e.g. Apache Tomcat, Jetty) To give you a visual representation of my actual understanding of their relationship check out this image: As far as I know the OSGi Framework is a implementation of the OSGi specification. The runtime is a distribution which adds additional functionality on top of the OSGi specification like logging for instance. Since there seem to be some differences in the classpath mechanism of OSGi and web containers like Tomcat you need some kind of translator. This part is handled by the "Web Extender". Would you please clarify this whole thing for me? Am I understanding everything correct?

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  • how I can print WPF treeview items over multiple pages?

    - by RAJKISHOR
    Hello friend, I want to print tree structure showing in WPF treeview control in multiple page. I tried PrintVisual() but it only prints only visible parts. Then I tried FlowDocument and written AddNode(), but its not showing the same result as treeview doimg. Please help me with code. public void AddNodes(int uid, ListItem tSubNode) { string query = "select fullname, id from members where refCode=" + uid + ";"; String memValue; MySqlCommand cmd = new MySqlCommand(query, db.conn); MySqlDataAdapter _DA = new MySqlDataAdapter(cmd); DataTable _DT = new DataTable(); _DA.Fill(_DT); ListOffset += 20; foreach (DataRow _dr in _DT.Rows) { ListItem tNode = new ListItem(); tNode.Margin = new Thickness(ListOffset,0,0,0); memValue = _dr["fullname"].ToString() + " (" + _dr["id"].ToString() + ")"; tNode.Blocks.Add(new Paragraph(new Run(hyp+memValue))); myList.ListItems.Add(tNode); flowDoc.Blocks.Add(myList); _fdrMembers.Document = flowDoc; if (db.HasMembers(Convert.ToInt32(_dr["id"].ToString()))) { AddNodes(Convert.ToInt32(_dr["id"]), tNode); } } ListOffset = 20; } private void button_Click(object sender, RoutedEventArgs e) { ListOffset = 0; myList.ListItems.Clear(); tSuper.Blocks.Clear(); if (db.GetNameByUID(100001) != null) { tSuper.Blocks.Add(new Paragraph(new Run(db.GetNameByUID(100001)))); myList.ListItems.Add(tSuper); AddNodes(100001, tSuper); } MessageBox.Show("Member by ID - "+does.ToString()+", "+dosnt.ToString(), "Error!", MessageBoxButton.OK, MessageBoxImage.Information); }**strong text**

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  • Adding StyleSheets Programmatically in Asp.Net

    - by Braveyard
    I want to add StyleSheets programmatically in the head section but one of the examples I saw seemed to need to many lines of code to add just one style sheet even though I may need a lot: Example Code: HtmlLink css = new HtmlLink(); css.Href = "css/fancyforms.css"; css.Attributes["rel"] = "stylesheet"; css.Attributes["type"] = "text/css"; css.Attributes["media"] = "all"; Page.Header.Controls.Add(css); I also use Page.Header.RenderControl() method but it didn't work either. Object null something error was thrown. I also used Page.Header.InnerHtml and InnerText += "<link .... "/> things but they threw the Literal error which is I think common error. I used this code : List<Literal> cssFiles = new List<Literal>(); cssFiles.Add(new Literal() { Text = @"<link href=""" + ResolveUrl("~/Resources/Styles/MainMaster/MainDesign.css") + @""" type=""text/css"" rel=""stylesheet"" />" }); cssFiles.Add(new Literal() { Text = @"<link href=""" + ResolveUrl("~/Resources/Styles/MainMaster/MainLayout.css") + @""" type=""text/css"" rel=""stylesheet"" />" }); AddStyleRange(cssFiles); private void AddStyleRange(List<Literal> cssFiles) { foreach (Literal item in cssFiles) { this.Header.Controls.Add(item); } } It worked at first but when I change the pages it stopped working. I am using Master Page and I am writing these codes on Master.cs file and also some people recommended to use this.Header instead of Page.Header but when I built it throws an error which says I cannot declare that like this. It shouldn't be that hard to add many styles. It is getting complicated.

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  • Programmatically Add Controls to WPF Form

    - by user210757
    I am trying to add controls to a UserControl dynamically (programatically). I get a generic List of objects from my Business Layer (retrieved from the database), and for each object, I want to add a Label, and a TextBox to the WPF UserControl and set the Position and widths to make look nice, and hopefully take advantage of the WPF Validation capabilities. This is something that would be easy in Windows Forms programming but I'm new to WPF. How do I do this (see comments for questions) Say this is my object: public class Field { public string Name { get; set; } public int Length { get; set; } public bool Required { get; set; } } Then in my WPF UserControl, I'm trying to create a Label and TextBox for each object: public void createControls() { List<Field> fields = businessObj.getFields(); Label label = null; TextBox textbox = null; foreach (Field field in fields) { label = new TextBox(); // HOW TO set text, x and y (margin), width, validation based upon object? // i have tried this without luck: // Binding b = new Binding("Name"); // BindingOperations.SetBinding(label, Label.ContentProperty, b); MyGrid.Children.Add(label); textbox = new TextBox(); // ??? MyGrid.Children.Add(textbox); } // databind? this.DataContext = fields; }

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  • C# Reflection StackTrace get value

    - by John
    I'm making pretty heavy use of reflection in my current project to greatly simplify communication between my controllers and the wcf services. What I want to do now is to obtain a value from the Session within an object that has no direct access to HttpSessionStateBase (IE: Not a controller). For example, a ViewModel. I could pass it in or pass a reference to it etc. but that is not optimal in my situation. Since everything comes from a Controller at some point in my scenario I can do the following to walk the sack to the controller where the call originated, pretty simple stuff: var trace = new System.Diagnostics.StackTrace(); foreach (var frame in trace.GetFrames()) { var type = frame.GetMethod().DeclaringType; var prop = type.GetProperty("Session"); if(prop != null) { // not sure about this part... var value = prop.GetValue(type, null); break; } } The trouble here is that I can't seem to work out how to get the "instance" of the controller or the Session property so that I can read from it.

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  • ASP.NET MVC Strongly Typed Widgets

    - by Ben
    I have developed a plugin system that makes it easy to plug in new logic to an application. Now I need to provide the ability to easily add UI widgets. There are already some good responses on how to create a portal system (like iGoogle) with ASP.NET MVC, and I'm fine about the overall concept. My question is really about how we make strongly typed widgets. Essentially when we set up a widget we define the controller and action names that are used to render that widget. We can use one controller action for widgets that are not strongly typed (since we just return PartialView(widgetControlName) without a model) For widgets that are strongly typed (for example to an IList) we would need to add a new controller action (since I believe it is not possible to use Generics with ActionResult e.g. ActionResult). The important thing is that the widget developers should not change the main application controllers. So my two thoughts are this: Create new controllers in a separate class library Create one partial WidgetController in the main web project and then extend this in other projects (is this even possible?) - not possible as per @mfeingold As far as the development of the widgets (user controls) go, we can just use post build events from our extension projects to copy these into the Views/Widgets directory. Is this a good approach. I am interested to here how others have handled this scenario. Thanks Ben P.S - in case it helps, an example of how we can render widgets - without using Javascript <%foreach (var widget in Model) {%> <%if (widget.IsStronglyTyped) { Html.RenderAction(widget.Action, widget.Controller); } else { Html.RenderPartial(widget.ControlName); } %> <%} %>

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  • web browser become slow or no response after several ajax calls

    - by Patrick
    I'm totally newbie to jquery and ajax, my recently project is to help the representatives (reps) to manage customer quotations online. I have a page which displays all the quotations in a big table. I've managed to use ajax to fetch and display the quotations which associate to a particular rep after i click that rep's name. But the only problem is the speed of response. The first few clicks are ok and very smooth. But after several tries, the response become slow and I cant even scroll down the webpage, and later on the web browser craches.... Please have a look at my ajax code. here it is: <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER--> <script type="text/javascript"> //<![CDATA[ $(function(){ $("a.repID").click(function(){ $('div#loader').append("<p align='center'><img src='images/loadingbar2.gif' id='loading' /></p>"); var repID = $(this).attr("title"); $.ajax({ type:'POST', url:'quote_info.php', data:'repID=' + repID, cache: false, success:function(data) { $("#container").html('<div id="content">' + data + '</div>'); $("#loading").fadeOut(500, function() {$(this).remove();}); $("#sortme").tablesorter(); $('.tbl').fixedtableheader(); } }); return false; }); }); </script> <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER-->

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  • DropDownListFor and relating my lambda to my ViewModel

    - by Daniel Harvey
    After googling for a while I'm still drawing a blank here. I'm trying to use a ViewModel to pull and provide a dictionary to a drop down list inside a strongly typed View: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="Notebook.ViewModels.CorporationJoinViewModel" %> ... <%: Html.DropDownListFor(c => c.CorpDictionary.Keys, new SelectList(Model.CorpDictionary, "Value", "Key"))%> I'm getting the error CS1061: 'object' does not contain a definition for 'CorpDictionary' and no extension method 'CorpDictionary' accepting a first argument of type 'object' could be found and the relevant bit of my ViewModel public class CorporationJoinViewModel { DB _db = new DB(); // data context public Dictionary<int, string> CorpDictionary { get { Dictionary<int, string> corporations = new Dictionary<int, string>(); int x = 0; foreach (Corporation corp in _db.Corporations) { corporations.Add(x, corp.name); } return corporations; } } I'll admit i have a pretty magical understanding of how linq is finding my ViewModel object from that lambda, and the error message is making me think it's not. Is my problem the method I'm using to pass the data? What am I missing here?

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  • DDD and MVC: Difference between 'Model' and 'Entity'

    - by Nathan Loding
    I'm seriously confused about the concept of the 'Model' in MVC. Most frameworks that exist today put the Model between the Controller and the database, and the Model almost acts like a database abstraction layer. The concept of 'Fat Model Skinny Controller' is lost as the Controller starts doing more and more logic. In DDD, there is also the concept of a Domain Entity, which has a unique identity to it. As I understand it, a user is a good example of an Entity (unique userid, for instance). The Entity has a life-cycle -- it's values can change throughout the course of the action -- and then it's saved or discarded. The Entity I describe above is what I thought Model was supposed to be in MVC? How off-base am I? To clutter things more, you throw in other patterns, such as the Repository pattern (maybe putting a Service in there). It's pretty clear how the Repository would interact with an Entity -- how does it with a Model? Controllers can have multiple Models, which makes it seem like a Model is less a "database table" than it is a unique Entity. So, in very rough terms, which is better? No "Model" really ... class MyController { public function index() { $repo = new PostRepository(); $posts = $repo->findAllByDateRange('within 30 days'); foreach($posts as $post) { echo $post->Author; } } } Or this, which has a Model as the DAO? class MyController { public function index() { $model = new PostModel(); // maybe this returns a PostRepository? $posts = $model->findAllByDateRange('within 30 days'); while($posts->getNext()) { echo $posts->Post->Author; } } } Both those examples didn't even do what I was describing above. I'm clearly lost. Any input?

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  • Silverlight 4 seems like starving of memory

    - by Marco
    I have been playing a bit with Silverlight and try to port my Silverlight 3.0 application to Silverlight 4.0. My application loads different XAP files and upon a user request create an instance of a Xaml user control and adds it to the main container, in a sort of MEF approach in order I can have an extensible and pluggable application. The application is pretty huge and to keep acceptable the performances and the initial loading I have built up some helper classes to load in the background all pages and user controls that might be used later on. On Silverlight 3.0 everything was running smoothly without any problem so far. Switching to SL 4.0 I have noticed that when the process approaches to create the instances of the user controls the layout freezes unexpectedly for a minute and sometimes for more. Looking at the task manager the memory usage of IE jumps from 50MB to 400MB and sometimes up to 1.5 GB. If the process won't take that much the layout is rendered properly even though the memory usage is still extremely high. Otherwise everything crashes due to out of memory exception. Running the same application compiled in SL3, the memory used is about 200MB when all the usercontrols are loaded. Time spent to load the application in SL3 is about 10 seconds, while it takes up to 3 mins in SL4 There are no transparencies, no opacities set, no effects and animations in the layout. User controls are instantied on the fly and added or removed in the visual tree on purpose when the user switches from one screen to another. The resources are all cleaned properly when a usercontrol is removed from the visual tree to allow the GC to operate in the background. I may do something wrong but I could not figure out where exactly nail out the source of this problem. As far as I know there is no memory profiler in SL4 that can help me out to find where to look at. But again I could not be updated on new debugging tools available.

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  • How to search inbox using zend mail

    - by Bob Cavezza
    The following is a function from zend_mail_protocol_imap. i read that to search emails, I would want to override it using zend_mail_storage_imap (which is what I'm using now to grab email from gmail). I copy and pasted the following function into zend_mail_storage_imap, but I'm having issues with the params. I can't find documentation on what to use for the array $params. I initially thought it was the search term before reading it more thoroughly. I'm out of ideas. Here's the function... /** * do a search request * * This method is currently marked as internal as the API might change and is not * safe if you don't take precautions. * * @internal * @return array message ids */ public function search(array $params) { $response = $this->requestAndResponse('SEARCH', $params); if (!$response) { return $response; } foreach ($response as $ids) { if ($ids[0] == 'SEARCH') { array_shift($ids); return $ids; } } return array(); } Initially I thought this would do the trick... $storage = new Zend_Mail_Storage_Imap($imap); $searchresults = $storage->search('search term'); But nope, I need to send the info in an array. Any ideas?

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  • Save all xml nodes to db without looping through it

    - by AndreMiranda
    I have this xml: <Path> <Record> <ID>6534808</ID> <Distance>1.05553036073736</Distance> </Record> <Record> <ID>6542471</ID> <Distance>1.05553036073736</Distance> </Record> ... and about more 500 nodes </Path> And I'm using the code below to get all "Record" nodes: XmlNodeList paths = xDoc.SelectNodes("//Record"); And, after that, I save each record to database. But, the problem is that I'm using a foreach to loop through this nodes and the count of this nodes may be more than 500, sometimes it gets up to 1000 "Records" node. And this gets too long... Is there a way to save all of these nodes without looping through it? Thanks!!

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