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  • New Development Snapshot

    More fixes. Thanks to Kornl Pl for his patches, bug reports and work on porting gmcs to IKVM.Reflection. Changes: Removed mcs specific flag that is no longer required. Removed use of reflection for getting the slot of a java.lang.reflect.Field. Implemented RuntimeMXBean. Feature request #2994310. Implemented OperatingSystemMXBean. Added ikvmc option to disable automagic serialization. Fixed ikvmc to give a proper...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • MIX10 Keynote Windows Phone 7 Series Development

    As New Zealand wakes up on Tuesday 16th March the MIX 2010 keynote is wrapping up in Las Vegas. Watch the full keynote below: As I walk out of the keynote room I cant help but feel pride for where Scott Guthrie has taken Windows Phone in one short year. This really was a reset of the platform and the unveiling of a very exciting new beginning! Today we announced that all the tools you need to get started building applications for Windows Phone 7 series are available for you to download...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Diagram.NET

    - by csharp-source.net
    Diagram.NET is a free .NET control to create and manipulate diagrams and flowcharts. Put Diagram.NET WinForm Control into your form and, like Microsoft Visio, the user can draw shapes and links. With some code you can control, change, add and delete these elements.

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  • ASP.NET Reports: How To Setup A Master Detail Report

    Check out this How-to Setup An ASP.NET Master-Detail Report video. The screencast shows easy it is to add master-detail information using the ASP.NET XtraReports Suite: The video pace is not too fast and covers what you need to build your first master-detail report. The video also builds on the previous ASP.NET Data-Aware Report. But dont worry, I cover that in the video too. Watch the How-to Setup An ASP.NET Master-Detail Report video and then drop me a line below with your thoughts. Thanks!...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Using The Windows Server AppFabric Cache with ASP.NET

    Did you know that you can use the AppFabric Cache with ASP.NET?  AppFabric Cache provides an ASP.NET session state provider.  There are a number of reasons that you would want to consider using the AppFabric Cache instead of other caching technologies, including the built in ASP.NET caching. The AppFabric Cache provides a number of benefits to ASP.NET programmers.  When web applications need to maintain state, especially across a Web Farm, or needs to maintain objects across restarts...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • New Development Snapshot

    I finally did the work necessary to improve the codegen for finally handlers. More improvements are still possible, but at least most finally handlers will now execute without touching the exception object (and hence without having to do any mapping/stack trace collection work). It also means that assembly file sizes are a little bit smaller and that the debugging experience should be improved (less exception catching & rethrowing). Changes: ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Getting Started with Silverlight and Windows Phone 7 Development

    So the news is out! Silverlight IS the platform for Windows Phone 7 Series development! Sweet. We also made available an update to Silverlight 4 that you might be interested in too! You may be wondering how you get started. If you are new to Silverlight, I recommend getting familiar with Silverlight first. You can find all the tools you will need at the Silverlight community site. In addition to the core tools youll want to get the Windows Phone Developer Tools CTP. This will add to your Visual...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to start Sharepoint Development - Resources wanted [closed]

    - by user1249641
    I'm a apprentice for software development here in good ol' Germany and I've been doing fairly well with c#, asp.net mvc, entity framework and LINQ so far. My superiors want me to focus solely on our intranet development and Sharepoint development. They don't provide me with any resources to start. No books, no co-workers with actual webpart-dev-experience, seminars and the likes. There for it's do it on your own or die. I bought a book and started working through it on my virtual machine messing with the infrastructure and everything i can get a grip on. My main problem however stays the actual development. I have managed to write 2 webparts which can be used as a rudimentary ticket system(using WSP Builder and SP2007). But there it stops. Are there any comprehensive step by step tutorials or blogs out there, like the asp.net tutorials on www.asp.net which take you by the hand go over each step with you? Starting with the basic classes, going over custom css implementation, Jquery/Javascript ajax and async calls? No matter how trivial, I appreciate every help and hint you can give.

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  • New Development Snapshot

    I got a little side tracked by the investigation of the Google Collections test suite performance issue, reported by Albert Strasheim in the comments to the previous snapshot. This caused me to do some work on exception handling (unfortunately without any performance benefit to the Google Collections test suite) which, in turn, triggered something I've been wanting to do for while, namely to introduce a stub version of IKVM.OpenJDK.Core.dll which can...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • New Development Snapshot

    It's been a while and enough changes have accumulated to warrant a new development snapshot. Changes: Volker implemented dumping a list of threads when Ctrl-Break is pressed (Windows only). Fixed class loader caching in CallerID (thanks to Mainsoft for reporting this). Added workaround to ikvmc for Assembly.Location differing in case when the assembly is loaded from DEVPATH. Added error handling to ikvmc -key: and -keyfile: options. ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Book Review: Silverlight 4 Business Application Development

    I normally don't do book reviews here but this book is kind of cool and what I'm looking for. Silverlight 4 Business Application Development, here is a book that is kind of not so much on the UX side but what stands out about this book is the fact that it is more pictures and code then text especially when compared to a regular book. For me in particular this is awesome as Im more into pictures and code samples. Much like a recipe book this kind of thing is right up my ally so I can focus on making...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • add shapes to bing maps from locations stored in a database (bing maps ajax control)

    - by macou
    I am trying to use the Bing Maps Ajax Control to plot pins of locations stored in a database to the bing map on a web page. All the locations are geocoded and the lat longs stored in the database. I am using ASP.NET (C#), but can't figure out or find any tutorials on how to go about doing this. All I can find are articles on how to import shapes into a map from either GeoRSS, Bing Maps, and KML. I have used (and paid for ;o) the excellent control from Simplovations to do alot of what I need to do, namely working with my data as normal in the code behind, getting a DataSet of my locations and plotting the points to the map. It has been great, but I want to know how to do it with out using a third party control. My main reason for wanting this is to be able to cluster my pins and hopefully learn a bit of Javascript along the way. Does anyone know of any tutorials or articles online that can help me on my way. I have been searching the net for hours now and can't find anything :(

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  • Using a custom MvcHttpHandler v2.0 Breaking change from 1.0 to 2.0 ?

    - by Myster
    Hi I have a site where part is webforms (Umbraco CMS) and part is MVC This is the HttpHandler to deal with the MVC functionality: public class Mvc : MvcHttpHandler { protected override void ProcessRequest(HttpContext httpContext) { httpContext.Trace.Write("Mvc.ashx", "Begin ProcessRequest"); string originalPath = httpContext.Request.Path; string newPath = httpContext.Request.QueryString["mvcRoute"]; if (string.IsNullOrEmpty(newPath)) newPath = "/"; httpContext.Trace.Write("Mvc.ashx", "newPath = "+newPath ); HttpContext.Current.RewritePath(newPath, false); base.ProcessRequest(HttpContext.Current); HttpContext.Current.RewritePath(originalPath, false); } } Full details of how this is implemented here This method works well in an MVC 1.0 website. However when I upgrade this site to MVC 2.0 following the steps in Microsoft's upgrade documentation; everything compiles, except at runtime I get this exception: Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /mvc.ashx Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927 This resource and it's dependencies are found fine in MVC 1.0 but not in MVC 2.0, is there an extra dependency I'd need to add? Is there something I'm missing? Is there a change in the way MVC 2.0 works?

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  • Does SmtpClient class represent POP3 client or…?

    - by SourceC
    I assume that web controls (such as the PasswordRecovery control) use SmtpClient to send email messages. If so, does SmtpClient represent a POP3 client or does SmtpClient forward email message to POP3 client? Do attributes specified inside <smtp> element in web.config map to SmtpClient class? <system.net> <mailSettings> <smtp deliveryMethod="Network" ...></smtp> </mailSettings> </system.net> One of the possible values for the attribute deliveryMethod is Network, which tells that email should be sent through the network to an SMTP server. In other words, this value tells to send email to SMTP server using SMTP protocol?! For the PasswordRecovery control to be able to send email messages, we need to set basic properties in <MailDefinition> subelement of the PasswordRecovery control. Thus I assume MailDefinition is used by controls to create an email message?!

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  • Horizontally align rows in multiple tables using web user control

    - by goku_da_master
    I need to align rows in different tables that are layed out horizontally. I'd prefer to put the html code in a single web user control so I can create as many instances of that control as I want and lay them out horizontally. The problem is, the text in the rows needs to wrap. So some rows may expand vertically and some may not (see the example below). When that happens, the rows in the other tables aren't aligned horizontally. I know I can accomplish all this by using a single table, but that would mean I'd have to duplicate the name, address and phone html code instead of dynamically creating new instances of my user control (in reality there are many more fields than this, but I'm keeping it simple). Is there any way to do this whether with div's, tables or something else? Here's the problem: Mary Jane's address field expands 2 lines, causing her phone field to not align properly with John's and Bob's. Name: John Doe Name: Mary Jane Name: Bob Smith Address: 123 broadway Address: Some really long address Address: Short address Phone: 123-456 that takes up multiple lines Phone: 111-2222 Phone: 456-789 I'm not restricted in any way how to do this (other than using asp.net), but I'd prefer to use a single web control that I instantiate X times at design time (in this example, it's 3 times). I'm using VS2008, and .Net 3.5

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  • Please help debug this ASP.Net [VB] code. Trying to write to text file from SQL Server DB.

    - by NJTechGuy
    I am a PHP programmer. I have no .Net coding experience (last seen it 4 years ago). Not interested in code-behind model since this is a quick temporary hack. What I am trying to do is generate an output.txt file whenever the user submits new data. So an output.txt file if exists should be replaced with the new one. I want to write data in this format : 123|Java Programmer|2010-01-01|2010-02-03 124|VB Programmer|2010-01-01|2010-02-03 125|.Net Programmer|2010-01-01|2010-02-03 I don't know VB, so not sure about string manipulations. Hope a kind soul can help me with this. I will be grateful to you. Thank you :) <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Data" %> <%@ Import Namespace="System.Data.SqlClient" %> <script language="vb" runat="server"> sub Page_Load(sender as Object, e as EventArgs) Dim sqlConn As New SqlConnection("Data Source=winsqlus04.1and1.com;Initial Catalog=db28765269;User Id=dbo2765469;Password=ByhgstfH;") Dim myCommand As SqlCommand Dim dr As SqlDataReader Dim FILENAME as String = Server.MapPath("Output4.txt") Dim objStreamWriter as StreamWriter ' If Len(Dir$(FILENAME)) > 0 Then Kill(FILENAME) objStreamWriter = File.AppendText(FILENAME) Try sqlConn.Open() 'opening the connection myCommand = New SqlCommand("SELECT id, title, CONVERT(varchar(10), expirydate, 120) AS [expirydate],CONVERT(varchar(10), creationdate, 120) AS [createdate] from tblContact where flag = 0 AND ACTIVE = 1", sqlConn) 'executing the command and assigning it to connection dr = myCommand.ExecuteReader() While dr.Read() objStreamWriter.WriteLine("JobID: " & dr(0).ToString()) objStreamWriter.WriteLine("JobID: " & dr(2).ToString()) objStreamWriter.WriteLine("JobID: " & dr(3).ToString()) End While dr.Close() sqlConn.Close() Catch x As Exception End Try objStreamWriter.Close() Dim objStreamReader as StreamReader objStreamReader = File.OpenText(FILENAME) Dim contents as String = objStreamReader.ReadToEnd() lblNicerOutput.Text = contents.Replace(vbCrLf, "<br>") objStreamReader.Close() end sub </script> <asp:label runat="server" id="lblNicerOutput" Font-Name="Verdana" />

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  • Is it OK to use WPF assemblies in a web app?

    - by Chris
    I have an ASP.NET MVC 2 app targeting .NET 4 that needs to be able to resize images on the fly and write them to the response. I have code that does this and it works. I am using System.Drawing.dll. However, I want to enhance my code so that not only am I resizing the image, but I am dropping it from 24bpp down to 4bit grayscale. I could not, for the life of me, find code on how to do this with System.Drawing.dll. But I did find a bunch of WPF stuff. This is my working/sample code (runs in LinqPad). // Load the original 24 bit image var bitmapImage = new BitmapImage(); bitmapImage.BeginInit(); bitmapImage.UriSource = new Uri(@"C:\Temp\Resized\18_appa2_015.png", UriKind.Absolute); //bitmapImage.DecodePixelWidth = 600; bitmapImage.EndInit(); // Create the destination image var formatConvertedBitmap = new FormatConvertedBitmap(); formatConvertedBitmap.BeginInit(); formatConvertedBitmap.Source = bitmapImage; formatConvertedBitmap.DestinationFormat = PixelFormats.Gray4; formatConvertedBitmap.EndInit(); // Encode and dump the image to disk var encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(formatConvertedBitmap)); using (var fileStream = File.Create(@"C:\Temp\Resized\18_appa2_015_s2.png")) { encoder.Save(fileStream); } It uses System.Xaml.dll, WindowsBase.dll, PresentationCore.dll, and PresentationFramework.dll. The namespaces used are: System.Windows.Controls, System.Windows.Media, and System.Windows.Media.Imaging. Is there any problem using these namespaces in my web application? It doesn't seem right. If anyone knows how to drop the bit depth without all this WPF stuff (which I barely understand, BTW) I would be thrilled to see that too.

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  • How to upload a file from iPhone SDK to an ASP.NET vb.net web form using ASIFormDataRequest

    - by user289348
    Download http://allseeing-i.com/ASIHTTPRequest/. This works like a charm and is a good wrapper and handles things nicely. The make the request this way to the asp.net code listed below. Create a asp.net webpage that has a file control. IPHONE CODE: NSURL *url = [NSURL URLWithString:@"http://YourWebSite/Upload.aspx"]; ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url]; //These two must be added. ASP.NET Looks for them, if //they are not there in the request, the file will not upload [request setPostValue:@"" forKey:@"__VIEWSTATE"]; [request setPostValue:@"" forKey:@"__EVENTVALIDATION"]; [request setFile:@"PATH_TO_Local_File_on_Iphone/file/jpg" forKey:@"fu"]; [request startSynchronous]; This is the website code <%@ Page Language="VB" AutoEventWireup="false" CodeFile="Upload.aspx.vb" Inherits="Upload" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:FileUpload ID="fu" runat="server" EnableViewState="False" /> </div> <asp:Button ID="Submit" runat="server" Text="Submit" /> </form> </body> </html> //Code behind page Partial Class Upload Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim tMarker As New EventMarkers If fu.HasFile = True Then 'fu.PostedFile fu.SaveAs("E:\InetPub\UploadedImage\" & fu.FileName) End If End Sub End Class

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  • jQuery UI dialog on ASP.NET page (inside user control)

    - by marc_s
    I have a really odd behavior here: I created a little popup dialog in jQuery UI, and in my test HTML page, it works flawlessly. When I click on the button, the popup comes up, covers the background, and remains on screen until I click on one of the two buttons (OK or Cancel) provided. So now I wanted to add this into my ASP.NET 3.5 app. I wanted to add it to a GridView inside a user controls (ASCX), which is on a page (ASPX) contained inside a master page. The jQuery 1.4.2 and jQuery UI 1.8.1 scripts are referenced on the master page: <body> <form id="XXXXXX" runat="server"> <Ajax:ScriptManager ID="masterScriptManager" runat="server" ScriptMode="Auto"> <Scripts> <asp:ScriptReference Path="~/Scripts/jquery-1.4.2.min.js" /> <asp:ScriptReference Path="~/Scripts/jquery-ui-1.8.1.custom.min.js" /> </Scripts> </Ajax:ScriptManager> I had to change this to use the Ajax script manager, since adding them to the as never worked. So in my gridview, I have a column with image buttons, and when the user clicks on those, I am calling a little javascript function to show the jQuery UI dialog: function showDialog() { $("#dlg-discount").dialog('open'); $("#txtAmount").focus(); } When I run this page in MS IE 8, I get a separate page, and at the top of the page, I get the contents of my , with proper background color and all. In Firefox 3.5.6, I do get the dialog as a popup. In both cases, the dialog page/popup disappears again after a second or less - without me clicking anything! It seems similar to this question but the solution provided there doesn't work in my case. This one here also seems similar but again: the solution presented doesn't seem to work in my case... Any ideas / hints / tips on what the h** is going on here?? Thanks!

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  • Consuming SAP Web Service from ASP.Net

    - by mehmet6parmak
    Hi, Next week i am supposed to develop an asp.net application which will connect to SAP, retrieve some data, change them and send back to SAP. We decided to use web services to achieve this and now i just want to know what diffuculties may i face with? I have URL of WSDL of the Web Service, will it be enough for me to adding web reference and giving the WSDL's URL? How will i authenticate? And Will it be the same with consuming normal web services? Also i wonder is there anybody that can share a .NET dll that can be used in visual studio 2008? There are some articles relating how to create such a dll using SAP .Net Connector and visual studio 2003 but i could not find anybody sharing the resulting dll under their post. Thanks...

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  • why does windows authentication / impersonation fail on asp.net application with iis 7.5 / windows 7

    - by velvet sheen
    hi there; i'm troubleshooting why i cannot get past the login dialog on an asp.net site configured for windows authentication and impersonation. help me before i switch to os x development and objective-c i have an asp.net 2.0 application and i'm trying to deploy it on windows 7 with iis 7.5. i've created a new site, and bound it to localhost and a fully qualified domain name. the fqdn is in my hosts file, and is redirected to 127.0.0.1 the site is also running with an appdomain i created, with integrated pipeline mode, and the process model identity is set to ApplicationPoolIdentity. web.config includes the following: <trust level="High" /> <authentication mode="Windows" /> <authorization> <deny users="?"/> </authorization> <identity impersonate="true"/> acl on the directory for the site is desperation set to everyone full control, the application pool virtual account (windows 7 thing) is set to full control on the physical directory for the site also. iis authentication has asp.net impersonation enabled, and windows authentication enabled. when i connect to the site as localhost, it permits me to get past the login prompt and the application loads without incident. when i connect to the site as the fqdn set in the host headers bindings for this site/ip/port, i cannot get past the login prompt. clicking cancel throws to a http 401.1 error page. why? thanks very much in advance.

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  • Using Multiple TinyMCE Packages in a web site asp.net

    - by ProgNet
    Hi all, I got a detailed answer to my previous question about TinyMCE editor (link text) The answer raised a new question . In case I want to use more then one TinyMCE package in my ASP.Net Project For example to use the Development Package and the .Net Package(Or use the Development Package , the .Net Package and the JQuery Package ). what steps do I need to take to include them in my solution? In TinyMCE web site Installation page ( wiki.moxiecode.com/index.php/TinyMCE:Installation ) they wrote : "You should extract TinyMCE in your wwwroot or site domain root folder." But the problem is all the different packages unzip to the same folder name that is tinymce. There can't be more then one folder with the tinymce name in the site domain root folder. (files will be overwritten) Of course I can rename them for example to TinyMCEDev and TinyMceDotNet ,but what about code redundancy issues etc ? Thanks

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  • Silverlight/.Net RIA Services - Authorization Working Sample!??!

    - by Goober
    Hello! I have followed numerous tutorials and walkthroughs/blogs about the capabilities that Ria Services brings to the table when using Silverlight with ASP.Net. Essentially I am looking for a live working example of the authorization functionality that Ria Services can apparently take hold of from ASP.Net. (Even better if it works with ASP.NET MVC too) Example of failed to work Ria Services authorization implementation Navigate to the live demo link on this page....fails This one may work however I couldn't get it to work on my office computer(strange setup that seems to break code for no reason)

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  • Gridview header issue: call event on header

    - by Joris
    Now I got this gridview, And I need the headers to be clickable, whereafter an event starts (something like OnClickHeader="header_ClickEvent"?) Ofcourse there is a SortExpression element, which enables to sort the grid, but I want to be able to start any event, like when clicking a button. I could not find any solution within the asp:BoundField nor asp:TemplateField... I thought a hyperlink could solve the problem, but that was a bit premature. Also, when using a TemplateField, I find it very hard to fill the column with data. Could anyone bring me the solution? The Gridview: <asp:GridView CssClass="gridview" ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="Student_key" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" PagerSettings-Visible="false" PageSize="14"> <HeaderStyle CssClass="headerstyle" /> <RowStyle CssClass="rowstyle"/> <AlternatingRowStyle CssClass="altrowstyle" /> <Columns> <asp:BoundField DataField="Studentnumber" HeaderText="Studentnummer" > <HeaderStyle CssClass="header100" /> </asp:BoundField> <asp:BoundField DataField="Prefix" HeaderText="Voorletters" > <HeaderStyle CssClass="header75" /> </asp:BoundField> <asp:BoundField DataField="prename" HeaderText="Voornaam" SortExpression="Voornaam"> <HeaderStyle CssClass="header75" /> </asp:BoundField> <asp:BoundField DataField="nickname" HeaderText="Roepnaam" > <HeaderStyle CssClass="header100" /> </asp:BoundField> <asp:BoundField DataField="insertion" HeaderText="Tussenvoegsel" > <HeaderStyle CssClass="header100" /> </asp:BoundField> <asp:BoundField DataField="surname" HeaderText="Achternaam"> <HeaderStyle CssClass="header100" /> </asp:BoundField> <asp:CommandField SelectText="show results" ShowSelectButton="True" > <HeaderStyle CssClass="header100" /> </asp:CommandField> </Columns> <EmptyDataTemplate >There are no results shown, please try again.</EmptyDataTemplate> </asp:GridView>

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