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  • how to know the record I want to query doesn't exist via LINQ?

    Hi all: for example: testDataContext db=new testDataContext(); var res=db.tables.single(p=>p.columnName=="hi"); if there is a record in the database, it works well, but if there isn't , it will throw an exception, then , How could I know the record exists or not ? I don't think exception...
    Posted to SQL Server, SQL Server Express, and SqlDataSource Control (Forum) by Moosdau on 08-13-2007, 12:00 AM
    Filed under: Orcas, .NET 3.5, .NET, VS2008, linq, 3.5

  • MSDataSetGenerator failed

    I added a query to a table adapter in the dataset designer. The query I added didn't show up on the designer. I tried to build the project and got the following error message. Custom tool error: Failed to generate code. Failed to generate code. Object reference not set to an instance of an object...
    Posted to Visual Studio 2008 (Forum) by White Bread on 01-10-2008, 12:00 AM
    Filed under: .NET 3.5, ASP.NET, .NET, VS2008, 3.5, Visual Studio 2008, ASP.NET 3.5, vs2008 internationalization, .net framework 3.5

  • Error After Targeting .NET Framework 3.5: Child Nodes Not Allowed

    I have recently switched over to VS 2008, and at first I was just continuing to target the 2.0 framework. I thought I would try to make the switch to 3.5, and changed all the projects in my solution to target it. It modified the web.configs of the sites to include a system.codedom section. The problem...
    Posted to Visual Studio 2008 (Forum) by Cal Zant on 02-04-2008, 12:00 AM
    Filed under: .NET, .NET 3.5, .net framework 3.5, 3.5, ASP.NET 3.5, converting 2.0 to 3.5 iis 7, Vista, vista 64-bit, vista vs2008, Vistaisual Studio 2008, Visual Studio 2008, visual Studio 2008 custom provider bug, vs 2008, iis7

  • VS2008 / DotNet Framework 3.5

    On a Win XP Pro system, I created a Web Application Project in VS2008 with 3.5 target. Using a setup project I have deployed it on a Win2003 Server. Even though the project was developed in 3.5, in WIN2003 IIS only shows DotNet 1.1 and 2.0 as my choices for the website. I have installed DotNet 3.0 and...
    Posted to Configuration and Deployment (Forum) by zulu5255 on 02-25-2008, 12:00 AM
    Filed under: .NET 3.5, .NET, VS2008, 3.5, ASP.NET 3.5, vs 2008, .net framework 3.5, VS 2008 VisualStudio 2008 VisualStudio 2005 SQL Snippets support doesn't, Viisual Studio 2008, VS 20008, VS 2008 professional, asp.net configuration

  • ddlProposalTypes' has a SelectedValue which is invalid because it does not exist in the list of items.

    PPDataContext db = new PPDataContext(); db.ObjectTrackingEnabled = false ; var eventTypes = from et in db.PP_Event_Types orderby et.SORT_ORDER, et.TITLE select new { eventType = et.EVENT_TYPE, title = et.TITLE }; ddlProposalTypes.DataSource = eventTypes; ddlProposalTypes.DataValueField = "eventType"...
    Posted to Web Forms (Forum) by irbanjit on 03-06-2008, 12:00 AM
    Filed under: .net, ASP.NET 3.5, .NET 3.5, linq liqdatasource, LinqDataSource, .net framework 3.5, 3.5, linq, VS2008 VS 2008 EXECUTABLE SIZE, linq to sql

  • Re: ASP.NET 3.5?

    Greetings, The next version of ASP.NET should indeed be 3.5. For a little more info, check out this post by ScottGu: http://weblogs.asp.net/scottgu/archive/2007/07/26/vs-2008-and-net-3-5-beta-2-released.aspx Thanks, Russ
    Posted to Visual Studio (Orcas) Beta and CTP Releases (Forum) by russnem on 08-12-2007, 12:00 AM
    Filed under: .NET 3.5, ASP.NET, .NET, VS2008, 3.5, vs2008 beta2

  • Sorting in a ASP.NET Listview Control

    Hi everybody, Can anyone suggest me with an article/ resource for mastering sorting mechanism(custom sorting) in ASP.NET ListView control? I would be very grateful for this help. Its very urgent. Thanks Kiran Pedda.
    Posted to Data Presentation Controls (Forum) by kiranreddy0817 on 04-22-2008, 12:00 AM
    Filed under: .ASPX, .net, 3.5, advanced, ASP .net ... c# ... javascript
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