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02 May 2009
Solution to the “You tried to assign the Null value to a variable that is not a Variant data type.” Exception

By default the DataSource wizard passes parameters for AutoNumber primary keys. If you are getting this error: You tried to assign the Null value to a variable that is not a Variant data type. Then you need to remove that default parameter. This is what Read More...

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Filed under: solution, asp.net, c#, .net, access

 

13 March 2009
Access Database Membership, Profile, Role and Personalization Providers for ASP.NET

ASP.NET doesn’t ship with Membership, Profile, Role or Personalization providers out of the box.  Imar Spaanjaars has a great article on how to setup a site using the “Sample Access Providers” provided by Microsoft. http://imar.spaanjaars.com/ http://imar.spaanjaars.com/QuickDocId.aspx?quickdoc=404 Read More...

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Filed under: asp.net, c#, .net

 

23 February 2009
Binding Hierarchical DataSets to TreeView Controls

OOB the ASP.NET TreeView control doesn’t support binding to Hierarchical DataSets. Ralph Varjabedian created a HierarchicalDataSet class to help with this.  Read more about it here .   Here’s a snippet…it’s simple to implement: TreeView1.DataSource Read More...

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Filed under: asp.net, c#, .net

 

19 February 2009
How to reuse TreeNodeCollection in Windows Forums apps

I’m creating an app and need the same data set for two tree views. Nodes.AddRange only works with a TreeNode[] and the TreeNodeCollection is read-only and doesn’t have a ctor.   I first tried something like this: TreeNode[] nodes = new TreeNode[treeView1.Nodes.Count]; Read More...

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Filed under: asp.net, c#, .net

 

05 November 2008
PDC Wrapup - My fav sessions

PDC was great this year! Here's a quick list of my favorite sessions of technologies and products that Social Bookmarking will use soon... Stuff we'll use this year: Velocity ADO.NET Data Services Visual Studio 2010 C# 4.0 j Query MVC ASP.NET 4.0 ....Next Read More...

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Filed under: asp.net, c#, .net, clr, pdc2008

 

17 April 2008
Short and Sweet "Silverlight 2.0, LINQ and WCF in 5 Minutes" Video

Download Source This is the first video in my new "Short and Sweet" video series. I'm going to continue with Silverlight, LINQ and WCF path for the series. Please ping me if you have an idea for a future video. This video takes you through the minimum Read More...

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Filed under: asp.net, c#, .net, sql, silverlight, linq, videos