Justin Cooney

Web Development Tips and Examples

about

I am a Senior Applications Programmer / Analyst with years of experience developing enterprise solutions using the Microsoft technology stack including C#, VB.NET, ASP.NET, AJAX, IIS and SQL Server. I specialize in Web application development with a focus on building secure systems, integrating applications, and designing robust database structures.

Category: .Net

ASP.NET Error – Adding the specified count to the semaphore would cause it to exceed its maximum count

2012-08-13

If you are working with ASP.NET in Visual Studio, then you may be mystified when you see an error code : Adding the specified count to the semaphore would cause it to exceed its maximum count. This error had me wondering what exactly is going on…
Set up a Multi-Line Editable GridView Disassociated from a DataSource

2012-07-17

GridView controls are versatile multi-purpose ASP.NET widgets. I like the default functionality when hooked up to a data source, but depending on a project’s requirements I also like the ability to tweak the default functionality to make the GridView behave in different ways. For example, in past projects users have asked me to create a more…
Using an XMLDataSource with a DropDownList Control

2012-07-13

If you work a lot with ASP.NET then it’s likely that at some point or another you will ask yourself how to hook up an XML Data Source with a DropDownList control. This just makes sense if you want to manage your drop-downs from a file rather than from a database, and carries a range…

recent posts

about

Category: .Net

ASP.NET Error – Adding the specified count to the semaphore would cause it to exceed its maximum count

Set up a Multi-Line Editable GridView Disassociated from a DataSource

Using an XMLDataSource with a DropDownList Control