Justin Cooney

Web Development Tips and Examples

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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: ASP.NET

  • Generating GUIDs in .NET

    GUIDs are useful tools for .NET developers and Windows developers in general. If you need a unique value for your code, then a GUID (Globally Unique Identifier) is one of the best ways to go. One thing to keep in mind when working with GUIDs is that there is always a chance of getting a…

  • InvalidCastException – Failed to convert parameter value from a XmlDocument to a String

    If you are working with XML data types in your .NET and SQL Server code, then you will most likely encounter this error message at some point. Specifically, this error is related to improperly passing an XML value as a SQLParameter to your database. Since most of the work one does with XML in .NET…

  • The ASP.NET Dictionary Object

    I have been working with ASP.NET collections and thought a more detailed look into one of the most useful classes also know as the Dictionary collection object is in order. To review: the Dictionary class is part of the System.Collections.Generic Namespace. If you haven’t already, then it’s worth having a look at the list of collections contained…