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dbnull

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Working with null values in the .NET Framework: Dealing with null or nonexistent data in application development can be tricky. Tony Patton takes a closer look at working with null values within the .NET Framework. One of the trickier aspects of application development is dealing with null or nonexistent data. It gets ...; Tags: Microsoft .NET Framework, Microsoft Visual Basic.Net, Tony Patton, sTest, Console.WriteLine, DBNull, C#, .NET, Microsoft development tools, Programming languages, .NET Newsletter, TechRepublic Inc., Value, Keyword, System Namespace, Software Development, Software/Web Development, Development Tools; Technical articles 2005-06-29
Working with null values in the .NET Framework: One of the trickier aspects of applicationdevelopment is dealing with null or nonexistent data. It getscomplicated when the application expects a data value and getsnothing or unexpected values; that's when you must perform codingthat properly handles these situations to avoid applicationfailure. This requires a close examination of the data wherever...; Tags: DBNull, Microsoft .NET Framework, Microsoft Visual Basic.Net, sTest, Tony Patton, Value at Risk; Technical articles 2005-06-29

Save time and prevent coding headaches with nullable types in C-sharp 2.0: Oneheadache for C# developers before C#2.0 was the inability to assign a null value to certain types. Forinstance, if you declared an int, you could never set that variable to a null value. Thesame held true for DateTimeobjects. This limitation forced application developers to come up with their own solutionsand...; Tags: GetValueOrDefault, HasValue, nullable type, Value at Risk, Zach Smith; Technical articles 2006-08-03
Question on Images in Access + SQL: I’m using Access + SQL Server to develop a database application, and now need to show pictures in the database. For example, customer can upload a scanned drawing in jpg or bmp format, and the all other users can view the drawing and make their comments.How can I realize this?...; Tags: byte, database, hunter_jn_cn@..., Microsoft Access, Microsoft SQL Server, Null, software, SQL; Q&A 2005-08-08

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