Filling a DataTable or DataSet the Quick Way

Published 18 years ago

In .NET 1.x filling a DataSet or a DataTable meant quite some work. You needed to create a Connection object, a DataAdapter and optionally a Command object. Then you had to call the Fill method on the DataAdapter and pass it a newly created DataSet or DataTable.

In .NET 2.0, this code model has been simplified, thanks to the Load method on the DataTable and DataSet classes that takes an IDataReader as a parameter.

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How Do I Insert a Null Value in an Access Database?

Published 20 years ago

When you need to insert a null value into a column in an Access database, you could use "" to indicate a zero-length string. However, a zero-length string is not the same as Null. To insert a Null value, simple pass the keyword Null for the column, as shown in the code example.

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ADO Connection and Recordset

Published 20 years ago

This simple snippet demonstrates how to create and setup an ADO Connection to retrieve and display information from a database.

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