C# - Adding .NET Namespaces Automatically?

May 26, 2010

I need to add this namespace to my c# file:

using System.Data;

Is there a way to automatically add this to newly created pages in c#.net?

I don't want to add this namespace to new pages.

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Code:
Dim DOC1 As New XmlDocument
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The error I get is:

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Data at the root level is invalid. Line 1, position 1.
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See the page [URL].

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I have the following code:

[Code]....

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[code]....

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I keep getting the error: Error message: CS0101: The namespace '<global namespace>' already contains a definition for 'checkvalue'. Then, I rename the Inherits from the @page directive in both the .aspx and .aspx.cs pages and it works! My website has only 2 pages, and both use the same class (same class name, exactly same syntax) but it has been copied and pasted and the 2 aspx pages (and aspx.cs pages) are not referencing each other. In other words, both aspx.cs pages (called page1.aspx.cs and page2.aspx.cs) has the class

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and my code behind

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and for my second page

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and my code behind

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I don't use the .resx file. Why does this error happen some times, and not other times?

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