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Validator question

I have a custom CustomValidator that is validates a text box inside a gridview for edit mode.
The Validator calls a C# function for validation in the code behind file.
What i want is to be able to tell if the text in the text box has changed.
I wasn't able to find any way to compare or check if it had been changed.
Is there a way to compare an old and new value?
Mar 12 '08 #1
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