Unable To Edit The Details In Gridview

Mar 26, 2010

I am nt able to edit the details in gridview. When i click on Edit link(Command Field), row editing event is fired but when i click on update link , row editing event is fired again and update event is not getting fired at all.

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[Code]....

error message:

Cannot perform '=' operation on System.Int32 and System.String. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

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[Code]....

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Here is the code behind

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[Code]....

[Code]....

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[Code]....

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[Code]....

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[Code]....

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[Code]....

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[Code]....

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[Code]....

[Code]....

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[Code]....

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Here is my code Behind:

[Code]....

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