Delete a record in Data grid View

I have added a data grid view in Asp page, data is retrieved from the sqlserver2005 and its showing in data grid view, even i have made the auto-generate-delete as TRUE in the properties but when i run the page and click on delete button its showing error.

plz give me some solution

Thanks, Churchil开发者_高级运维l

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Inserting, Updating, and Deleting Data with the SqlDataSource

need to generated delete statement when creating data source.