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In the Wrox United example website that comes with the book, ASP.NET 2.0 Beginner, on the Match Reports page a selectable field called 'More Details' has been implemented. On selecting this field the match report is displayed.
<asp:CommandField ShowSelectButton="True" SelectText="More Details"></asp:CommandField>
This field is always displayed whether a match report has been written or not. Is there a way of only displaying this field if a match report has been written? Presumeably I would have to check for Fixture Id in the Match Reports Table but not sure how to tie this to the command field.
I don't know the article, nor do I have time to read it, but I do know that you can convert the field to a template field, then handle the OnRowDataBound event. In the event you can hide the buttons if the fixture ID is NULL.