>I have been researching and attempting various methods for the past two days without success. I am fairly new at writing ASP.NET applications, but I would think that it would be relatively simple to grab a value from a grid to store it into a variable that I could use to pass as a querystring to another page. This was simple when using the windows version of the grid.
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I would probably just use the CommandArgument property on the button and store the ID there, ex.

<asp:Button runat="server" id="btnSample" CommandArgument='<%# Eval("NameOfIDField") %' OnClick="btnSample_Click" /> 

Then, inside the handler for the Click event you have access to the CommandArgument.