My problem is to declare a parameterKey in vb code..what should i declare thisKey? Please help me..

Here is the relevant parts of my SQLDataSource generated HTML:

<aspqlDataSource ID="SqlDataKeyword" runat="server" ConflictDetection="CompareAllValues" ConnectionString="<%$ ConnectionStringsoccerConnectionString %>"
SelectCommand="SELECT keyid, contestName FROM tblKeyword WHERE (keyid <> @Key) ">
<SelectParameters>
<asp:QueryStringParameter DefaultValue="" Name="Key" QueryStringField="Key" />
</SelectParameters>