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POAdding ControlParameter to SqlDataSource prevents query and databinding?
 

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    <p>I have a SqlDataSource that calls a stored procedure and it works fine. If I add a <code>&lt;ControlParameter&gt;</code> tag to add an additional argument, then the query never fires and the databinding never occurs. Suggestions?</p> <p><strong>This works</strong>:</p> <pre><code>&lt;asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="&lt;%$ ConnectionStrings:DefaultDB %&gt;" SelectCommand="SP_WHATEVER" SelectCommandType="StoredProcedure" UpdateCommand="SP_WHATEVER2" UpdateCommandType="StoredProcedure"&gt; &lt;SelectParameters&gt; &lt;asp:SessionParameter DefaultValue="" Name="UserName" SessionField="RP_Program" Type="String" /&gt; &lt;/SelectParameters&gt; &lt;UpdateParameters&gt; &lt;snip...&gt; &lt;/UpdateParameters&gt; &lt;/asp:SqlDataSource&gt; </code></pre> <p><strong>When I add the ControlParameter, the databinding no longer occurs</strong>:</p> <pre><code>&lt;asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="&lt;%$ ConnectionStrings:DefaultDB %&gt;" SelectCommand="SP_WHATEVER" SelectCommandType="StoredProcedure" UpdateCommand="SP_WHATEVER2" UpdateCommandType="StoredProcedure"&gt; &lt;SelectParameters&gt; &lt;asp:SessionParameter DefaultValue="" Name="UserName" SessionField="RP_Program" Type="String" /&gt; &lt;asp:ControlParameter Name="SprocArgName" ControlID="ddlFilter" PropertyName="SelectedValue" Type="String" /&gt; &lt;/SelectParameters&gt; &lt;UpdateParameters&gt; &lt;snip...&gt; &lt;/UpdateParameters&gt; &lt;/asp:SqlDataSource&gt; </code></pre> <p>The ControlParameter refers to a valid object on the page. Any other suggestions?</p>
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