Asp.net in gridview using c#

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ASP.NET

In gridview Header Template can set in Filter Parameters in search for TextBox1 in bind values in gridview.

For Example_1

<HeaderTemplate>
<asp:Label ID="Label14" runat="server" Text="StatusId"></asp:Label>
<br />
 <asp:TextBox ID="TextBox9" runat="server"></asp:TextBox>
   </HeaderTemplate>

It's working

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:printapp_apr_2ConnectionString %>" SelectCommand="gridFill" FilterExpression="(fileName like '{0}%' or '{0}' ='-1') AND (fileDetails like '{1}%' or '{1}' ='-1') AND (createdOn='{2}' or '{2}'='-1') AND (statusName ='{3}' or '{3}' ='-1') " SelectCommandType="StoredProcedure">
   <FilterParameters>
   <asp:ControlParameter Name="fileName" ControlID="TextBox6" PropertyName="Text" Type="String" DefaultValue="-1" />
   <asp:ControlParameter Name="fileDetails" ControlID="TextBox7" PropertyName="Text" Type="String" DefaultValue="-1" />
     <asp:ControlParameter Name="createdOn" ControlID="TextBox8" PropertyName="Text" Type="String" DefaultValue="-1" />
     <asp:ControlParameter Name="statusName" ControlID="DropDownList1" PropertyName="SelectedValue" Type="String" DefaultValue="-1" />
   </FilterParameters>
</asp:SqlDataSource>

Can able to use in HeaderTemplate in filterParameters in gridview in textbox...

<pre><HeaderTemplate Name="fileName" ControlID="TextBox6" PropertyName="Text" Type="String" DefaultValue="-1" />

there any possible to search in HeaderTemplate in gridview