find textbox control inside gridview header template on page load

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<asp:GridView ID="GridView1" PageSize="5" OnPageIndexChanging="GridView1_PageIndexChanging" EnableModelValidation="true" OnRowEditing="GridView1_RowEditing" AutoGenerateColumns="False" runat="server" AllowPaging="True" ShowHeaderWhenEmpty="True" AllowSorting="True" DataKeyNames="Id" OnRowUpdating="GridView1_RowUpdating" OnRowDataBound="GridView1_RowDataBound" BackColor="#CCCCCC" BorderColor="#999999" BorderStyle="Solid" BorderWidth="3px" CellPadding="4" CellSpacing="2" ForeColor="Black">
                       <Columns>
                           <asp:TemplateField HeaderText="ID">
                               <HeaderTemplate>
                                   <asp:TextBox ID="txtid"  runat="server" CssClass="search_textbox" placeholder="Id"></asp:TextBox>
                               <asp:LinkButton ID="lnkbtnid" runat="server" Text="Id" ForeColor="White"></asp:LinkButton>
                               </HeaderTemplate>
                               <ItemTemplate>
                                   <asp:Label ID="lblcustid" runat="server" Text='<%#Eval("Id") %>'></asp:Label>
                               </ItemTemplate>

                           </asp:TemplateField>

I want to find header template textbox control on page load

Posted 7-Sep-14 21:39pm

sureshsharma123

Updated 7-Sep-14 21:40pm

v2

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Comments

Sinisa Hajnal 8-Sep-14 4:16am

Server or client side? that is, do you need it in the code behind or in some javascript / jQuery function?

Tejas Vaishnav 8-Sep-14 4:38am

What you want to do, after getting access to that text box, you need to place any text on it or any thing else.

sureshsharma123 8-Sep-14 5:41am

place a value by querystring

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_Amy · Answer 1 · 2014-09-07T23:58:00

Solution 2

Try this:

C#

foreach(GridViewRow gdv in GridView1.Rows){
     if (gdv.RowType == DataControlRowType.Header)
     {
         //Find the control here.
         TextBox txt = (TextBox)gdv.HeaderRow.FindControl("txt");
     }
}

--Amy

Posted 7-Sep-14 23:58pm

_Amy