ASP.NET

<asp:gridview id="GridView1" runat="server" autogeneratecolumns="False" width="552px" cellpadding="4" forecolor="#333333" gridlines="None">
<columns>
<asp:templatefield headertext="SUB_ID">
<itemtemplate>
<asp:textbox id="TextBox1" runat="server" text="<%# Bind("sub_ID") %>">



<asp:templatefield headertext="name">
<itemtemplate>
<asp:textbox id="TextBox2" runat="server" text="<%# Bind("sub_name") %>">



<asp:templatefield headertext="Marks">

<itemtemplate>
<asp:textbox id="TextBox3" runat="server">


<asp:templatefield headertext="Marks-II">
<itemtemplate>
<asp:textbox id="TextBox4" runat="server">


<asp:templatefield headertext="MARKS-III">
<itemtemplate>
<asp:textbox id="TextBox5" runat="server">



<footerstyle backcolor="#507CD1" font-bold="True" forecolor="White">
<rowstyle backcolor="#EFF3FB">
<editrowstyle backcolor="#2461BF">
<selectedrowstyle backcolor="#D1DDF1" font-bold="True" forecolor="#333333">
<pagerstyle backcolor="#2461BF" forecolor="White" horizontalalign="Center">
<headerstyle backcolor="#507CD1" font-bold="True" forecolor="White">
<alternatingrowstyle backcolor="White">

      
<asp:button id="Button1" runat="server" text="Button">