<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"

DataSourceID="SqlDataSource1">

<Columns>

<asp:TemplateField HeaderText="StudentNumber">

<ItemTemplate>

<asp:CheckBox ID="snc" runat="server" Text='<% #DataBinder.Eval(Container.DataItem,"snumber") %>' />

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField DataField="sname" HeaderText="sname" SortExpression="sname" />

</Columns>

</asp:GridView>

The templatefield class is used to display custom content for each record displayed.

The DataBinder.Eval method is used to evaluate data-binding expressions at run time.