du kan gøre det på denne måde:
%@ Page Language="C#" %>
<html>
<head id="Head1" runat="server">
<title>GridView Bound Fields</title>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" DataSourceID="SqlDataSource1" AutoGenerateColumns="False"
runat="server">
<Columns>
<asp:BoundField HeaderText="ID" DataField="au_id" ReadOnly="true" />
<asp:BoundField HeaderText="Last Name" DataField="au_lname" />
<asp:BoundField HeaderText="First Name" DataField="au_fname" />
<asp:BoundField HeaderText="Phone" DataField="phone" />
<asp:BoundField HeaderText="Address" DataField="address" />
<asp:BoundField HeaderText="City" DataField="city" />
<asp:BoundField HeaderText="State" DataField="state" />
<asp:BoundField HeaderText="Zip Code" DataField="zip" />
<asp:CheckBoxField HeaderText="Contract" DataField="contract" />
<asp:ButtonField Text="btn" ButtonType="Button" CommandName="test" />
<asp:TemplateField>
<ItemTemplate>
<asp:Button Text="testntm" runat="server" CommandName="etellerandet" OnClick="test" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
SelectCommand="SELECT [au_id], [au_lname], [au_fname], [phone], [address], [city], [state], [zip], [contract] FROM [authors]"
ConnectionString="<%$ ConnectionStrings:Pubs %>" />
</form>
</body>
</html>
