how can i have this griedview show in page while runing withot binding to db

---------------This is Griedview----------------i need to show it in run page for demo without binding to database

<asp:GridView ID="contactgrdview" runat ="server" AutoGenerateColumns="false" AllowPaging ="true">
<Columns>

<asp:BoundField DataField="username" HeaderText="Name" />
<asp:BoundField DataField ="Mobile" HeaderText ="Mobile-No" />

<asp:TemplateField HeaderText ="Select">

<ItemTemplate >
<asp:CheckBox ID="CheckBox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>