calling client side event on button click in GridView

I need to call a javasript function when a button is clicked 开发者_如何转开发in my GridView. Is it possible to do this, and if so does somebody have an example?

  <asp:TemplateField>
       <asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="javascript:alert('hello');" />
   </asp:TemplateField>