Datagrid 中的图片使用

<asp:TemplateColumn SortExpression="Blocked">
<ItemTemplate>
<HLControls:Image id="imgBlocked" ImageUrl= '<%#"../images/"+DataBinder.Eval(Container.DataItem,"Blocked")+".bmp"%>' runat="server" >
</HLControls:Image>
</ItemTemplate>

<asp:TemplateColumn>
<ItemTemplate>
<img src="<%=Request.ApplicationPath%>/images/warning.gif" onclick='javascript:var productnotes="<%#DataBinder.Eval(Container.DataItem,"ProductNote")%>"; alert(productnotes);'
style='cursor:hand;display:<%#DataBinder.Eval(Container.DataItem,"ProductNote")==""?"none":""%>'/>
</ItemTemplate>
<FooterTemplate>
<IMG style="CURSOR: hand" onclick=javascript:ShowReference(); src="<%=Request.ApplicationPath%>/images/reference.gif">
</FooterTemplate>
</asp:TemplateColumn>