<asp:Repeater ID="Repeater1" runat="server" 
  onitemcommand="Repeater1_ItemCommand">
  <ItemTemplate>
 <table width="100%" border="1" cellpadding="0" cellspacing="0">
   <tr>
　　　　　　　　　　　　　　 <td style="width: 15%;" class="style2">
   <%#Eval("E_Name")%>
 </td>
 <td>
 　　<asp:ImageButton ID="ImageButton1" runat="server" CommandName="JustEdit" ImageUrl="~/icon./edit.gif" CommandArgument=<%#Eval("E_ID")%>/>
 　　<asp:ImageButton ID="btn_del" runat="server" CommandName="JustDelete" ImageUrl="~/icon./del.gif" OnClientClick="return confirm('确认删除？')"
 　　　　CommandArgument=<%#Eval("E_Id")%> />
 </td>
   </tr>
 </table>
  </ItemTemplate>
</Repeater>

protected void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
{
    Int32 eid = Convert.ToInt32(e.CommandArgument.ToString());//获取E_ID的值
    if (e.CommandName == "JustDelete")
    {
      
      BLL_Emp bll = new BLL_Emp();
      bll.Delete(eid);
      Server.Transfer("~/emp/Employee.aspx");//刷新
    }
    else if (e.CommandName == "JustEdit")
    {
      Response.Redirect("~/emp/UpdateEmployee.aspx?E_Id=" + eid.ToString() + "&C_Id=" + Request.QueryString["C_Id"].ToString());
    }
}