从连接触发删除事件

前台代码：

Code
1<asp:LinkButton  ID="Delete" Text ="删除" runat ="server" CommandName="Delete" CommandArgument ='<%#Eval("ID","{0}") %>' 
2                        OnCommand="Delete_OnClick"/>

后台代码：

    protected void Delete_OnClick( object sender, CommandEventArgs ce )
    {
        
        try
        {
            rt.Delete( int.Parse (ce.CommandArgument .ToString ()) );
            if ( int.Parse( Session["GVState"].ToString( ) ) < 0 )
            {
                Session["GridView"] = rt.select( );
                GridView1.DataSource = rt.select( );
                GridView1.DataBind( );
            }
            else
            {
                Session["GridView"] = rt.select( txtKey.Text, cbIsInPos.Checked, FilePath );
                GridView1.DataSource = rt.select( txtKey.Text, cbIsInPos.Checked, FilePath );
                GridView1.DataBind( );
            }
        }
        catch ( Exception ex )
        {
            txtErrorMessage.Text = ex.Message;
        }
    }