protected override void OnPreRender(EventArgs e) { base.OnPreRender(e); //DataTable sourceorder = DataHelper.GetDataFromTable("SELECT Order_ID FROM Main_Order WHERE Order_Status=0"); //if (sourceorder.Rows.Count > 0) // imgOrder.Visible = true; //else imgOrder.Visible = false; DataTable sourcemail = DataHelper.GetDataFromTable("SELECT Mail_ID FROM Main_Mail WHERE Mail_Answer=0"); if (sourcemail.Rows.Count > 0) { imgMail.Visible = true; } else { imgMail.Visible = false; } DataTable source = ErrorReportDB.GetAll();//DataHelper.GetDataFromTable("Main_ErrorReport", "", ""); if (source.Rows.Count > 0) { imgError.Visible = true; } else { imgError.Visible = false; } }