protected void btnDelete_Click(object sender, EventArgs e) { CNNo = Convert.ToInt32(txtCnno.Text.Trim()); CreditNote obdelcn = new CreditNote(); obdelcn.strFY = Convert.ToInt32(strFY); obdelcn.CNNo = CNNo; obdelcn.DeleteCN(); MessageBox("CNNo. " + CNNo + " Deleted"); grdcn.DataBind(); PnlPrint.Visible = false; btngetcust1(); }