protected void btn_update_Click(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(txtDate1.Text)) { txtDate1.Text = null; } db.Insertupdate(Session["pid"].ToString(), Session["PatientIE_ID"].ToString(), Session["MCODE"].ToString(), txtDate1.Text, txtDate2.Text, txtDate3.Text, Session["BodyPart"].ToString()); db.logDetailtbl(Convert.ToInt32(HttpContext.Current.Session["log_id"].ToString()), "Data Updated", Convert.ToString(System.DateTime.Now)); ScriptManager.RegisterClientScriptBlock(this, GetType(), "none", "<script>close_window();</script>", false); }