protected void btnReleaseSession_Click(object sender, EventArgs e) { DALSchedule obj = new DALSchedule(); DataTable dt = obj.BlockSeat(Convert.ToInt32(txtSessionId.Text.Trim()), "", 0, "E"); if (dt != null && dt.Rows.Count > 0) { if (dt.Rows[0][0].ToString() == "succcess") { ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Selected Session is enabled successfully. ')", true); } else { ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Session is not enabled, please try again.')", true); } } txtSessionId.Text = ""; lblCounter.Text = ""; lblSource.Text = ""; lblDes.Text = ""; lblMode.Text = ""; lblDate.Text = ""; lblFare.Text = ""; ddlSeats.Items.Clear(); UpdatePanel1.Update(); }