protected void ddlRoomNo_SelectedIndexChanged(object sender, EventArgs e) { try { if (ddlRoomNo.SelectedItem.Value != "0") { DropDownList ddlPropertyName = (DropDownList)Master.FindControl("ddlProperty"); string PropertyName = ddlPropertyName.SelectedItem.Text; string PropertyVale = ddlPropertyName.SelectedValue; SqlDataReader sdr = uc.GetBedType(PropertyVale, ddlRoomNo.SelectedItem.Text); if (sdr.HasRows) { if (sdr.Read()) { txtRoomType.Text = sdr["r_BedsText"].ToString(); Session["bedValue"] = sdr["r_BedsValue"].ToString(); } } sdr.Close(); } } catch (Exception ex) { string text = ex.Message.ToString(); ScriptManager.RegisterStartupScript(this, typeof(Page), "Warning", "<script>showpoperror('" + text + "')</script>", false); } }