protected void lbuTab5Save_Click(object sender, EventArgs e)
        {
            if (ddlDegree10.SelectedIndex == 0)
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณาเลือกระดับการศึกษา</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }
            if (tbUnivName10.Text == "")
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณากรอกสถานศึกษา</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }
            if (ddlMonth10From.SelectedIndex == 0 && ddlYear10From.SelectedIndex == 0 && ddlMonth10To.SelectedIndex == 0 && ddlYear10To.SelectedIndex == 0)
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณาเลือกตั้งแต่ - ถึง (เดือน ปี)ให้ถูกต้อง</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }
            if (tbQualification10.Text == "")
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณากรอกวุฒิ</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }
            if (tbMajor10.Text == "")
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณากรอกสาขาวิชาเอก</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }
            if (ddlCountrySuccess10.SelectedIndex == 0)
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>กรุณาเลือกประเทศที่จบการศึกษา</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }

            DateTime dtStudyFrom = new DateTime(int.Parse(ddlYear10From.SelectedValue), int.Parse(ddlMonth10From.SelectedValue), 1);
            DateTime dtStudyTo = new DateTime(int.Parse(ddlYear10To.SelectedValue), int.Parse(ddlMonth10To.SelectedValue), 1);

            if((dtStudyTo - dtStudyFrom).TotalDays < 28)
            {
                notification.Attributes["class"] = "alert alert_danger";
                notification.InnerHtml = "";
                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>กรุณากรอกข้อมูลให้ครบถ้วน</strong></div>";
                notification.InnerHtml += "<div>ตั้งแต่ - ถึง (เดือน ปี) : ช่วงเวลาการศึกษาต้องมากกว่า 1 เดือน</div>";
                return;
            }
            else
            {
                notification.Attributes["class"] = "none";
                notification.InnerHtml = "";
            }

            //เช็ค เลือก ระดับการศึกษาซ้ำ
            using (OracleConnection con = new OracleConnection(DatabaseManager.CONNECTION_STRING))
            {
                con.Open();
                using (OracleCommand com = new OracleCommand("SELECT COUNT(*) FROM PS_STUDY WHERE PS_DEGREE_ID = '" + ddlDegree10.SelectedValue + "'", con))
                {
                    using (OracleDataReader reader = com.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            if (reader.GetInt32(0) > 0)
                            {
                                notification.Attributes["class"] = "alert alert_danger";
                                notification.InnerHtml = "";
                                notification.InnerHtml += "<div><img src='Image/Small/red_alert.png' /><strong>แจ้งเตือน</strong></div>";
                                notification.InnerHtml += "<div> - มีข้อมูลระดับการศึกษาที่คุณเลือกนี้อยู่แล้วในระบบ</div>";
                                return;
                            }
                            else
                            {
                                notification.Attributes["class"] = "none";
                                notification.InnerHtml = "";
                            }
                        }
                    }
                }
            }

            PS_STUDY PStudy = new PS_STUDY();
            PStudy.PS_CITIZEN_ID = p;
            PStudy.PS_DEGREE_ID = Convert.ToInt32(ddlDegree10.SelectedValue);
            PStudy.PS_UNIV_NAME = tbUnivName10.Text;
            PStudy.PS_FROM_MONTH = Convert.ToInt32(ddlMonth10From.SelectedValue);
            PStudy.PS_FROM_YEAR = Convert.ToInt32(ddlYear10From.SelectedValue);
            PStudy.PS_TO_MONTH = Convert.ToInt32(ddlMonth10To.SelectedValue);
            PStudy.PS_TO_YEAR = Convert.ToInt32(ddlYear10To.SelectedValue);
            PStudy.PS_QUALIFICATION = tbQualification10.Text;
            PStudy.PS_MAJOR = tbMajor10.Text;
            PStudy.PS_COUNTRY_ID = Convert.ToInt32(ddlCountrySuccess10.SelectedValue);
            PStudy.INSERT_PS_STUDY();

            ClearPStudy10();
            DataTable dt1 = PStudy.SELECT_PS_STUDY(p, "", "", "", "", "", "", "", "", "");
            GridViewStudy.DataSource = dt1;
            GridViewStudy.DataBind();
            SetViewState(dt1);

            notification.Attributes["class"] = "alert alert_success";
            notification.InnerHtml = "";
            notification.InnerHtml += "<div><img src='Image/Small/correct.png' /><strong>บันทึกข้อมูลประวัติการศึกษาสำเร็จ</strong></div>";
        }