protected void lbuSubmit_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtInsertProvinceTH.Text))
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('กรุณาใส่ ชื่อจังหวัดภาษาไทย')", true);
                return;
            }

            if (string.IsNullOrEmpty(txtInsertProvinceEN.Text))
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('กรุณาใส่ ชื่อจังหวัดภาษาอังกฤษ')", true);
                return;
            }
            ClassProvince p = new ClassProvince();
            p.PROVINCE_TH = txtInsertProvinceTH.Text;
            p.PROVINCE_EN = txtInsertProvinceEN.Text;

            if (p.CheckUseProvinceNameInsert())
            {
                p.InsertProvince();
                BindData();
                ClearData();
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('เพิ่มข้อมูลเรียบร้อย')", true);
            }
            else
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ข้อมูลที่จะเพิ่ม มีอยู่ในระบบแล้ว !')", true);
            }
        }
 protected void lbuRefresh_Click(object sender, EventArgs e)
 {
     ClearData();
     ClassProvince p = new ClassProvince();
     DataTable dt = p.GetProvince("", "");
     GridView1.DataSource = dt;
     GridView1.DataBind();
     SetViewState(dt);
 }
        protected void lbuSearch_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtSearchProvinceTH.Text) && string.IsNullOrEmpty(txtSearchProvinceEN.Text))
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('กรุณากรอก คำค้นหา')", true);

                return;
            }
            else
            {
                ClassProvince p = new ClassProvince();
                DataTable dt = p.GetProvince(txtSearchProvinceTH.Text, txtSearchProvinceEN.Text);
                GridView1.DataSource = dt;
                GridView1.DataBind();
                SetViewState(dt);
            }
        }
 void BindData1()
 {
     ClassProvince p = new ClassProvince();
     DataTable dt = p.GetProvince(txtSearchProvinceTH.Text, txtSearchProvinceEN.Text);
     GridView1.DataSource = dt;
     GridView1.DataBind();
     SetViewState(dt);
 }
 void BindData()
 {
     ClassProvince p = new ClassProvince();
     DataTable dt = p.GetProvince("", "");
     GridView1.DataSource = dt;
     GridView1.DataBind();
     SetViewState(dt);
 }
        protected void modUpdateCommand(Object sender, GridViewUpdateEventArgs e)
        {
            Label lblProvinceIDEdit = (Label)GridView1.Rows[e.RowIndex].FindControl("lblProvinceIDEdit");
            TextBox txtProvinceTHEdit = (TextBox)GridView1.Rows[e.RowIndex].FindControl("txtProvinceTHEdit");
            TextBox txtProvinceENEdit = (TextBox)GridView1.Rows[e.RowIndex].FindControl("txtProvinceENEdit");

            ClassProvince p = new ClassProvince(Convert.ToInt32(lblProvinceIDEdit.Text)
                , txtProvinceTHEdit.Text
                , txtProvinceENEdit.Text);

            if (p.CheckUseProvinceNameUpdate())
            {
                p.UpdateProvince();
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('อัพเดทข้อมูลเรียบร้อย')", true);
                GridView1.EditIndex = -1;
                BindData1();
            }
            else
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ข้อมูลที่จะอัพเดท มีอยู่ในระบบแล้ว !')", true);
            }
        }
        protected void modDeleteCommand(Object sender, GridViewDeleteEventArgs e)
        {
            int id = Convert.ToInt32(GridView1.DataKeys[e.RowIndex].Value);
            ClassProvince p = new ClassProvince();
            p.PROVINCE_ID = id;
            p.DeleteProvince();
            ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ลบข้อมูลเรียบร้อย')", true);

            GridView1.EditIndex = -1;
            BindData1();
        }