void BindData1()
 {
     if (!string.IsNullOrEmpty(txtSearchWorkDivisionName.Text))
     {
         ClassWorkDivision wd1 = new ClassWorkDivision();
         DataTable dt1 = wd1.GetWorkDivision(txtSearchWorkDivisionName.Text, "", "", "");
         GridView1.DataSource = dt1;
         GridView1.DataBind();
         SetViewState(dt1);
     }
     if (ddlSearchCampus.SelectedIndex != 0)
     {
         ClassWorkDivision wd2 = new ClassWorkDivision();
         DataTable dt2 = wd2.GetWorkDivision("", ddlSearchCampus.SelectedValue, "", "");
         GridView1.DataSource = dt2;
         GridView1.DataBind();
         SetViewState(dt2);
     }
     if (ddlSearchFaculty.SelectedIndex != 0)
     {
         ClassWorkDivision wd3 = new ClassWorkDivision();
         DataTable dt3 = wd3.GetWorkDivision("", "", ddlSearchFaculty.SelectedValue, "");
         GridView1.DataSource = dt3;
         GridView1.DataBind();
         SetViewState(dt3);
     }
     if (ddlSearchDivision.SelectedIndex != 0)
     {
         ClassWorkDivision wd4 = new ClassWorkDivision();
         DataTable dt4 = wd4.GetWorkDivision("", "", "", ddlSearchDivision.SelectedValue);
         GridView1.DataSource = dt4;
         GridView1.DataBind();
         SetViewState(dt4);
     }
 }
        protected void lbuSearch_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtSearchWorkDivisionName.Text) && ddlSearchCampus.SelectedIndex == 0 && ddlSearchFaculty.SelectedIndex == 0 && ddlSearchDivision.SelectedIndex == 0)
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('กรุณากรอก คำค้นหา')", true);

                return;
            }
            else
            {
                if (!string.IsNullOrEmpty(txtSearchWorkDivisionName.Text))
                {
                    ClassWorkDivision wd1 = new ClassWorkDivision();
                    DataTable dt1 = wd1.GetWorkDivision(txtSearchWorkDivisionName.Text, "", "", "");
                    GridView1.DataSource = dt1;
                    GridView1.DataBind();
                    SetViewState(dt1);
                }
                if (ddlSearchCampus.SelectedIndex != 0)
                {
                    ClassWorkDivision wd2 = new ClassWorkDivision();
                    DataTable dt2 = wd2.GetWorkDivision("", ddlSearchCampus.SelectedValue, "", "");
                    GridView1.DataSource = dt2;
                    GridView1.DataBind();
                    SetViewState(dt2);
                }
                if (ddlSearchFaculty.SelectedIndex != 0)
                {
                    ClassWorkDivision wd3 = new ClassWorkDivision();
                    DataTable dt3 = wd3.GetWorkDivision("", "", ddlSearchFaculty.SelectedValue, "");
                    GridView1.DataSource = dt3;
                    GridView1.DataBind();
                    SetViewState(dt3);
                }
                if (ddlSearchDivision.SelectedIndex != 0)
                {
                    ClassWorkDivision wd4 = new ClassWorkDivision();
                    DataTable dt4 = wd4.GetWorkDivision("", "", "", ddlSearchDivision.SelectedValue);
                    GridView1.DataSource = dt4;
                    GridView1.DataBind();
                    SetViewState(dt4);
                }
            }
        }
 void BindData()
 {
     ClassWorkDivision wd = new ClassWorkDivision();
     DataTable dt = wd.GetWorkDivision("", "", "", "");
     GridView1.DataSource = dt;
     GridView1.DataBind();
     SetViewState(dt);
 }
 protected void lbuRefresh_Click(object sender, EventArgs e)
 {
     ClearData();
     ClassWorkDivision wd = new ClassWorkDivision();
     DataTable dt = wd.GetWorkDivision("", "", "", "");
     GridView1.DataSource = dt;
     GridView1.DataBind();
     SetViewState(dt);
 }