public static void LoadSTD_ClassStudentPage(System.Web.UI.WebControls.GridView gv, System.Web.UI.WebControls.Repeater rptPager, int pageIndex, DropDownList ddlPageSize)
{
int recordCount=0;
int PageSize = int.Parse(ddlPageSize.SelectedValue);
SqlSTD_ClassStudentProvider sqlSTD_ClassStudentProvider = new SqlSTD_ClassStudentProvider();
DataSet ds = sqlSTD_ClassStudentProvider.GetSTD_ClassStudentPageWise(pageIndex, PageSize, out recordCount);
gv.DataSource = ds;
gv.DataBind();
sTD_ClassStudentsPaggination(rptPager,recordCount, pageIndex, PageSize);
}