private void BindPGSourse(int type)
{
DataSet ds = res.GetAllTutorAndStu(type);
respgSource = new PagedDataSource();
respgSource.DataSource = ds.Tables[0].DefaultView;
respgSource.AllowPaging = true;
respgSource.PageSize = pagesize;
respgSource.CurrentPageIndex = 0;
Session["respgSource"] = respgSource;
}
