public void LoadMarks()
{
BLLGradeBook objbll = new BLLGradeBook();
objbll.Rollno = user;
List <BLLGradeBook> objlist = new List <BLLGradeBook>();
objlist = objbll.Selectmarksbycourseforstu(objbll);
if (objlist.Count > 0)
{
dgquiz.DataSource = objlist;
dgquiz.DataBind();
}
}
