public void BindSubject()
        {
            try
            {
                EWA_Common objEWA = new EWA_Common();
                DL_Common  objDL  = new DL_Common();

                objEWA.OrgId    = Session["OrgId"].ToString();
                objEWA.CourseId = ddlCourse.SelectedValue.ToString();
                objEWA.BranchId = ddlBranch.SelectedValue.ToString();
                objEWA.ClassId  = ddlClass.SelectedValue.ToString();
                //objEWA.DivisionId = ddlDivision.SelectedValue.ToString();
                objEWA.UserCode = Session["Username"].ToString();

                DataSet ds = objDL.FetchSubject_DL(objEWA);
                DDSubject.Items.Clear();
                DDSubject.DataSource     = ds;
                DDSubject.DataTextField  = "SubjectName";
                DDSubject.DataValueField = "SubjectId";
                DDSubject.DataBind();
                DDSubject.Items.Insert(0, new ListItem("Select", "0"));
            }
            catch (Exception exp)
            {
                GeneralErr(exp.Message.ToString());
            }
        }
 public void clear()
 {
     ddlCourse.ClearSelection();
     ddlBranch.ClearSelection();
     ddlClass.ClearSelection();
     ddlDivision.ClearSelection();
     //rbtnPurpose.ClearSelection();
     DDSubject.ClearSelection();
     txtSubject.Text = "";
     txtMessage.Text = "";
 }