public void BindGrid()
        {
            ClAgreeExplanRepeat cl = new ClAgreeExplanRepeat();

            cl.SubjectID = Convert.ToInt32(ddSubjectFilter.SelectedValue);

            if (NotDefaultAgree == false)
            {
                cl.AgreementID = 0;
            }
            else
            {
                cl.AgreementID = Convert.ToInt32(LblAgreementID.Text);
            }
            cl.AgreementID = AgrrementID;


            DataSet  ds = AgreeExplanRepeatClass.GetList(cl);
            DataView dv = new DataView(ds.Tables[0]);

            if (ViewState["ExplanRepeatID"] == null)
            {
                ViewState["ExplanRepeatID"] = "ExplanRepeatID Desc";
            }
            dv.Sort = Securenamespace.SecureData.CheckSecurity(ViewState["ExplanRepeatID"].ToString()).ToString();
            GridView1.DataSource = dv;
            GridView1.DataBind();
        }
        protected void BtnSerach_Click(object sender, EventArgs e)
        {
            DataSet  ds = AgreeExplanRepeatClass.GetList(Data);
            DataView dv = new DataView(ds.Tables[0]);

            if (ViewState["ExplanRepeatID"] == null)
            {
                ViewState["ExplanRepeatID"] = "ExplanRepeatID Desc";
            }
            dv.Sort = Securenamespace.SecureData.CheckSecurity(ViewState["ExplanRepeatID"].ToString()).ToString();
            GridView1.DataSource = dv;
            GridView1.DataBind();
        }