private void BindLabEntry()
        {
            DataTable dt = new DataTable();

            dt = objBL_Laboratory.BL_SelectLabEntry(objML_Laboratory);
            if (dt.Rows.Count > 0)
            {
                GrdTest.DataSource = dt;
                GrdTest.DataBind();
            }
        }
        protected void BindTestMaster()
        {
            DataTable dt = new DataTable();

            dt = objBL_Laboratory.BL_BindTestMaster(objML_Laboratory);
            if (dt.Rows.Count > 0)
            {
                GrdTest.DataSource = dt;
                GrdTest.DataBind();
            }
        }