public void bindClass() { try { ObjEWA.OrgId = Session["OrgId"].ToString(); DataSet ds = ObjBL.BindClassForinstallments(ObjEWA); if (ds.Tables[0].Rows.Count != 0) { ddlCourse.DataSource = ds; ddlCourse.DataTextField = "class"; ddlCourse.DataValueField = "ClassId"; ddlCourse.DataBind(); ddlCourse.Items.Insert(0, new ListItem("Select", "0")); // disbleControls(); } } catch (Exception exp) { throw; } }