下拉框绑定

 /// <summary>
        /// 填充下拉框
        /// </summary>
        /// <param name="strSql"></param>
        /// <param name="drp"></param>
        /// <param name="strValue"></param>
        /// <param name="strTxt"></param>
        /// <returns></returns>
        private void InitDrp(string strSql, DropDownList drp, string strValue, string strTxt)
        {
            RiWay.BLL.C_COMMONDB bllC_COMMONDB = new RiWay.BLL.C_COMMONDB();
            DataTable dt = bllC_COMMONDB.GetTable(strSql);
            DataView dv = dt.DefaultView;
            drp.DataSource = dv;
            drp.DataValueField = dv.Table.Columns[strValue].Caption.ToString();
            drp.DataTextField = dv.Table.Columns[strTxt].Caption.ToString();
            drp.DataBind();
        }