XSYL10103利用控件获取值也可以用自定义

  string CKID = this._page.GetControlValue("btnCKMC");
pu10103，btnCKMC是一个下拉框

namespace XSYLKCGL
{   
    public class CKWLDY : ISuwfBus
    {
        /// <summary>
        /// initialization
        /// </summary>
        private SlnSuwfPage _page;
        void ISuwfBus.Initial(SlnSuwfPage page)
        {
            this._page = page;
            try
            {
                Button btnPZ = (Button)page.FindControl("btnPLBC");
                btnPZ.Click += new EventHandler(btnPLBC_Click);

            }
            catch (Exception ex)
            {
                page.ShowMessage(ex.Message);
            }
        }

        void btnPLBC_Click(object sender, EventArgs e)
        {
            string Strsql = "";
            string Strckwlsql = "";
            string strMsg = "";
            try
            {
                string strPKs = this._page.GetRowDataPrimaryKeys();
                string CKID = this._page.GetControlValue("btnCKMC");
                if (CKID.Length == 0)
                {
                    _page.ShowMessage("请选择对应仓库");
                    return;
                }
                if (strPKs.Length ==0)
                {
                    _page.ShowMessage("请选择至少一条数据");
                    return;
                }
                Strsql = String.Format(@"select * from wlzd_tb where id in ({0})", strPKs);
                DataTable dt = SlnDataAccess.GetDataTable(Strsql);
                if (dt == null || dt.Rows.Count == 0)
                {
                    _page.ClientScript.RegisterClientScriptBlock(this.GetType(), "Alert", "<script>alert('该物料表无相关记录');</script>");
                    return;
                }
                var lstSql = new List<string>();
                foreach(DataRow row in dt.Rows)
                {
                    string wlid = row["ID"].ToString();
                    string wlbh = row["WLBH"].ToString();
                    string wlsfyx = row["SFYX"].ToString();
                    string cksfdy = SlnDataAccess.GetValueBySql(String.Format("select count(*) from ckwldy_tb where ckid = '{0}' and wlid = '{1}'", CKID, wlid)).ToString();
                    string seqckwl = SlnDataAccess.GetSeqNumber("SEQCKWLDY").ToString();
                    if (wlsfyx == "0")
                    {
                        _page.ShowMessage("该物料无效，其编号为"+wlbh);
                        return;
                    }
                    if (cksfdy == "1")
                    {
                        _page.ShowMessage("该物料已存在此仓库中，其编号为" + wlbh);
                        return;
                    }
                    Strckwlsql = String.Format(@"insert into ckwldy_tb(id,ckid,wlid) values('"+ seqckwl + "','"+CKID+"','"+ wlid + "')");
                    lstSql.Add(Strckwlsql);
               }
                strMsg += SlnDataAccess.ExecuteSQL(lstSql);
                if (string.IsNullOrEmpty(strMsg))
                {
                    this._page.ShowMessage("保存操作成功");
                    this._page.btnQuery_Click(null, null);
                }
                else
                {
                    this._page.ShowMessage("保存操作出错" + strMsg);
                }
            }
            catch(Exception ex)
            {
                _page.ShowMessage(ex.Message);
            }
        }
    }
}