private void btnFind_Click(object sender, EventArgs e)
        {
            WFilter wf = new WFilter(1, "CustName", true);

            wf.tableName = "T_CustomerInf";    //表名
            wf.strSql    = "select CustID as 客户编号, CustName as 客户名称, CustType as 类别,City as 城市地区,communicateAddr as 通信地址, CredDegree as 信用等级,T_CustomerImp.importance as 客户重要度 " +
                           " from T_CustomerInf left join T_CustomerImp " +
                           " on T_CustomerInf.ImportanceDegreeId= T_CustomerImp.Iid";

            wf.s_items.Add("客户编号,CustID,C");
            wf.s_items.Add("客户名称,CustName,C");
            wf.s_items.Add("类别,CustType,C");
            wf.s_items.Add("城市地区,City,C");
            wf.s_items.Add("重要度,importance,C");
            wf.ShowDialog();

            if (wf.DialogResult == DialogResult.OK)
            {
                //插入
                List <string> sqls   = new List <string>();
                DBUtil        dbUtil = new DBUtil();
                string        custId = this.custid;

                foreach (string CustName in wf.Return_Items)
                {
                    string parentcustId = dbUtil.Get_Single_val("T_CustomerInf", "CustID", "CustName", CustName.Trim());
                    if (parentcustId == "")
                    {
                        return;
                    }

                    //插入前判断
                    string strSqlSel = "select * from T_Customer_Rela where CustID='{0}' and ParentID='{1}'";
                    strSqlSel = string.Format(strSqlSel, custId, parentcustId);
                    bool isExit = dbUtil.yn_exist_data(strSqlSel);

                    if (isExit == true)
                    {
                        return;
                    }

                    string strSql = "insert into T_Customer_Rela(CustID,ParentID) values('{0}','{1}')";
                    strSql = string.Format(strSql, custId, parentcustId);
                    sqls.Add(strSql);
                }
                (new SqlDBConnect()).Exec_Tansaction(sqls);

                InitDataGridView();
            }
        }