绑定DropDownList

ddl_YXSM.Items.FindByText(Str).Selected = true;

 

//BookingKyxw.aspx  文件

 <asp:DropDownList ID="ddlgx_flg" runat="server"></asp:DropDownList>

 //BookingKyxw.aspx.cs  文件

        //绑定活动预约参与对象信息
        private void GetActivityParticipants(int vid, int yyxx_key) 
        {
            YH yh = new YH(globalVar.CurrentVID);
            chklParticipants.DataSource = hdDal.Get_Activity_participants(vid, yyxx_key);
            chklParticipants.DataValueField = "yh_name";
            chklParticipants.DataTextField = "yh_name";
            chklParticipants.DataBind();
            //添加到第一项
            chklParticipants.Items.Insert(0,new ListItem(yh.vid,yh.UserName));
            //添加到最后一项
            chklParticipants.Items.Add(new ListItem(yh.vid, yh.UserName));
        }