private void BindData() { zs.BLL.Tbl_Xueyuan bllg = new zs.BLL.Tbl_Xueyuan(); this.ddl_xueyuanid.DataSource = bllg.GetModelList(""); this.ddl_xueyuanid.DataTextField = "name"; this.ddl_xueyuanid.DataValueField = "id"; this.ddl_xueyuanid.DataBind(); if (Request.QueryString["id"] != null) { string ids = Request.QueryString["id"].ToString(); if (ids != "0") { zs.Model.Tbl_Zhuanye model = bll.GetModel(int.Parse(ids)); this.tb_name.Text = model.name; //this.tb_cont.Html = model.cont; this.ddl_xueyuanid.SelectedValue = model.xueyuanid.Value.ToString(); this.btn_add.Text = "修改"; } } }