dropdownlist指定显示
lc12d 2013-08-17 03:22:01 后台绑定了dropdownlist1
dropdownlist1.DataSource = ds1;
dropdownlist1.DataTextField = "bianhao";
dropdownlist1.DataValueField = "bianhao";
dropdownlist1.DataBind();
dropdownlist1.Items.Insert(0, "===请选择===");
用dropdownlist1.SelectedValue=Convert.ToString(result[0][14]).Trim();想实现dropdownlist1显示从数据库读出的某项值,显示Convert.ToString(result[0][14]).Trim()值为‘004’,且dropdownlist1绑定数据中有‘004’可结果dropdownlist1总显示第一项,不知道为什么