asp.net DropDownList 三级联动下拉菜单实现代码
实现代码如下: if (!IsPostBack) { //一级分类列表 this.DropDownList1.DataSource = dsbb.SelectSubjct1(); this.DropDownList1.DataTextField = "cName"; this.DropDownLis
实现代码如下: if (!IsPostBack) { //一级分类列表 this.DropDownList1.DataSource = dsbb.SelectSubjct1(); this.DropDownList1.DataTextField = "cName"; this.DropDownLis