Protected dtc As DataTable Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 dtc = GetTable("select * from city") DropDownList1.Attributes("onchange") = "SCity(this.value)" 相关文章： 2022-12-23 2022-12-23 2022-12-23 2022-01-22 2021-08-26