vb.net的下拉框联动无刷新

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)"

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