<asp:DropDownList ID="ddl1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="dd">
<asp:ListItem>性别</asp:ListItem>
<asp:ListItem>男</asp:ListItem>
<asp:ListItem>女</asp:ListItem>
</asp:DropDownList>
选择值后,页面总是刷新一次,怎么才能不让其刷新呢?
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