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我遇到了更新面板和中继器的问题。我有一个在更新面板中的中继器，我有一个在另一个更新面板中的 div。所以在中继器中我也有 GroupRadioButton。当显示单选按钮checkedchanged div时。通常我们无法到达外面的中继器项目。所以我在 itemdatabound 中对其进行编码。第一次点击正常工作。但是第二次点击页面是回发。我该如何解决？

这是我的转发器和 itemdatabound 事件。

<asp:UpdatePanel ID="upUsers" runat="server">
    <ContentTemplate>
        <div class="content">
            <asp:Repeater id="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound">
                <vs:GroupRadioButton ID="rbChoose" GroupName="grup1" runat="server" OnCheckedChanged="select_CheckedChanged" AutoPostBack="true" />
                ... another control etc ...
            </asp:Repeater>
        </div>
    </ContentTemplate>
</asp:UpdatePanel>

there are some buttons and controls between both two updatepanels ...

<asp:UpdatePanel ID="upUserDetails" runat="server">
    <ContentTemplate>
        <div class="content">
            <div id="divUserDetails" runat="server">
                ... details ...
            </div>
        </div>
    </ContentTemplate>
</asp:UpdatePanel>


protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
    {
        ScriptManager sm = (ScriptManager)Master.FindControl("scr");
        AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();
        GroupRadioButton rbChoose = e.Item.FindControl("rbChoose") as GroupRadioButton;
        sm.RegisterAsyncPostBackControl(rbChoose);
        trigger.ControlID = rbChoose.ID;
        upUserDetails.Triggers.Add(trigger);
        upUserDetails.UpdateMode = UpdatePanelUpdateMode.Always;
    }
}
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