在UpdatePanel更新后注册动态javascript

protected void UpdatePanel_Updated(object sender, EventArgs e)
{
    ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "dynamicScript", "alert('UpdatePanel updated!');", true);
}

protected void UpdatePanel_Updated(object sender, EventArgs e)
{
    Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "dynamicScript", "alert('UpdatePanel updated!');", true);
}

<asp:UpdatePanel ID="UpdatePanel" runat="server" OnUpdated="UpdatePanel_Updated">
   <ContentTemplate>
        <asp:Literal ID="litDynamicScript" runat="server" />
    </ContentTemplate>
</asp:UpdatePanel>

protected void UpdatePanel_Updated(object sender, EventArgs e)
{
    litDynamicScript.Text =<script type=\"text/javascript\">alert('UpdatePanel updated!');</script>";
}

Sys.Application.add_load(function() {
    Sys.WebForms.PageRequestManager.getInstance().add_endRequest(function() {
        // 在这里添加需要在 UpdatePanel 更新后执行的 JavaScript 代码
        alert('UpdatePanel updated!');
    });
});