重置滚动位置异步回发后 - ASP.NET [英] Reset scroll position after Async postback - ASP.NET

问题描述

什么是重置滚动位置，页面异步回发后，顶部的最佳方法？

What is the best way to reset the scroll position to the top of page after the an asynchronous postback?

异步回发是从ASP.NET的GridView CommandField中柱发起和ASP.NET更新面板调用Update方法在GridView OnRowCommand。

The asynchronous postback is initiated from a ASP.NET GridView CommandField column and the ASP.NET update panel Update method is called in the GridView OnRowCommand.

我现在的应用程序是一个ASP.NET 3.5 Web站点。

My current application is an ASP.NET 3.5 web site.

编辑：我收到了大家极好的反馈，我用PageRequestManager方法的脚本标记结束了，但我的下一个问题是：

I have received excellent feedback from everyone, and I ended using the PageRequestManager method in a script tag, but my next question is:

我如何配置它，只有当用户点击ASP.NET CommandField中在我的GridView控件执行？我在网页上执行，我不想滚动到页面顶部的异步回送其他按钮。

How do I configure it to only execute when the user clicks the ASP.NET CommandField in my GridView control? I have other buttons on the page that perform an asynchronous postback that I do not want to scroll to the top of the page.

编辑1：我已经开发了一个解决方案，我并不需要使用PageRequestManager。请参阅我的解决办法跟进的答案。

EDIT 1: I have developed a solution where I do not need to use the PageRequestManager. See my follow up answer for solution.

推荐答案

下面是以下解决方案我开发在此基础上的来源

Here is the following solution I developed based on this source

ASP.NET网络表单

ASP.NET Webform

<script language="javascript" type="text/javascript">
   function SetScrollEvent() {
      window.scrollTo(0,0);
   }
</script> 

<asp:GridView id="MyGridView" runat="server" OnRowDataBound="MyGridView_OnRowDataBound">
    <Columns>
        <asp:CommandField ButtonType="Link" ShowEditButton="true" />
    </Columns>
</asp:GridView>

ASP.NET网络表单$ C $后面

ASP.NET Webform code behind

protected void MyGridView_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
    if(e.Row.RowType.Equals(DataControlRowType.DataRow))
    {
        foreach (DataControlFieldCell cell in e.Row.Cells)
        {
            foreach(Control control in cell.Controls)
            {
                LinkButton lb = control as LinkButton;

                if (lb != null && lb.CommandName == "Edit")
                    lb.Attributes.Add("onclick", "SetScrollEvent();");
            }
        }
    }
}

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