如何将updatepanel与AsyncRefresh事件一起使用

Question

我正在开发一个asp.net web应用程序。在该应用程序中，我正在使用asyncRefresh事件 如果我正在使用updatepanel，asyncRefresh事件将无法获得焦点。没有updatepanel evet获得焦点。我想使用updatepanel的asynRefresh事件。任何一个请帮助解决这个问题。

感谢和安培;问候 Lijo Thomas

Answer 1

protected void Page_Load(object sender, EventArgs e)
{
    object et = Request.Form["__EVENTTARGET"] as object;
    if (et != null)
    {
        Control c = Page.FindControl(et.ToString());
        if (c != null)
        {
            ScriptManager.GetCurrent(this).SetFocus(GetUniqueIdSmart(c));
        }               
    }
}

protected static string GetUniqueIdSmart(Control control)
{
    string id = control.UniqueID.Replace('$', '_');
    string controlIDSuffix = "";

    RadioButtonList rbl = control as RadioButtonList;
    if (rbl != null)
    {
        controlIDSuffix = "_0";

        int t = 0;
        foreach (ListItem li in rbl.Items)
        {
            if (li.Selected)
            {
                controlIDSuffix = "_" + t.ToString();
                break;
            }
            t++;
        }
    }
    else if (control is CheckBoxList)
    {
        controlIDSuffix = "_0";
    }

    id += controlIDSuffix;
    return id;
}