我已经与以下文章实现了相同的功能,如果您需要进一步的帮助,请告诉我,我将提供代码块
http://rchern.wordpress.com/2008/05/11/updatepanel-backforward-browser-navigation/ http://rchern.wordpress.com/2008/05/11/updatepanel-backforward-browser-navigation/
首先,您必须启用 ScriptManager 历史记录 EnableHistory="true"
在此示例中,我们维护 gridview 分页,当用户浏览器后退按钮时
您已在页面首次加载后添加历史记录点。
private void AddHistoryPoint(String key, String value, String tile)
{
ScriptManager scm = ScriptManager.GetCurrent(this.Page);
if ((scm.IsInAsyncPostBack == true) && (scm.IsNavigating != true))
{
if (pageState == null)
{
NameValueCollection pageState = new NameValueCollection();
}
if (pageState[key] != null)
{
pageState[key] = value;
}
else
{
pageState.Add(key, value);
}
scm.AddHistoryPoint(pageState, tile);
}
}
protected void grid_PageIndexChanged1(object sender, EventArgs e)
{
AddHistoryPoint("pi", grdProject.PageIndex.ToString(), "Page Index- " + (grdProject.PageIndex + 1).ToString());
}
在这里你必须处理 ScriptManager Navigate Event
protected void ScriptManager1_Navigate(object sender, System.Web.UI.HistoryEventArgs e)
{
if (e.State != null)
{
if (e.State["pi"] != null)
{
grid.PageIndex = Convert.ToInt32(e.State["pi"]);
}
}
}