我刚刚修改了一些代码,使用了通用列表,似乎工作得很好,希望这能有所帮助:
请注意,可以在有或没有页码的情况下调用整个方法来自动设置页面,它还可以在调用PagingPanel的面板内构建一个分页控件。
在PagedDataSource实例(DataSource)上设置DataSource的行确实采用了NewsItems数组(searchResults),我已将其更新为使用NewItem数组创建的List。
void PopulateNewsItems (int? pageNo)
{
var model = ModelFactory.GetNewsModel ();
var searchResults = model.GetNewsItems ();
var dataSource = new PagedDataSource ();
// CHANGED THE ARRAY OF NEWSITEMS INTO A GENERIC LIST OF NEWSITEMS.
dataSource.DataSource = new List<NewsItem> (searchResults);
dataSource.AllowPaging = true;
var pageSizeFromConfig = ConfigurationManager.AppSettings["NewsItemsPageCount"];
var pageSize = 10;
int.TryParse (pageSizeFromConfig, out pageSize);
dataSource.PageSize = pageSize;
dataSource.CurrentPageIndex = pageNo ?? 0;
PagingPanel.Controls.Clear ();
for (var i = 0; i < dataSource.PageCount; i++)
{
var linkButton = new LinkButton ();
linkButton.CommandArgument = i.ToString ();
linkButton.CommandName = "PageNo";
linkButton.Command += NavigationCommand;
linkButton.ID = string.Format ("PageNo{0}LinkButton", i);
if (pageNo == i || (pageNo == null && i == 0))
{
linkButton.Enabled = false;
linkButton.CssClass = "SelectedPageLink";
}
linkButton.Text = (i + 1).ToString ();
PagingPanel.Controls.Add (linkButton);
if (i < (dataSource.PageCount - 1))
PagingPanel.Controls.Add (new LiteralControl ("|"));
}
NewsRepeater.DataSource = dataSource;
NewsRepeater.DataBind ();
}
void NavigationCommand (object sender, CommandEventArgs e)
{
PopulateNewsItems (int.Parse ((string)e.CommandArgument));
}