/// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="OnPageChanging"]/*'/>
protected virtual void OnPageChanging(PageChangingEventArgs e)
{
//pageChangeEventHandled = true;
PageChangingEventHandler handler = (PageChangingEventHandler)Events[EventPageChanging];
if (handler != null)
{
handler(this, e);
if (!e.Cancel || UrlPaging) //there's no way we can obtain the last value of the CurrentPageIndex in UrlPaging mode, so it doesn't make sense to cancel PageChanging event in UrlPaging mode
{
CurrentPageIndex = e.NewPageIndex;
OnPageChanged(EventArgs.Empty);
}
}
else
{
CurrentPageIndex = e.NewPageIndex;
OnPageChanged(EventArgs.Empty);
}
//pageChangeEventHandled = false;
}
/// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="RaisePostBackEvent"]/*'/>
public void RaisePostBackEvent(string args)
{
int pageIndex = CurrentPageIndex;
try
{
if (string.IsNullOrEmpty(args))
{
args = inputPageIndex;
}
pageIndex = int.Parse(args);
}
catch { }
PageChangingEventArgs pcArgs = new PageChangingEventArgs(pageIndex);
if (cloneFrom != null)
{
cloneFrom.OnPageChanging(pcArgs);
}
else
{
OnPageChanging(pcArgs);
}
}
/// <include file='AspNetPagerDocs.xml' path='AspNetPagerDoc/Method[@name="OnLoad"]/*'/>
protected override void OnLoad(EventArgs e)
{
if (UrlPaging)
{
currentUrl = Page.Request.Path;
queryString = Page.Request.ServerVariables["Query_String"];
if (!string.IsNullOrEmpty(queryString) && queryString.StartsWith("?")) //mono <v2.8 compatible
{
queryString = queryString.TrimStart('?');
}
if (!Page.IsPostBack && cloneFrom == null)
{
int index;
int.TryParse(Page.Request.QueryString[UrlPageIndexName], out index);
if (index <= 0)
{
index = 1;
}
else if (ReverseUrlPageIndex)
{
index = PageCount - index + 1;
}
PageChangingEventArgs args = new PageChangingEventArgs(index);
OnPageChanging(args);
}
}
else
{
inputPageIndex = Page.Request.Form[UniqueID + "_input"];
}
base.OnLoad(e);
if ((UrlPaging || (!UrlPaging && PageIndexBoxType == PageIndexBoxType.TextBox)) && (ShowPageIndexBox == ShowPageIndexBox.Always || (ShowPageIndexBox == ShowPageIndexBox.Auto && PageCount >= ShowBoxThreshold)))
{
HttpContext.Current.Items[scriptRegItemName] = true;
}
}