private void DataPager_PageChanging(object sender, PageChangingEventArgs e)
{
if (!GotoPage(e.NewPageIndex))
{
e.IsCancel = true;
}
}
/// <summary>
/// 页码更改
/// </summary>
/// <param name="pageIndex"></param>
internal void OnPageChanging(int pageIndex)
{
if (pageIndex < 1)
{
pageIndex = 1;
}
if (pageIndex > this.PageCount)
{
pageIndex = this.PageCount;
}
var oldPageIndex = this.PageIndex;
var newPageIndex = pageIndex;
var eventArgs = new PageChangingEventArgs()
{
OldPageIndex = oldPageIndex, NewPageIndex = newPageIndex
};
if (this.PageChanging != null)
{
this.PageChanging(this, eventArgs);
}
if (!eventArgs.IsCancel)
{
this.PageIndex = newPageIndex;
if (this.PageChanged != null)
{
this.PageChanged.Invoke(this, new PageChangedEventArgs()
{
CurrentPageIndex = this.PageIndex
});
}
}
}