void HandlePage(int newPage)
{
if (this.AllowPaging)
{
DataGridViewPageEventArgs e = new DataGridViewPageEventArgs(newPage);
this.OnPageIndexChanging(e);
if (!e.Cancel)
{
if (e.NewPageIndex <= -1)
return;
if ((e.NewPageIndex >= this.PageCount) && (this.PageIndex == this.PageCount - 1))
return;
this.PageIndex = e.NewPageIndex;
this.OnPageIndexChanged(EventArgs.Empty);
this.RequiresDataBinding = true;
}
}
}
/// <summary>
/// 触发<see cref="PageIndexChanging"/>事件。
/// </summary>
/// <param name="e"></param>
protected virtual void OnPageIndexChanging(DataGridViewPageEventArgs e)
{
DataGridViewPageEventHandler handler = this.PageIndexChanging;
if (handler != null)
handler(this, e);
}