public string GetNextLink()
{
FormDataCollection form = new FormDataCollection();
form.AddString("id", this.BranchId.ToString())
.AddString("day", this.Today)
.AddString("flag", this.DataFlag)
.AddString("page", (PageIndex.GetValueOrDefault() + 1).ToString());
return("/ajax/scan/Result/ShowScanResult.ppx?" + form.ToString());
}