private int GetNextPageIndex()
{
// search for id param and extract
var nextPageIndex = 0;
if (!string.IsNullOrEmpty(NextPageQuery))
{
var searchPID = Regex.Match(NextPageQuery, "p_ID=[0-9]*"); // SEARCH A WAY TO RECOGNIZE THIS IS LAST PAGE
if (searchPID.Success)
{
var splitPID = searchPID.Value.Split(new[] { "=" }, StringSplitOptions.RemoveEmptyEntries);
if (splitPID != null && splitPID.Length >= 2)
{
// find index in origin list based on id
var pID = Convert.ToInt32(splitPID[1]);
nextPageIndex = OriginalData.OfType <SPListItem>().ToList <SPListItem>().FindIndex(i => i.ID == pID);
nextPageIndex = nextPageIndex > (TotalItems - 1) ? TotalItems - 1 : nextPageIndex;
}
}
}
else
{
var lastItemIndex = Data.Count - 1;
nextPageIndex = lastItemIndex >= 0 ? OriginalData.OfType <SPListItem>().ToList <SPListItem>().FindIndex(i => i.ID == Data.OfType <SharePointItem>().ToList <SharePointItem>()[lastItemIndex].Id) : 0;
}
return(nextPageIndex);
}
private string GetPagingInfo(int index)
{
if (index == 1)
{
return(string.Empty);
}
var skip = (index - 1) * PageSize;
var lastPageItemIndex = (int)((skip > TotalItems ? TotalItems : skip) - 1); // transform to zero based arrays
var lastPageItemID = OriginalData.OfType <SPListItem>().ToList().ElementAt(lastPageItemIndex).ID;
return(string.Format(@"Paged=TRUE&p_ID={0}", lastPageItemID));
}
