public static IQueryable <T> GetPage <T>(
this IQueryable <T> source,
PagingInfo pagingInfo)
{
pagingInfo.TotalItems = source.Count();
if (pagingInfo.PageNo > pagingInfo.TotalPages)
{
pagingInfo.PageNo = pagingInfo.TotalPages;
}
var offset = (pagingInfo.PageNo - 1) * pagingInfo.PageSize;
var sortExpressions = pagingInfo.GetSortExpressions();
if (sortExpressions.Count <= 0)
{
return(source.Skip(offset).Take(pagingInfo.PageSize));
}
var sortedSource = source.Sort(pagingInfo.GetSortExpressions(), null);
return(sortedSource.Skip(offset).Take(pagingInfo.PageSize));
}