protected virtual Paged <TEntity> GetPaged <TEntity>
(
IQueryable <TEntity> query,
IList <Expression <Func <TEntity, bool> > > filter = null,
int?pageSize = null,
int?pageIndex = null,
string sortBy = null,
string sortAs = null
) where TEntity : class
{
IQueryable <TEntity> filteredQuery = query.Filter(filter);
int count = filteredQuery.Count();
var items = filteredQuery.OrderBy(sortBy, sortAs).Page(pageSize, pageIndex).ToList();
return(Paged <TEntity> .CreatePagedObject(items, pageIndex.GetValueOrDefault(), pageSize.GetValueOrDefault(), count));
}