/// <summary>
/// Load next page of UserDevice objects from Context for the passed in query and
/// adds this page to passed in lis.
/// </summary>
/// <param name="list">List results will be added to.</param>
/// <param name="Query">DataServiceQuery object</param>
/// <param name="nextRec"> NextRecordInfo object define begining of the page to load</param>
/// <param name="PageSize">Size of the page. If value is 0 or value greater than 1000 system will limit paze size to 1000 records </param>
/// <returns> NextRecordInfo object for the next page</returns>
private NextRecordInfo GetNextPage(ref List<UserDevice> list, DataServiceQuery<UserDevices> Query, NextRecordInfo nextRec, int PageSize)
{
NextRecordInfo Result = new NextRecordInfo();
QueryOperationResponse qor;
if (!string.IsNullOrEmpty(nextRec.NextPartition))
Query = Query.AddQueryOption("NextPartitionKey", nextRec.NextPartition).AddQueryOption("NextRowKey", nextRec.NextKey);
if (PageSize > 0)
qor = (QueryOperationResponse)((DataServiceQuery<UserDevices>)Query.Take(PageSize)).Execute();
else
qor = (QueryOperationResponse)(Query).Execute();
string nextPartition = String.Empty;
string nextRow = String.Empty;
qor.Headers.TryGetValue("x-ms-continuation-NextPartitionKey", out nextPartition);
qor.Headers.TryGetValue("x-ms-continuation-NextRowKey", out nextRow);
IQueryable<UserDevices> qt = (IQueryable<UserDevices>)qor.AsQueryable();
Result.NextKey = nextRow;
Result.NextPartition = nextPartition;
var enumer = qt.GetEnumerator();
while (enumer.MoveNext())
list.Add( new UserDevice(enumer.Current));
return Result;
}