public static Boolean IsOrdered(IQueryable models)
{
DatalistQuery query = new DatalistQuery();
query.Visit(models.Expression);
return(query.Ordered);
}
public virtual IQueryable <T> Sort(IQueryable <T> models)
{
if (String.IsNullOrWhiteSpace(Filter.Sort))
{
if (DatalistQuery.IsOrdered(models))
{
return(models);
}
else
{
return(models.OrderBy(model => 0));
}
}
return(models.OrderBy(Filter.Sort + " " + Filter.Order));
}
