public static IOrderedQueryable <T> ThenBy(IOrderedQueryable <T> queryable, string propertyName, bool desc)
{
dynamic keySelector = GetLambdaExpression(propertyName);
return(desc ? Queryable.ThenByDescending(queryable, keySelector) : Queryable.ThenBy(queryable, keySelector));
}
/// <inheritdoc cref="Queryable.ThenByDescending{TSource, TKey}(IOrderedQueryable{TSource}, Expression{Func{TSource, TKey}}, IComparer{TKey})" />
public static IOrderedQueryableAndAsyncQueryable <TSource> ThenByDescending <TSource, TKey>(this IOrderedQueryableAndAsyncQueryable <TSource> source, Expression <Func <TSource, TKey> > keySelector, IComparer <TKey> comparer)
{
return((IOrderedQueryableAndAsyncQueryable <TSource>)Queryable.ThenByDescending <TSource, TKey>(source, keySelector, comparer));
}
public virtual IOrderedQueryable <TSource> ThenByDescending <TSource, TKey>(IOrderedQueryable <TSource> source, Expression <Func <TSource, TKey> > keySelector, IComparer <TKey> comparer)
{
return(Queryable.ThenByDescending <TSource, TKey>(source, keySelector, comparer));
}
public static IOrderedQueryable <TSource> ThenByDescending(IOrderedQueryable <TSource> source, string propertyName) => Queryable.ThenByDescending(source, (dynamic)CreateLambdaExpression(propertyName));
