IQueryable<T> Extensions

LinqExtensions.cs

public static class LinqExtensions
{
    public static IOrderedQueryable<TSource> OrderBy<TSource, TKey>(this IQueryable<TSource> source, Expression<Func<TSource, TKey>> keySelector, bool isAscending)
    {
        return isAscending
            ? source.OrderBy(keySelector)
            : source.OrderByDescending(keySelector);
    }

    public static IOrderedQueryable<TSource> ThenBy<TSource, TKey>(this IOrderedQueryable<TSource> source, Expression<Func<TSource, TKey>> keySelector, bool isAscending)
    {
        return isAscending
            ? source.ThenBy(keySelector)
            : source.ThenByDescending(keySelector);
    }
}