/// <summary>
/// Order <see cref="IOrderedEnumerable{TSource}"/> then by
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <param name="source"></param>
/// <param name="sortColum">name of the column to sort on</param>
/// <param name="sortDirection">the order by which to sort</param>
/// <returns></returns>
public static IOrderedEnumerable <TSource> ThenBy <TSource>(this IOrderedEnumerable <TSource> source, string sortColum, string sortDirection)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return(OrderByInternal.EnumerableOrderThenBy(source, new OrderItem {
SortColum = sortColum, OrderDirection = Orderby.GetOrderDirection(sortDirection)
}));
}
/// <summary>
/// Order <see cref="IOrderedQueryable{TSource}"/> then by
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <param name="source"></param>
/// <param name="sortColum">name of the column to sort on</param>
/// <param name="isDescending">Is the order direction descending</param>
/// <returns></returns>
public static IOrderedQueryable <TSource> ThenBy <TSource>(this IOrderedQueryable <TSource> source, string sortColum, bool isDescending)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return(OrderByInternal.QueryableOrderThenBy(source, new OrderItem {
SortColum = sortColum, OrderDirection = Orderby.GetOrderDirection(isDescending)
}));
}
/// <summary>
/// Order an <see cref="IQueryable{TSource}"/>
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <param name="source"></param>
/// <param name="sortColum">name of the column to sort on</param>
/// <param name="sortDirection">the order by which to sort</param>
/// <returns></returns>
public static IOrderedQueryable <TSource> OrderBy <TSource>(this IQueryable <TSource> source, string sortColum, string sortDirection)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return(OrderByInternal.QueryableOrder(source, new OrderItem {
SortColum = sortColum, OrderDirection = Orderby.GetOrderDirection(sortDirection)
}, out _));
}
/// <summary>
/// Order <see cref="IOrderedQueryable{TSource}"/> then by
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <typeparam name="TKey"></typeparam>
/// <param name="source"></param>
/// <param name="sortColum">Comma or semicolumn seperated string expression of the colume and direction. Directon is not mandatory, if not pressend then it will be ascending</param>
/// <param name="isDescending">Is the order direction descending</param>
/// <param name="comparer"><see cref="IComparer{TKey}" /></param>
/// <returns></returns>
public static IOrderedQueryable <TSource> ThenBy <TSource, TKey>(this IOrderedQueryable <TSource> source, string sortColum, bool isDescending, IComparer <TKey> comparer)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (string.IsNullOrWhiteSpace(sortColum))
{
throw new ArgumentException("Input cannot be null or empty", "sortColum");
}
return(OrderByInternal.QueryableOrderThenBy(source, new OrderItem <TKey> {
SortColum = sortColum, OrderDirection = Orderby.GetOrderDirection(isDescending), Comparer = comparer
}));
}
/// <summary>
/// Order an <see cref="IEnumerable{TSource}"/>
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <param name="source"></param>
/// <param name="sortColum">name of the column to sort on</param>
/// <param name="isDescending">Is the order direction descending</param>
/// <returns></returns>
public static IOrderedEnumerable <TSource> OrderBy <TSource>(this IEnumerable <TSource> source, string sortColum, bool isDescending)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (string.IsNullOrWhiteSpace(sortColum))
{
throw new ArgumentException("Input cannot be null or empty", "sortColum");
}
return(OrderByInternal.EnumerableOrder(source, new OrderItem {
SortColum = sortColum, OrderDirection = Orderby.GetOrderDirection(isDescending)
}, out _));
}