public static IQueryable <T> ThenBy <T>(this IQueryable <T> source, PropertySortCondition condition)
{
if (condition == null)
{
throw new ArgumentNullException("condition");
}
return(QuerySortHelper <T> .ThenBy(source, condition.PropertyName, condition.ListSortDirection));
}
public static IQueryable <T> ThenBy <T>(this IQueryable <T> source, string propertyName, ListSortDirection listSortDirection)
{
if (string.IsNullOrWhiteSpace(propertyName))
{
throw new ArgumentNullException("propertyName");
}
return(QuerySortHelper <T> .ThenBy(source, propertyName, listSortDirection));
}
public static IQueryable <T> Sort <T>(this IQueryable <T> source, params PropertySortCondition[] conditions)
{
int index = 0;
foreach (var condition in conditions)
{
if (index == 0)
{
source = QuerySortHelper <T> .OrderBy(source, condition.PropertyName, condition.ListSortDirection);
}
else
{
source = QuerySortHelper <T> .ThenBy(source, condition.PropertyName, condition.ListSortDirection);
}
}
return(source);
}
