public static TEntity FirstOrDefaultItem <TEntity>(this IQueryable <TEntity> source, Expression <Func <TEntity, bool> > predicate)
where TEntity : class
{
if (source is IEntitySet <TEntity> )
{
source = source as IEntitySet <TEntity>;
}
return(Expressions.FirstOrDefaultItem <TEntity>(source, predicate));
}
public static IEnumerable <TEntity> WhereItem <TEntity>(this IQueryable <TEntity> source, Expression <Func <TEntity, bool> > predicate) where TEntity : class
{
return(Expressions.WhereItem <TEntity>(source, predicate));
}
