private Expression<Func<PageElement, bool>> ActiveLanguageCheck(byte lang) { return pe => pe.PageElementLanguages.Where( y => y.Active).Select(y => y.LanguageId).Contains(lang); }
public static Expression<Func<T1, TResult>> ToSimpleFunc<T1, T2, TResult>(Expression<Func<T1, T2, TResult>> f, T2 value) { var invokeExpression = Expression.Invoke(f, f.Parameters[0], Expression.Constant(value)); return Expression.Lambda<Func<T1, TResult>>(invokeExpression, f.Parameters[0]); }