public static IEnumerable <LoopItem <TModel, TData> > Loop <TModel, TData>(this IHtmlHelper <TModel> htmlHelper, Expression <Func <TModel, IEnumerable <TData> > > listExpression) where TModel : class
{
var enumerable = listExpression.Compile().Invoke(htmlHelper.ViewData.Model);
var listFunc = LoopItem <TModel, TData> .GetCurrentIndexedExpressionWithIntParam(listExpression).Compile();
return(LoopItem <TModel, TData> .LoopItems(htmlHelper, listExpression, listFunc, enumerable));
}
public IEnumerable <LoopItem <TModel, TData> > Loop <TData>(Expression <Func <T, IEnumerable <TData> > > listExpression)
{
var newExpression = CombineExpression(listExpression);
var compiledFunc2 = (Tuple <Func <T, IEnumerable <TData> >, Func <TModel, int, TData> >)cache.GetOrAdd(typeof(TData), y =>
{
var accessor = GetCurrentIndexedExpressionWithIntParam(newExpression).Compile();
var tuple = new Tuple <Func <T, IEnumerable <TData> >, Func <TModel, int, TData> >(listExpression.Compile(), accessor);
return(tuple);
});
var enumerable = compiledFunc2.Item1(_listFunc.Invoke(_htmlHelper.ViewData.Model, Info.Index));
return(LoopItem <TModel, TData> .LoopItems(_htmlHelper, newExpression, compiledFunc2.Item2, enumerable));
}
