WebSystem.InvalidOperationException: 'There is no ViewData item of type 'IEnumerable' that has the key 'Meal_Plan'.' System.InvalidOperationException HResult=0x80131509 Message=There is no ViewData item of type 'IEnumerable' that has the key 'Meal_Plan'. As Sweko mentioned you can simply return list but in case you don't want the list to be modified from outside, you can call AsEnumerable on your list to expose IEnumerable outside. public IEnumerable GetData() { List yourList = new List(); return yourlist.AsEnumerable(); }

C# : Why IList T does not have Insert methods which take IEnumerable …

WebFor example, ArrayList does not implement IEnumerable, but by calling Cast (IEnumerable) on the ArrayList object, the standard query operators can then be used to … Web所以，Category这个表的集合，就是一个 IEnumerable。后面的那些 select 之类的语句，只是利用linq的扩展方法，对数据进行查询而已。这个.net 3.5提供的语法。 private void BindPageData() { //创建一个Linq to SQL上下文对象 breaching of privacy

c# - How to empty IEnumerable list? - Stack Overflow

Web但是，我必须通过字段索引访问字段，例如结果[2]。这是难以阅读和容易出错-考虑不具有3个buth 30字段。出于这个原因，我更喜欢将每个字段值放在自己的命名变量中。 Web24 mei 2012 · I am using an external library thats returns a IEnumerable. After I have recieved them I would like to add some models to the end. That only seems possible … http://duoduokou.com/csharp/40868358405455855484.html breaching of information