一个MVC的问题，我用了一个ascx页面，引用model 里面的数据，就出现这个错误，是咋回事啊？

The model item passed into the dictionary is of type 'CarData.OrderCarShareAndUser' but this dictionary requires a model item of type 'System.Collections.Generic.IEnumerable`1[CarData.OrderCarShareAndUser]'