Linq to实体多个WHERE子句＆amp;＆amp;

Question

代码bdehind＆amp;＆amp;语法不起作用，有什么想法吗？

Entities ctx3 = new Entities();
var uniqueQuote = from quot in ctx3.Quotes.Include("aspnet_Users").Include("Enquiries")
  where quot.Enquiries.EnquiryId == selectedEnquiryId &&
     quot.aspnet_Users.UserId == currentUserId
  orderby quot.QuotePrice
  select quot;

错误2委托'System.Func'不带'1'参数C：\ LocalGarageFinder \ LocalGarageFinder \ EnquiryDetail.aspx.cs 56 33 LocalGarageFinder

Answer 1

编写的代码很好。如果您收到某种错误，请告诉我们。

Answer 2

如果EnquiryId或UserId是Nullable类型，您将收到错误。使用EnquiryId.Value == selectedEnquiryId或UserId.Value == currentUserId