我有一个视图(X.Xaml),它有一些控件,包括一个CheckBox.
当我检查CheckBox它时应该使会话成为True并且当我取消选中它时,它必须使会话False.
如果我在X.Xaml.cs代码隐藏中执行它,那将很容易但我希望我的代码干净.
无论如何使用Command并在ViewModel端处理它?
我如何在linq中编写此查询?
select * from bills as b inner join customer as c1
On b.shipperID=c1.CustomerID inner join customer c2
On b.ConsigneeID=c2.CustomerID
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我需要如下:
var result=from p1 in entities.bills
join p2 in entities.customer on p1.shipperID equals p2.customerID
join p3 in entities.customer on p1.consigneeID equals p3.customerID
select p2;
return resuls.Tolist()
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谢谢:)