Linq to Entities问题 | Entities问题

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我的数据库中有一个商家表。它有一个BusinessID作为其PK与SQl自动增量。

一切正常，但我对某事感到困惑。

Business NewBusiness = new Business（） ;
NewBusiness.Name = BusinessNameTxt.Text;

BusinessActions Ba = new BusinessActions（）;

NewBusiness.BusinessID //它会给我一个自动编号。它在我插入记录之前知道这一点，这是如何工作的？。

如果i 5个网页同时插入一条记录，那将是多么美好。 linq会不会得到重复的数字？

这是一个有趣的问题。

谢谢

gary

解决方案

I have a Business Table in my DB. it has a BusinessID as its PK with SQl auto Increment.

All works fine however i am confused about something.

Business NewBusiness = new Business();
        NewBusiness.Name = BusinessNameTxt.Text;


        BusinessActions Ba = new BusinessActions();

NewBusiness.BusinessID // it will give me the auto number. It knows this before i insert the record, how does this work ?.

what happnes if i 5 webpages eatch inserting a record at the same time. will linq to entites not get duplicate numbers ?

this is a interesting question.

thanks

gary

解决方案

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