如何在Entity Framework中添加外键关系？

问题描述

，创建外键关联的步骤如下：

...一定要检查添加外部填写关系详细信息时，实体复选框的关键属性。

另请参见：

Click here to see how to do it while using a code first approach. Below the original database first approach question and answer.

I am using Entity Designer to create a database first model. Now I want to create a foreign key relationship between ProductId and ProductId (see below). I looked at the "add new association" but I cannot connect the two items. Can someone more experienced tell me how to accomplish this?

解决方案

According to Relationships/Associations with the EF Designer, the steps to create a foreign key association are:

...being sure to check the Add foreign key properties to the Entity checkbox when filling in the relationship details.

See also: Relationships, Navigation Properties, and Foreign Keys

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