So for the Add Item button to work, you can never delete all of your data from the model.
因此要想使AddItem按钮起作用,决不能删除模型中的所有数据。
Then, in the Edit Directory attribute value, delete .edit so that it is set to /org.example.mysql/src (item 3)
然后,在EditDirectory属性值中,删除 .edit,这样它就会被设置成 /org.example.mysql/src (item 3)
Then, in the Edit Directory attribute value, delete .edit so that it is set to /org.example.mysql/src (item 3)
然后,在EditDirectory属性值中,删除 .edit,这样它就会被设置成 /org.example.mysql/src (item 3)
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