问题
I am using DBExpress to connect to MySQL. I have a master detail relationship between two tables. I am providing the parent table via DatasetProvider. On the client side I have 2 clientdatasets. One of them accesses the provider, has all the parent field + the nested dataset field of the child. The second clientdataset Dataset field property is set to the nested dataset field of the parent.
Now when I add a new record in the child dataset, it gives me an error "No corresponding master record found."
Don't know why.
Nirav
回答1:
There is a big bug in clientdataset and the tdatasetfields (nesteddataset) when you do link. This happens in XE and XE2 Rules: If you want nested dataset with one provider, you must have the same column name for link table Period.
来源：https://stackoverflow.com/questions/10297744/delphi-dbexpress-parent-child-no-corresponding-master-record-found