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Asked: 2026-05-23T18:14:33+00:00

I am trying to set up a DataRelation between two mysql Tables. The parent-table

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I am trying to set up a DataRelation between two mysql Tables. The parent-table “organisations” has a primary-key (int, autoinc) named “organisationID”.

The child table (“authors”) stores the foreignkey (organisations.organisationID) as “organisation” (int).

Now when I try to setup the DataRelation I will always get an exception: Parent Columns and Child Columns don’t have type-matching columns.

My guess is that .NET is sensing a type difference between the autoinc int and the regular int of the foreignkey column.

Any ideas on this one?

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1 Answer

  1. Editorial Team

    Be sure to set your foreign key to type INT in your dataset designer

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