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Editorial Team
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Asked: 2026-05-11T21:00:40+00:00

Before deleting a row from a table, is there any simple way to check

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Before deleting a row from a table, is there any simple way to check that it would violate a referential integrity rule? I’d like to do this from a C# win form application (.Net 3.5) using SQL Server 2005.

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  1. Editorial Team

    There are a few potential options that come to mind:

    • Set up cascading deletes in the database so that a delete will always succeed.
    • Check for related records with SELECTs before deleting. This requires that the application have knowledge of the constraints.
    • A good domain model (business classes) should allow the application to be aware of related records.
    • An O/R Mapper, such as NHibernate, can be used to define cascade delete operations.
    • Use SMO (Microsoft.SqlServer.Smo) to inspect the database schema for relations, then check for existing related records. I don’t know if that’s possible.
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