ConstraintViolationException Class

An exception that is thrown when a key or index constraint fails.

Namespace: DevExpress.Xpo.DB.Exceptions

Assembly: DevExpress.Data.v20.1.dll

Declaration

public class ConstraintViolationException :
    SqlExecutionErrorException
Public Class ConstraintViolationException
    Inherits SqlExecutionErrorException

Remarks

This exception is thrown whenever an SQL statement being executed violates any of the following:

  • Primary key constraints.
  • Foreign key constraints.
  • Unique index constraints.

Solution:

- Ensure that the SQL statement provides unique key or index values. See the exception's SqlExecutionErrorException.Sql and SqlExecutionErrorException.Parameters parameter descriptions for additional information about the erroneous SQL statement.

Inheritance

Object
Exception
SqlExecutionErrorException
ConstraintViolationException
See Also