ConstraintViolationException Class

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

Namespace: DevExpress.Xpo.DB.Exceptions

Assembly: DevExpress.Data.v19.2.dll

Declaration

C#

public class ConstraintViolationException :
    SqlExecutionErrorException

VB.NET

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