C# (CSharp) System.Data UniqueConstraint.CanEnableConstraint Examples

CanEnableConstraint() private method

private CanEnableConstraint ( ) : bool
return	bool

Example #1

 private void AddUniqueConstraint(UniqueConstraint constraint)
 {
     DataColumn[] columnsReference = constraint.ColumnsReference;
     for (int i = 0; i < columnsReference.Length; i++)
     {
         if (columnsReference[i].Table != this.table)
         {
             throw ExceptionBuilder.ConstraintForeignTable();
         }
     }
     constraint.ConstraintIndexInitialize();
     if (!constraint.CanEnableConstraint())
     {
         constraint.ConstraintIndexClear();
         throw ExceptionBuilder.UniqueConstraintViolation();
     }
 }

Example #2

File: constraintcollection.cs Project: wolewd/Windows-Server-2003

        private void AddUniqueConstraint(UniqueConstraint constraint)
        {
            DataColumn[] columns = constraint.Columns;

            for (int i = 0; i < columns.Length; i++)
            {
                if (columns[i].Table != this.table)
                {
                    throw ExceptionBuilder.ConstraintForeignTable();
                }
            }

            constraint.Key.GetSortIndex().AddRef();

            if (!constraint.CanEnableConstraint())
            {
                constraint.Key.GetSortIndex().RemoveRef();
                throw ExceptionBuilder.UniqueConstraintViolation();
            }
        }

Example #3

File: ConstraintCollection.cs Project: uQr/referencesource

        private void AddUniqueConstraint(UniqueConstraint constraint) {
            DataColumn[] columns = constraint.ColumnsReference;

            for (int i = 0; i < columns.Length; i++) {
                if (columns[i].Table != this.table) {
                    throw ExceptionBuilder.ConstraintForeignTable();
                }
            }
            constraint.ConstraintIndexInitialize();

            if (!constraint.CanEnableConstraint()) {
                constraint.ConstraintIndexClear();
                throw ExceptionBuilder.UniqueConstraintViolation();
            }
        }