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Constraint.ConstraintName Property

The name of a constraint in the ConstraintCollection.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)

public virtual string ConstraintName { get; set; }

Property Value

Type: System.String
The name of the Constraint.

ExceptionCondition
ArgumentException

The Constraint name is a null value or empty string.

DuplicateNameException

The ConstraintCollection already contains a Constraint with the same name (The comparison is not case-sensitive.).

The ConstraintCollection is returned by the Constraints property of the DataTable class.

The following example iterates through the ConstraintCollection of a DataTable and prints each ConstraintName.

private void PrintConstraintNames(DataTable myTable){
   foreach(Constraint cs in myTable.Constraints){
      Console.WriteLine(cs.ConstraintName);
   }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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