Constraint.ConstraintName Property

Definition

Namespace:

System.Data

Assembly:

System.Data.Common.dll

Source:

Constraint.cs

The name of a constraint in the ConstraintCollection.

public:
 virtual property System::String ^ ConstraintName { System::String ^ get(); void set(System::String ^ value); };

public virtual string ConstraintName { get; set; }

member this.ConstraintName : string with get, set

Public Overridable Property ConstraintName As String

Property Value

String

The name of the Constraint.

Exceptions

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.).

Examples

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);
   }
}

Private Sub PrintConstraintNames(myTable As DataTable)
    Dim cs As Constraint
    For Each cs In  myTable.Constraints
        Console.WriteLine(cs.ConstraintName)
    Next cs
End Sub

Remarks

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