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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, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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