ConstraintCollection::Contains Method (String^)
.NET Framework (current version)
Indicates whether the Constraint object specified by name exists in the collection.
Assembly: System.Data (in System.Data.dll)
Parameters
- name
-
Type:
System::String^
The ConstraintName of the constraint.
Return Value
Type: System::Booleantrue if the collection contains the specified constraint; otherwise, false.
Use the Contains method to determine whether the specified Constraint exists before trying to remove it from the collection. You can also use the CanRemove method to determine whether a Constraint can be removed.
The following example determines whether the specified Constraint exists in the ConstraintCollection before its deletion.
.NET Framework
Available since 1.1
Available since 1.1
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