ConstraintCollection.Contains Method (String)

 

Indicates whether the Constraint object specified by name exists in the collection.

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

member Contains : 
        name:string -> bool

Parameters

name
Type: System.String

The ConstraintName of the constraint.

Return Value

Type: System.Boolean

true 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.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 1.1
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