DataParameter.IsOptional Property
Retrieves a Boolean value indicating whether this parameter is optional, in cases where this parameter is a derived parameter.
Namespace: Microsoft.VisualStudio.Data
Assembly: Microsoft.VisualStudio.Data (in Microsoft.VisualStudio.Data.dll)
Syntax
'Declaration
Public Overridable ReadOnly Property IsOptional As Boolean
'Usage
Dim instance As DataParameter
Dim value As Boolean
value = instance.IsOptional
public virtual bool IsOptional { get; }
public:
virtual property bool IsOptional {
bool get ();
}
public function get IsOptional () : boolean
Property Value
Type: System.Boolean
Returns true if this parameter is optional; otherwise returns false.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | This parameter is not derived. |
Remarks
If this parameter was not created as derived, then an InvalidOperationException is raised.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.