DBDataPermission.Union Method (IPermission)
Returns a new permission object that is the union of the current and specified permission objects.
Assembly: System.Data (in System.Data.dll)
A permission object to combine with the current permission object. It must be of the same type as the current permission object.
Return ValueType: System.Security.IPermission
A new permission object that represents the union of the current permission object and the specified permission object.
The target object is not the same type as the current permission object.
The result of a call tois a permission that represents all the operations permitted by both the current permission object and the specified permission object. Any demand that passes either permission passes their union.
Available since 1.1