cannot convert from 'System.Guid?' to 'System.Guid'

Question

Does anyone know how to deal with this error?

cannot convert from \'System.Guid?\' to \'System.Guid\'

Answer 1

Use Guid?.Value property to convert 'System.Guid?' to 'System.Guid'. as following example

 Obj GetValue(Guid yourID)
{
return FetchObject(yourID)
}
Void main()
{
Guid? passvalue;
Obj test = GetValue(passvalue.Value);
}