Please update me that, If the application was developed by the C#, and VB code. Is it show error, When I compile this application.

Question

Hi Friends,
Please update me that,

1. If the application was developed by the C#, and VB codes. Is it show error, When I compile this application.

2. If I have two class files, First one was developed by the C# code, and second one was developed by the VB code, Is it produce error, when I compile it.

Thanks