Changing startup form in C#

I am using visual studio 2010 express but i wonder how can i change startup form when the program runs as i have multiple form 开发者_如何学JAVAwithin my application. I thought of doing so but i figured out that every form i am creating uses the same namespace. Please help me.

Look in Program.cs in the Main function for something like this

Application.Run(new MyForm());

Change MyForm to your other form.