What is simple code to upload data in C#?

General talk
1 
	public class MyClass
	{
		float lat=1.234f;
		float lon=4.321f;
		string tagName="note";
		string tagValue="test point";
		string login ="user";
		string password ="pass";
		
		void Upload()
		{
?????????????????????????????????????????????????????
		}
	}

Using frameworks acceptable.

Thank you.

2

Did you find something here?

http://wiki.openstreetmap.org/wiki/Frameworks

3

I think I CAN find, but I just ask if someone have simple working code like quickstart.