Append one path to another path while uploading a file

Question

I have to append one path to another path . That is , i created folder names and stored it into a string.

The folder names are random numbers from 1 to 26.  I have a folder 'Encrypt' in my Project. Within that folder, 1 to 26 folders were created.

 

Random rand=new Random();

int folder = rand.Next(1,27);

string path = @"\Encrypt\";

 

while uploading a file, the path should be the folder name within the Encrypt folder . How to append the (int folder) into (string path)? Help me please....