Question

The code below produces an error saying that my input string was not in the correct format. Why?

private void button7_Click(object sender, EventArgs e)
{
    string uriAddTagtoGroup = 
      string.Format("http://localhost:8000/Service/AddTagtoGroup/{group}/{tag}",
                    textBox6.Text, textBox7.Text);
    //line above says input string was not in the correct format?
}

Answer 1

 string.Format("http://localhost:8000/Service/AddTagtoGroup/{0}/{1}", 
                textBox6.Text, textBox7.Text);

use ordinals