C# da While Döngüsü

c#

private void button1_Click(object sender, EventArgs e)

        {

            int a, n , c=0;

            a = Convert.ToInt32(textBox1.Text);

            while (n<=a)

            {

                c = n + c;

                label3.Text = c.ToString();

                n++;

            }

           

        }