C# application that counts the number of characters being entered

This application consists of a textbox and a label. As the user types in the text box the label displays the number of characters that have been entered. The code is as follows :

private void textBox1_TextChanged (object sender, EventArgs e)

{
int charactercount;
string labeloutput;

charactercount = textBox1.TextLength;
labeloutput = charactercount.ToString();

lblcount.Text = "Character count : " + labeloutput;

{