Code example 7-1private void btnCalculate_Click(object sende…

Code example 7-1private void btnCalculate_Click(object sender, System.EventArgs e){    decimal weightInPounds = 0m;    try    {        weightInPounds = Convert.ToDecimal(txtPounds.Text);        if (weightInPounds > 0)        {            decimal weightInKilos = weightInPounds / 2.2m;            lblKilos.Text = weightInKilos.ToString(“f2”);        }        else        {            MessageBox.Show(“Weight must be greater than 0.”, “Entry error”);           txtPounds.Focus();        }    }    catch(FormatException)    {        MessageBox.Show(“Weight must be numeric.”, “Entry error”);        txtPounds.Focus();    }} (Refer to code example 7-1.) If the user enters “200#” in the text box and clicks the Calculate button, what does the code do?