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protected void TheButton_Click(object sender, EventArgs e)
{
Button senderButton = sender as Button;
string yearMessage = string.Empty;
if (senderButton.CommandName == "ThisYearCommand")
{
yearMessage = "this year";
}
else if (senderButton.CommandName == "LastYearCommand")
{
yearMessage = "last year";
}
ResultLabel.Text += string.Format("Countries visited by {0} {1}: <br/>", NameTextBox.Text, yearMessage);
foreach (ListItem item in CountryList.Items)
{
if (item.Selected)
{
ResultLabel.Text += "* " + item.Value + "<br/>";
}
}
ResultLabel.Text += "<br/>";
}