private void button1_Click(object sender, EventArgs e)
{
int a, b, c;
string r;
a = Convert.ToInt32(textBox1.Text);
b = Convert.ToInt32(textBox2.Text);
c = a / b;
r = (string.Format("{0:F2}", c));
textBox3.Text = r;
}
private void button2_Click(object sender, EventArgs e)
{
Close();
}
private void button3_Click(object sender, EventArgs e)
{
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
}
}
}
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