C# How to send the value of the numericUpDown to the textbox in Hexadecimal?

Question

then... the numericUpDown even has the count format in Hexadecimal, but when sending to texBox it counts only in decimal has some form of textbox to receive the Numeric given value in Hexadecimal?

I send the Numeric value to the textbox so:

    private void numericUpDown1_ValueChanged(object sender, EventArgs e)
    {
        textBox1.Text = Convert.ToString(numericUpDown1.Value);
    }

Answer 1

Just do a parse for whole and call the method ToString with formatting X2 for two hexadecimal digits.

textBox1.Text = ((int)numericUpDown1.Value).ToString("X2");