C#•3y ago

❔ EVENT ON TEXT CHANGED

private void txtRH_TextChanged(object sender, EventArgs e)
        {

        }

private void txtRH_TextChanged(object sender, EventArgs e)
        {

        }

private void txtRH_TextChanged(object sender, EventArgs e)
        {

        }

private void txtRH_TextChanged(object sender, EventArgs e)
        {

        }

How can i make a button disable after the textbox is field?