private void Reset() { frmDetailProduct or = new frmDetailProduct(); if (Application.OpenForms.OfType <frmDetailProduct>().Any()) { Application.OpenForms.OfType <frmDetailProduct>().First().Close(); or.Show(); } else { or.Show(); } }
private void newProjectToolStripMenuItem_Click(object sender, EventArgs e) { frmDetailProduct dp = new frmDetailProduct(); dp.Show(); }