private void changePasswordToolStripMenuItem_Click(object sender, EventArgs e) { if (fChP == null) { fChP = new frmChangepass(); fChP.MdiParent = this; fChP.Show(); } else { fChP.Activate(); fChP.Show(); } }
private void btnChapNhan_Click(object sender, EventArgs e) { errorProvider1.SetError(txtTenDN, ""); errorProvider1.SetError(txtKey, ""); tblNhanVien = new NhanVien(); frmIndex fI = (frmIndex)this.MdiParent; var r = tblNhanVien.Select("Username='******' and MaNV ='" + txtKey.Text + "'"); if (r.Count() > 0) { frmChangepass fC = new frmChangepass(txtKey.Text); fC.Show(); this.Close(); } else { MessageBox.Show("Sai tên đăng nhập hoặc Key!"); return; } }