private void btnExit_Click(object sender, EventArgs e) { this.Hide(); QuanliNV ql = new QuanliNV(); ql.Show(); }
private void nhânViênToolStripMenuItem_Click(object sender, EventArgs e) { this.Hide(); QuanliNV ql = new QuanliNV(); ql.Show(); }
private void btnLogin_Click(object sender, EventArgs e) { try { SqlConnection con = new SqlConnection(@"Data Source=.;Initial Catalog=QLKS;Integrated Security=True"); SqlDataAdapter dta = new SqlDataAdapter("Select * From NHANVIEN Where TAIKHOAN = '" + txtUser.Text + "' and MATKHAU = '" + txtPass.Text + "' and CHUCVU = 'QuanLy'", con); DataTable dtb = new DataTable(); dta.Fill(dtb); if (dtb.Rows[0][0].ToString() != "NULL") { this.Hide(); QuanliNV ql = new QuanliNV(); ql.Show(); } }catch (Exception ex) { } lblCB.Text = "Tai khong hoac mat khau khong chinh xac!"; }