private void btnSignIn_Click(object sender, EventArgs e) { frmMain fMain = new frmMain(); if (txtUsername.Text.Contains(" ")) { MessageBox.Show("KO duoc chua khoang trang"); } else if (txtPassword.Text.Contains(" ")) { MessageBox.Show("KO duoc chua khoang trang"); } else if (txtUsername.Text=="admin" && txtPassword.Text=="123456") { fMain.Mode = "admin"; } else if (txtUsername.Text =="user" && txtPassword.Text=="654321") { fMain.Mode = "user"; } if (fMain.Mode!="") { this.Hide(); fMain.ShowDialog(); } }
private void frmRapChieu_FormClosed(object sender, FormClosedEventArgs e) { frmMain fMain = new frmMain(); }