//back private void button3_Click(object sender, EventArgs e) { menuGuest myForm = new menuGuest(); this.Hide(); myForm.ShowDialog(); }
private void button4_Click(object sender, EventArgs e) { int count = 0; SqlConnection con = new SqlConnection(@"Data Source=MATAN-PC;Initial Catalog=master;Integrated Security=True"); SqlDataAdapter sda = new SqlDataAdapter("Select Username from UsersInfoDataBase Where Username= '******' and Password= '******'", con); DataTable dt = new System.Data.DataTable(); sda.Fill(dt); if (dt.Rows.Count == 1) { UserInformation.CurrentLoggedInUser = Username.Text; RegMenu myForm = new RegMenu(); myForm.Text = Username.Text; this.Hide(); this.Close(); myForm.ShowDialog(); } else { if (count <= 2) { count = count + 1; MessageBox.Show("Wrong Username or Password, Please try again!", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Error); Username.Clear(); Password.Clear(); } if (count >= 3) { menuGuest newform = new menuGuest(); newform.ShowDialog(); this.Close(); } } }