private void button1_Click(object sender, EventArgs e) { SqlCommand cmd = con.CreateCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = "select * from Person where Username ='******' and password ='******' "; cmd.ExecuteNonQuery(); DataTable dt = new DataTable(); SqlDataAdapter adapter = new SqlDataAdapter(cmd); adapter.Fill(dt); count = Convert.ToInt32(dt.Rows.Count.ToString()); //Login Logic if (count == 0) { MessageBox.Show("Username or Password does not match"); } else { this.Hide(); mdi_user mu = new mdi_user(); mu.Show(); } }
private void loginButton_Click(object sender, EventArgs e) { SqlCommand cmd = con.CreateCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = "Select * from Login_Details where Username='******' and Password='******'"; cmd.ExecuteNonQuery(); DataTable data = new DataTable(); SqlDataAdapter sda = new SqlDataAdapter(cmd); sda.Fill(data); count = Convert.ToInt32(data.Rows.Count.ToString()); if (count == 0) { MessageBox.Show("Wrong Password"); } else { this.Hide(); mdi_user mu = new mdi_user(); mu.Show(); MessageBox.Show("Login Successful"); } }