private void button2_Click(object sender, EventArgs e) { string username = textBox1.Text; string pass = textBox2.Text; bool isThere = false; connection.Open(); SqlCommand command = new SqlCommand("Select *from Login", connection); SqlDataReader reader = command.ExecuteReader(); while (reader.Read()) { if (username == Cryptology.Decryption(reader["username"].ToString().TrimEnd(), 2) && pass == Cryptology.Decryption(reader["pass"].ToString().TrimEnd(), 2)) { isThere = true; break; } else { isThere = false; } } connection.Close(); if (isThere) { MessageBox.Show("successfully logged in", "Program"); } else { MessageBox.Show("login failed", "program"); } }
private void button2_Click(object sender, EventArgs e) { connection.Open(); SqlCommand command = new SqlCommand("Insert into Login (username,pass,re_pass,e_mail,phone) values ('" + Cryptology.Encryption(textBox1.Text, 2) + "','" + Cryptology.Encryption(textBox2.Text, 2) + "','" + Cryptology.Encryption(textBox3.Text, 2) + "','" + Cryptology.Encryption(textBox4.Text, 2) + "','" + Cryptology.Encryption(textBox5.Text, 2) + "')", connection); command.ExecuteNonQuery(); connection.Close(); //MessageBox.Show("!!!", "Program"); this.Hide(); Form1 form1 = new Form1(); form1.Show(); }