private void loginButton_Click(object sender, EventArgs e)
{
string myConnectionString = "server=localhost;database=csharp;uid=root;pwd=password@";
MySqlConnection conn = new MySqlConnection(myConnectionString);
try
{
conn.Open();
string email = textBox1.Text.ToString();
string password = textBox2.Text.ToString();
int error = 0;
string errorMsg = "";
if (!IsValidEmail(email))
{
error++;
errorMsg += "Invalid email address!\n";
}
MySqlCommand cmd = new MySqlCommand("SELECT * FROM users WHERE email = '" + email + "'", conn);
int count = Convert.ToInt32(cmd.ExecuteScalar());
if (count > 0)
{
MySqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
if (rdr.GetString(2) == password)
{
DialogResult res = MessageBox.Show("Logged in successfully!");
if (res == DialogResult.OK)
{
uid = rdr.GetInt16(0);
this.Hide();
homescreen hs = new homescreen();
hs.ShowDialog();
this.Show();
}
}
else
{
MessageBox.Show("Incorrect credentials!");
}
}
}
else
{
MessageBox.Show("Account does not exist!");
this.Hide();
RegisterForm registerForm = new RegisterForm();
registerForm.ShowDialog();
this.Show();
}
}
catch (Exception ex)
{
Debug.Write("DB cannot be connected!");
}
}
private void AddItemButton_Click(object sender, EventArgs e)
{
string myConnectionString = "server=localhost;database=csharp;uid=root;pwd=password@";
MySqlConnection conn = new MySqlConnection(myConnectionString);
try
{
conn.Open();
int uid = LoginForm.uid;
string item = textBox1.Text.ToString();
MySqlCommand cmd = new MySqlCommand("INSERT INTO items(uid, item) VALUES('" + uid + "', '" + item + "')", conn);
cmd.ExecuteNonQuery();
DialogResult res = MessageBox.Show("Successfully Added!");
if (res == DialogResult.OK)
{
this.Hide();
homescreen hs = new homescreen();
hs.ShowDialog();
this.Show();
}
}
catch (Exception ex)
{
Debug.Write("DB cannot be connected!", ex.ToString());
}
}
private void button1_Click(object sender, EventArgs e)
{
this.Hide();
homescreen hs = new homescreen();
hs.ShowDialog();
this.Show();
}
