private void btn_bookList_Click(object sender, EventArgs e)
{
BookList obj = new BookList(id1, type1);
obj.ShowDialog();
}
private void btn_login_Click(object sender, EventArgs e)
{
if (combo_type.Text == "Admin")
{
if (text_id.Text != "" && text_pw.Text != "")
{
try
{
string connectionString = "datasource=localhost;port=3306;userid=root;password=1234;";
MySqlConnection connection = new MySqlConnection(connectionString);
string query = "SELECT password FROM lms.admin_login WHERE id ='" + text_id.Text + "'";
MySqlCommand cmd = new MySqlCommand(query, connection);
connection.Open();
MySqlDataReader reader;
reader = cmd.ExecuteReader();
if (reader.Read())
{
if (text_pw.Text == reader.GetString(0))
{
MessageBox.Show("Login Successfull!");
this.Hide();
Admin obj = new Admin(text_id.Text, combo_type.Text);
obj.Show();
}
else
{
MessageBox.Show("Wrong Password!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid ID!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
connection.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else
{
MessageBox.Show("Fields are empty!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else if (combo_type.Text == "Member")
{
if (text_id.Text != "" && text_pw.Text != "")
{
try
{
string connectionString = "datasource=localhost;port=3306;userid=root;password=1234;";
MySqlConnection connection = new MySqlConnection(connectionString);
string query = "SELECT m_password FROM lms.member_login WHERE m_id ='" + text_id.Text + "'";
MySqlCommand cmd = new MySqlCommand(query, connection);
connection.Open();
MySqlDataReader reader;
reader = cmd.ExecuteReader();
if (reader.Read())
{
if (text_pw.Text == reader.GetString(0))
{
MessageBox.Show("Login Successfull!");
this.Hide();
Admin obj = new Admin(text_id.Text, combo_type.Text);
obj.Show();
}
else
{
MessageBox.Show("Wrong Password!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid ID!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
connection.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else
{
MessageBox.Show("Fields are empty!!", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else if (combo_type.Text == "Guest")
{
BookList obj = new BookList(text_id.Text, combo_type.Text);
obj.ShowDialog();
}
}
