private void btn_login_Click(object sender, EventArgs e)
{
if (txt_user.Text == "admin" && txt_pass.Text == "admin123")
{
Admin_Dashboard admin = new Admin_Dashboard(this);
admin.Show();
this.Hide();
}
else
{
sql.Open();
string username = txt_user.Text.Trim();
try
{
string query = "Select Student_Id,Password from [dbo].[student_details] where Student_Id = " + Convert.ToInt64(username);
SqlCommand cmd = new SqlCommand(query, sql);
SqlDataReader reader = cmd.ExecuteReader();
reader.Read();
try
{
if ((reader[0].ToString().Trim() == txt_user.Text) && (reader[1].ToString().Trim() == txt_pass.Text))
{
User_Dashboard user = new User_Dashboard(this, username);
user.Show();
this.Hide();
}
else
{
MessageBox.Show("Invalid Password");
}
}
catch
{
MessageBox.Show("Invalid Username");
}
}
catch
{
MessageBox.Show("Invalid Username or password");
}
}
sql.Close();
}
public Book_shelf(User_Dashboard reference, string user_info)
{
user = user_info;
back = reference;
InitializeComponent();
}
public Reset_password(User_Dashboard reference, string user_info)
{
user = user_info;
back = reference;
InitializeComponent();
}
public Contact_us_user(User_Dashboard reference)
{
back = reference;
InitializeComponent();
}
public Wishlist(User_Dashboard reference, string user_name)
{
user = user_name;
back = reference;
InitializeComponent();
}
public Issued_books(User_Dashboard reference, string user_info)
{
user = user_info;
back = reference;
InitializeComponent();
}