//This method checks to see if password and username input from each textbox matches password and username data stored in the USER table in the application database.
public void LoginUser()
{
ModelRegisterLogin user = new ModelRegisterLogin();
List <ModelRegisterLogin> list = cl.GetAllFromUser(connectionString);
try
{
user = list.Find((ModelRegisterLogin x) => x.USER_LIBRARY_CARD_ID == Int32.Parse(tbUsernameLog.Text));
if (user == null)
{
MessageBox.Show("Incorrect username or password\nPlease recheck your credentials and try again", "Error");
tbUsernameLog.Text = "";
tbPasswordLog.Password = "";
}
else if (user.USER_LIBRARY_CARD_ID.ToString().Equals(tbUsernameLog.Text) && user.USER_PASSWORD.ToString().Equals(tbPasswordLog.Password))
{
MessageBox.Show("Login Successful !\nWelcome " + user.USER_FNAME.ToString());
MainMenu mm = new MainMenu(Int32.Parse(tbUsernameLog.Text));
mm.Show();
this.Close();
}
else
{
MessageBox.Show("Incorrect username or password\nPlease recheck your credentials and try again", "Error");
tbUsernameLog.Text = "";
tbPasswordLog.Password = "";
}
}
catch (System.Exception)
{
MessageBox.Show("Incorrect username or password\nPlease recheck your credentials and try again", "Error");
tbUsernameLog.Text = "";
tbPasswordLog.Password = "";
}
}
