public formMainMenu(formUserAccount gameScreen)
{
InitializeComponent();
this.gameScreen = gameScreen;
//to make sure the window screen is display at centre
this.StartPosition = FormStartPosition.CenterScreen;
}
private void btnLogIn_Click(object sender, EventArgs e)
{
MarioCraftModel ctx = new MarioCraftModel();
//gameUser = ctx.GAMEUSERs.First();
var user = from u in ctx.GAMEUSERs where u.USEREMAIL == txtEmail.Text select u;
//var gu = from u in ctx.GAMEUSERs where u.USERPASSWORD == txtPassword.Text select u;
//if either email or password field empty display error message
if (txtEmail.Text.Equals("") && txtPassword.Text.Equals(""))
{
MessageBox.Show("Email and Password field cannot be empty", "Email or Password field empty",
MessageBoxButtons.OK, MessageBoxIcon.Error);
txtEmail.Focus();
return;
}
//https://dotprogramming.blogspot.com/2015/09/login-form-using-entity-framework-in.html
//check if user email matches database
var userExist = user.FirstOrDefault(a => a.USEREMAIL.Equals(txtEmail.Text));
//if email match record in database
if (userExist != null)
{
//if password matches records in database
if (userExist.USERPASSWORD.Equals(txtPassword.Text))
{
MessageBox.Show("Log in success!", "Log In Confirmation",
MessageBoxButtons.OK, MessageBoxIcon.Information);
formUserAccount gameScreen = new formUserAccount(txtEmail.Text);
this.Close();
gameScreen.Show();
}
else
{
errorProvider1.SetError(txtPassword, "Password does not match record,please try again");
txtPassword.Focus();
return;
}
}
else
{
MessageBox.Show("Game user not found",
"Invalid Email address",
MessageBoxButtons.OK, MessageBoxIcon.Error);
txtEmail.Focus();
return;
}
}