private void signupButton_Click_1(object sender, EventArgs e)
{
string emailFmt = @"^(?("")(""[^""]+?""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-\w]*[0-9a-z]*\.)+[a-z0-9]{2,17}))$";
Regex emailFormat = new Regex(emailFmt);
if (usernameTextBox.Text == "" && passwordTextBox.Text == "" && cfmPasswordTextBox.Text == "" && ageComboBox.SelectedItem == null && nameTextBox.Text == "" && matricNoTextBox.Text == "" && phoneNumberTextBox.Text == "" && emailTextBox.Text == "" && homeTextBox.Text == "")
{
MessageBox.Show("Please complete all your details. Thank You.", "Detail Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (usernameTextBox.Text == "")
{
MessageBox.Show("Please enter your username.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (passwordTextBox.Text == "")
{
MessageBox.Show("Please enter your password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (cfmPasswordTextBox.Text == "")
{
MessageBox.Show("Please confirm your password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (ageComboBox.SelectedItem == null)
{
MessageBox.Show("Please select your age.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (matricNoTextBox.Text == "")
{
MessageBox.Show("Please enter your matric no.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (phoneNumberTextBox.Text == "" || homeTextBox.Text == "")
{
MessageBox.Show("Please enter a contact number", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (emailTextBox.Text == "")
{
MessageBox.Show("Please enter your email.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (nameTextBox.Text == "")
{
MessageBox.Show("Please enter your name.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (!passwordTextBox.Text.Equals(cfmPasswordTextBox.Text))
{
MessageBox.Show("Your Passwords do not match. Please Try Again.", "Password Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (!emailFormat.IsMatch(emailTextBox.Text))
{
MessageBox.Show("You Email Address is not in a correct format.", "Email address error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
int userNameErrorCount = 0;
int nameErrorCount = 0;
string matricNo = matricNoTextBox.Text;
matricNo = matricNo.ToUpper();
string PhoneNo = phoneNumberTextBox.Text;
string pwdLength = passwordTextBox.Text;
string username = usernameTextBox.Text;
username = username.ToLower();
string temp = nameTextBox.Text;
temp = temp.ToLower();
int nameLength = temp.Length;
for (int i = 0; i < nameLength; i++)
{
if (temp[i] >= 'a' && temp[i] <= 'z')
{
// do nothing
}
else
{
if (temp[i] == ' ' || temp[i] == '/' || temp[i] == '.')
{
// do nothing
}
else
nameErrorCount++;
}
}
if (username.Length < 6)
{
MessageBox.Show("Your Username must have at least 6 characters.", "Username Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (nameErrorCount > 0)
{
MessageBox.Show("Invalid Name.", "Name Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (pwdLength.Length < 6)
{
MessageBox.Show("Your Password must have at least 6 characters.", "Password Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (PhoneNo.Length < 8)
{
MessageBox.Show("Your Contact Number is not in a correct format. Please Try Again.", "Phone No Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (matricNo.Length < 9)
{
MessageBox.Show("Your Matriculation Number is not in a correct format. Please Try Again.", "Matric No Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
int uNameLength = username.Length;
for (int i = 0; i < uNameLength; i++)
{
if (username[i] >= 'a' && username[i] <= 'z')
{
// do nothing
}
else
{
if (username[i] < '0' || username[i] > '9')
userNameErrorCount++;
}
}
if (userNameErrorCount > 0)
{
MessageBox.Show("Your Username should only have alphanumeric characters. Please Try Again.", "Username Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if ((matricNo[0] != 'A' && matricNo[0] != 'U') || (matricNo[8] < 'A' || matricNo[8] > 'Z'))
{
MessageBox.Show("Your Matriculation Number is not in a correct format. Please Try Again.", "Matric No Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
int matricNoCountError = 0;
for (int i = 1; i < 8; i++)
{
if (matricNo[i] < '0' || matricNo[i] > '9')
matricNoCountError++;
}
if (matricNoCountError > 0)
{
MessageBox.Show("Your Matriculation Number is not in a correct format. Please Try Again.", "Matric No Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
DialogResult result = MessageBox.Show("Confirm signup?", "Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.Yes)
{
string filename = "users.xml";
int getID = 1;
if (File.Exists(filename))
{
getID = User.retrievelastID();
}
User signUp = new User(getID, username, nameTextBox.Text, matricNo, passwordTextBox.Text, emailTextBox.Text, int.Parse(ageComboBox.SelectedItem.ToString()), false, double.Parse(homeTextBox.Text), double.Parse(phoneNumberTextBox.Text));
bool checkUNameExist = signUp.createNewUser();
if (checkUNameExist == true)
{
MessageBox.Show("You have successfully created an account. Thank You!", "Create success", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}
else
{
MessageBox.Show("Username already exists. Please choose another Username. Thank You.", "Username existed.", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
}
}
}