private void buttonBack_Click(object sender, EventArgs e)
{
//Hides the login page
this.Hide();
InstructorMainView back = new InstructorMainView(username);
//show the register page
back.ShowDialog();
//close the login page
this.Close();
}
private void buttonLoginInstructor_Click(object sender, EventArgs e)
{
//Variables to be used: 1x bool, 4x string
// bool loggedIn = false;
bool found = false;
string username = "", password = "";
//check if boxes are empty, the Trim removes white space in text from either side
if ("".Equals(textBoxUsername.Text.Trim()) || "".Equals(textBoxPassword.Text.Trim()))
{
MessageBox.Show("Please make sure you enter a Username and Password");
return;
}
//(1) GET the username and password from the text boxes, is good to put them in a try catch
try
{
username = textBoxUsername.Text.Trim();
password = textBoxPassword.Text.Trim();
}
catch
{
//Error message, more useful when you are storing numbers etc. into the database.
MessageBox.Show("Username or Password given is in an incorrect format.");
return;
}
string userType = "instructor";
int usernamePos = 0;
int passwordPos = 5;
found = SearchUser(userType, usernamePos, passwordPos, username, password);
if (!found)
{
//message stating we couldn't log in
MessageBox.Show("Login attempt unsuccessful! Please check details");
initialiseTextBoxes();
textBoxUsername.Focus();
}
else
{
//Hides the login page
this.Hide();
InstructorMainView instructor = new InstructorMainView(username);
//show the register page
instructor.ShowDialog();
//close the login page
this.Close();
}
}