private void button1_Click(object sender, EventArgs e)
{
this.Hide(); //Hides Form 1/ Login screen
studentMenu f2 = new studentMenu(); //Create form2 object
f2.ShowDialog();
}
private void but_login_Click(object sender, EventArgs e)
{
//Student Login
connection.Open();
//Create command to validate database
OleDbCommand command = new OleDbCommand();
command.Connection = connection; //Give "command" the conncection
//Create a query
command.CommandText = "select * from LogIn where Username= '******' and Pass= '******' and Privilege = 'student'";
//Excecute query
command.ExecuteNonQuery(); //Do non-query when want to get data from database (Don't want a return)
OleDbDataReader reader = command.ExecuteReader(); //Read data from a dabase
int count = 0; //Variable to count values in command
while (reader.Read())
{
count++; //Finds number of found results for the query executed
}
if (count == 1)
{
//MessageBox.Show("Username and Password is correct for student");
connection.Close(); //Close database
connection.Dispose(); //Releases memory*/
this.Hide(); //Hides Form 1/ Login screen
studentMenu f2 = new studentMenu(); //Create form2 object
f2.ShowDialog(); //Opens Form 2
}
else if (count > 1) //Finds duplicate entry
{
MessageBox.Show("Duplicate Username and Password ");
}
else
{
MessageBox.Show("Username and Password NOT correct");
}
connection.Close();
}
private void but_submit_Click(object sender, EventArgs e)
{
try
{
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
command.CommandText = "insert into Rate(ScreenName, VendorTitle, Review, Rate) values('" + txt_screenName.Text + "', '" + com_vendorTitle.Text + "', '" + txt_review.Text + "' , '" + com_rate.Text + "')";
command.ExecuteNonQuery();
MessageBox.Show("Rating Submitted");
connection.Close();
this.Hide(); //Hides Form 1/ Login screen
studentMenu f1 = new studentMenu(); //Create form2 object
f1.ShowDialog();
}
catch (Exception ex)
{
MessageBox.Show("Please fill in all fields!", "Submission Error");
connection.Close();
}
updateRate();
}
