private void btnSave_Click(object sender, EventArgs e)
{
//try {...} catch {...} is how you handle exceptions. I t is always a good idea to wrap complex operations inside
//this code block and monitor for any errors that might appear and prevent program crashes.
try
{
//Collect data from the form
var fname = tbFirstName.Text;
var lname = tbLastName.Text;
var email = tbEmailAddress.Text;
var username = tbUsername.Text;
var gender = Convert.ToInt32(cbGenders.SelectedValue);
var rand = new Random();
//This is my random generation of a password. I am using the first letter of the given first name,
//the last name and a random number generated between 1 and 100.
//This password NEEDS TO BE ENCRYPTED!!!! We will cover that
var password = $"{fname[0]}{lname}{rand.Next(0, 100)}";
//Validate minimum data is collected, as well as any other validation that you may want to enforce.
if (isFormInvalid())
{
MessageBox.Show("Please validate all data before submission!");
}
//Do further validations to checck for username and email address
else if (CheckEmail(email) || CheckUserName(username))
{
MessageBox.Show("A user exists with this email/username!");
}
else
{
var user = new User
{
FirstName = fname,
LastName = lname,
Email = email,
Username = username,
GenderId = gender,
Password = password,
DateCreated = DateTime.Now
};
_dbContext.Users.Add(user);
_dbContext.SaveChanges();
//Functions to Reset the fields to blank and reload all the data in the GridView
//The reload makes the changes appear near real-time.
RefreshGridView();
ResetForm();
}
}
catch (Exception ex)
{
MessageBox.Show($"There has been a fatal error: {ex.Message}");
}
}
private void btnSubmit_Click(object sender, EventArgs e)
{
//Get all values from the form interface. Store in variables for ease of use
var fname = tbFirstName.Text;
var lname = tbLastName.Text;
var plateNum = tbPlateNumber.Text;
var purpose = cbPurpose.SelectedValue;
var item = cbItems.SelectedValue;
var vehicleType = cbVehicleType.SelectedValue;
var DateTimeIn = DateTime.Now;
//Declare an object of the datatype that corresponds with the
//table that you are about to store data in
GateInOut record = new GateInOut();
//Alternatively: var record = new GateInOut();
//Populate the fields in the object
record.FirstName = fname;
record.LastName = lname;
record.PlateNumber = plateNum;
record.PurposeId = (int)purpose;
record.ItemId = Convert.ToInt32(item);
record.VehicleTypeId = int.Parse(vehicleType.ToString());
record.DateTimeIn = DateTimeIn;
//Add the record (or object) to the the table and save changes
ctx.GateInOuts.Add(record);
ctx.SaveChanges();
MessageBox.Show("Data Logged");
}
