private void btnCreateAccount_Click(object sender, EventArgs e)
{
string username = tbxUsername.Text;
string password = tbxPassword.Text;
string queryUsername = $"select username from account " +
$"where username = '******';";
DataTable Usernamedtbl = Filler.DataTableFiller(queryUsername);
if (Usernamedtbl.Rows.Count != 0)
{
MessageBox.Show("Username Already Exists", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
if (lblPasswordQuality.ForeColor != Color.Green)
{
MessageBox.Show("Create Stronger Password", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else if (tbxPassword.Text != tbxConfirmPassword.Text)
{
MessageBox.Show("Passwords Do Not Match", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
Account g = new Account(username, password);
string queryCreateAccount = $"insert into account values('{g.GetUsername()}','{Encryption.sha256(g.GetPassword())}');";
Filler.InserterDeleter(queryCreateAccount);
MessageBox.Show("Account Created", "New", MessageBoxButtons.OK,
MessageBoxIcon.Information);
LogIn li = new LogIn();
this.Hide();
li.ShowDialog();
li.Dispose();
this.Close();
}
}
}
private void fillCustomerDataTable()
{
string query = "select firstname, lastname, telephone, email " +
"from customer;";
DataTable Customerdtbl = Filler.DataTableFiller(query);
foreach (DataRow row in Customerdtbl.Rows)
{
string[] rowarray = { row["firstname"].ToString().Trim(),
row["lastname"].ToString().Trim(),
row["telephone"].ToString().Trim(),
row["email"].ToString().Trim() };
customerGrid.Rows.Add(rowarray);
}
}
private void btnDeleteInv_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("Are You Sure You Wish To Delete", "Warning", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
string vin = inventoryGrid.CurrentRow.Cells[0].Value.ToString();
string query = $"delete from inventory where vin = '{vin}';";
Filler.InserterDeleter(query);
inventoryGrid.Rows.Clear();
fillInventoryDataTable();
}
else if (dialogResult == DialogResult.No)
{
}
}
private void fillSalesDataTable()
{
string query = "select firstname, lastname, modelyear, make, model, modeltrim, price " +
"from customer, inventory, sales " +
"where sales.customerID = customer.customerID " +
"and sales.inventoryID = inventory.inventoryID;";
DataTable Salesdtbl = Filler.DataTableFiller(query);
foreach (DataRow row in Salesdtbl.Rows)
{
string[] rowarray = { row["firstname"].ToString().Trim() + " " + row["lastname"].ToString().Trim(),
row["modelyear"].ToString().Trim() + " " + row["make"].ToString().Trim() + " " + row["model"].ToString().Trim() + " " + row["modeltrim"].ToString().Trim(),
row["price"].ToString().Trim() };
salesGrid.Rows.Add(rowarray);
}
}
private void btnDeleteCus_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("Are You Sure You Wish To Delete", "Warning", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
string no = customerGrid.CurrentRow.Cells[2].Value.ToString();
string query = $"delete from customer where telephone = {no};";
Filler.InserterDeleter(query);
customerGrid.Rows.Clear();
fillCustomerDataTable();
}
else if (dialogResult == DialogResult.No)
{
}
}
private void fillInventoryDataTable()
{
string query = "select vin, color, make, model, modeltrim, modelyear, mileage " +
"from inventory " +
"where sold = 0;";
DataTable Inventorydtbl = Filler.DataTableFiller(query);
foreach (DataRow row in Inventorydtbl.Rows)
{
string[] rowarray = { row["vin"].ToString().Trim(),
row["color"].ToString().Trim(),
row["modelyear"].ToString().Trim(),
row["make"].ToString().Trim(),
row["model"].ToString().Trim(),
row["modeltrim"].ToString().Trim(),
row["mileage"].ToString().Trim() };
inventoryGrid.Rows.Add(rowarray);
}
}
private void btnLogIn_Click(object sender, EventArgs e)
{
string username = tbxUsername.Text;
string password = tbxPassword.Text;
string queryUsername = $"select username, password from account " +
$"where username = '******';";
DataTable Usernamedtbl = Filler.DataTableFiller(queryUsername);
if (Usernamedtbl.Rows.Count == 0)
{
MessageBox.Show("User Not Found", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
foreach (DataRow row in Usernamedtbl.Rows)
{
if (row["password"].ToString().Trim() != Encryption.sha256(password))
{
MessageBox.Show("Incorrect Password", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
DataViewControl dvc = new DataViewControl();
this.Hide();
dvc.ShowDialog();
dvc.Dispose();
this.Close();
}
}
}
}
private void btnAddCar_Click(object sender, EventArgs e)
{
if (tbxVin.Text.Length == 17)
{
if (String.IsNullOrEmpty(tbxMake.Text) == false)
{
if (String.IsNullOrEmpty(tbxModel.Text) == false)
{
if (String.IsNullOrEmpty(tbxTrim.Text) == false)
{
if (String.IsNullOrEmpty(tbxColor.Text) == false)
{
try
{
vin = tbxVin.Text;
year = int.Parse(cbxYear.Text);
make = tbxMake.Text;
model = tbxModel.Text;
trim = tbxTrim.Text;
color = tbxColor.Text;
mileage = int.Parse(tbxMileage.Text);
string query = $"insert into inventory values('{vin}','{color}','{make}','{model}','{trim}',{year},{mileage},0);";
Filler.InserterDeleter(query);
DataViewControl dvc = new DataViewControl();
this.Hide();
dvc.tabControl1.SelectedTab = dvc.inventoryPage;
dvc.ShowDialog();
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
MessageBox.Show("Please Enter Color");
}
}
else
{
MessageBox.Show("Please Enter Trim");
}
}
else
{
MessageBox.Show("Please Enter Model");
}
}
else
{
MessageBox.Show("Please Enter Make");
}
}
else
{
MessageBox.Show("Please Enter Valid Vin");
}
}
