//go to sale menu form
private void saleButton_Click(object sender, EventArgs e)
{
this.Hide();
SalesPersonMenu salesMenu = new SalesPersonMenu(mainForm, adminOrUser);
salesMenu.ShowDialog();
this.Close();
}
private void OkButton_Click(object sender, EventArgs e)
{
mainForm.TempFoodList.Clear();
this.Hide();
SalesPersonMenu salesPersonMenu = new SalesPersonMenu(mainForm, adminOrUser);
salesPersonMenu.ShowDialog();
this.Close();
}
//go back to admin or user form
private void BackButton_Click(object sender, EventArgs e)
{
if (adminOrUser == 1) //if adminOrUser variable equal to 1 then goto the sales person menu form
{
this.Hide();
SalesPersonMenu salesMenu = new SalesPersonMenu(mainForm, adminOrUser);
salesMenu.ShowDialog();
this.Close();
}
else if (adminOrUser == 2)//if adminOrUser variable equal to 2 then goto the admin form
{
this.Hide();
Admin admin = new Admin(mainForm, adminOrUser);
admin.ShowDialog();
this.Close();
}
}
private void loginpic_Click(object sender, EventArgs e)
{
{
string userinput;
string userpass;
string DbFileLocation = @"D:\SampleDatabase.mdf";
string ConnectionString = @"Data Source = (LocalDB)\MSSQLLocalDB; AttachDbFilename = " + DbFileLocation + "; Integrated Security = True";
SqlConnection con = new SqlConnection(ConnectionString); //connect the database with connection string
con.Open(); //open the database
string sql = "";
SqlCommand cmd = new SqlCommand(sql, con);
cmd.CommandText = "SELECT COUNT(*) FROM UserTable";
Int32 count = (Int32)cmd.ExecuteScalar();
userinput = username.Text;
userpass = password.Text;
//loop through the database
for (int i = 1; i <= count; i++)
{
cmd.CommandText = "SELECT UserName FROM UserTable WHERE ID = " + i;
string useroutput = (String)cmd.ExecuteScalar();
cmd.CommandText = "SELECT Password FROM UserTable WHERE ID = " + i;
string passoutput = (String)cmd.ExecuteScalar();
// if the data of username and password is match with the data in database
if (userinput == useroutput && userpass == passoutput)
{
cmd.CommandText = "SELECT UserOrAdmin FROM UserTable WHERE ID = " + i;
int userOrAdmin = (int)cmd.ExecuteScalar();
if (userOrAdmin == 1) //if the user is a salesman then go to Sales Menu
{
adminOrUser = 1;
this.Hide();
SalesPersonMenu salesMenu = new SalesPersonMenu(mainForm, adminOrUser);
salesMenu.ShowDialog();
this.Close();
}
else if (userOrAdmin == 2) //if the user is an admin then go to Sales Menu
{
adminOrUser = 2;
var query =
from value in mainForm.FoodMenuList
where value.productQuantity < 10
select value;
//loop through the item in food menu list
foreach (var item in query)
{
//if there is any product quantity less than 10 then assign lock stock counter as 1
lowStockCounter = 1;
}
//if there is any product that is low stock, then display messgaeox
if (lowStockCounter == 1)
{
MessageBox.Show("Low of Stock.",
"", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
}
this.Hide();
Admin admin = new Admin(mainForm, adminOrUser); //goto admin form
admin.ShowDialog();
this.Close();
}
}
//if the username and password is not correct
else if ((userinput != useroutput || userpass != passoutput) && i == count)
{
counter = counter + 1;
//display the count of the wrong input in the message box
MessageBox.Show("Not Correct, Try " + counter + " times. Close at 5th Counter");
if (counter == 5)
{
this.Close();
}
}
}
con.Close();
}
}