public static bool IsUniqueEntry(TextBox textBox)
{
bool success = true;
if ("Product Code".Equals(textBox.Tag))
{
Product[] products = ProductDB.GetProducts();
if (products != null)
{
for (int i = 0; i < ProductDB.count; i++)
{
if (products[i].Code.Equals(int.Parse(textBox.Text)))
{
MessageBox.Show(textBox.Tag + " already exists, please enter new unique value.", Title);
textBox.Clear();
textBox.Focus();
success = false;
}
}
}
}
if ("Technician ID".Equals(textBox.Tag))
{
Technician[] technicians = TechnicianDB.GetTechnicians();
if (technicians != null)
{
for (int i = 0; i < TechnicianDB.count; i++)
{
if (technicians[i].ID.Equals(int.Parse(textBox.Text)))
{
MessageBox.Show(textBox.Tag + " already exists, please enter new unique value.", Title);
textBox.Clear();
textBox.Focus();
success = false;
}
}
}
}
if ("Customer ID".Equals(textBox.Tag))
{
Customer[] customers = CustomerDB.GetCustomers();
if (customers != null)
{
for (int i = 0; i < CustomerDB.count; i++)
{
if (customers[i].ID.Equals(int.Parse(textBox.Text)))
{
MessageBox.Show(textBox.Tag + " already exists, please enter new unique value.", Title);
textBox.Clear();
textBox.Focus();
success = false;
}
}
}
}
return(success);
}
private void MaintainTechnician_Load(object sender, EventArgs e)
{
techs = TechnicianDB.GetTechnicians();
if (techs != null)
{
FillTechnicianListBox();
}
}