// Adds Supplier by name to the list of suppliers and appends it to the DB
private void btnAddSuppliers_Click(object sender, EventArgs e)
{
// get input supplier.Text and append to list and then DB
if (Validator.IsProvided(txtSuppliers, "Supplier Name"))
{
string supplier = txtSuppliers.Text.ToUpper();
bool valid = true;
foreach (Supplier createdSup in suppliers)
{
if (createdSup.SupName == supplier)
{
MessageBox.Show(supplier + " already exists");
valid = false;
break;
}
}
if (valid)
{
Supplier sup = new Supplier();
sup.SupName = supplier;
sup.SupplierId = SupplierDB.AddSupplier(sup);
suppliers = SupplierDB.GetSuppliers();
displaySuppliers();
listSuppliers();
txtSuppliers.Clear();
MessageBox.Show(supplier + " was added");
}
}
}
// display lsit box of supplies
private void displaySuppliers()
{
suppliers = SupplierDB.GetSuppliers();
lbSuppliers.Items.Clear();
// take all the suppliers from list and display it in the list box
foreach (Supplier supplier in suppliers)
{
lbSuppliers.Items.Add(supplier.SupName);
}
}
// on load check if supplier or product is being edited and display respective messages
private void EditProdSup_Load(object sender, EventArgs e)
{
products = ProductDB.GetProducts();
suppliers = SupplierDB.GetSuppliers();
if (SelectedProductName != null)
{
btnUpdate.Text = "Update Product";
lblProdSup.Text = "Selected Product Name:";
txtProdSup.Text = SelectedProductName;
txtProdSup.MaxLength = 50;
}
else
{
btnUpdate.Text = "Update Supplier";
lblProdSup.Text = "Selected Supplier Name:";
txtProdSup.Text = SelectedSupplierName;
txtProdSup.MaxLength = 255;
}
}
