private void DisplayCurrentPackageProductSupplierData()
{
if (productSupplierIds != null) // if we have product suppliers to display
{
lstProductSupplierId.Items.Clear(); //start with empty list box
lstProductSupplierId.Items.Add("Id " + ": " + "Product Name" + ", " + "Supplier Name");
foreach (int id in productSupplierIds)
{
Products_Suppliers ps = Products_SuppliersDB.GetProductSupplierById(id);
lstProductSupplierId.Items.Add(ps);
}
}
else // null this product does not exist - need to refresh combo box
{
packageIds = Packages_Products_SuppliersDB.GetPackageIds();
}
}
private void cboTableNames_SelectedIndexChanged(object sender, EventArgs e)
{
string tableName = cboTableNames.SelectedValue.ToString();
if (tableName == "Products")
{
pnlName.Visible = true;
pnlName2.Visible = false;
lblId.Text = "Product Id";
productIds = ProductsDB.GetProductsIds();
if (productIds.Count > 0) // if there are prodcuts
{
cboId.DataSource = productIds;
cboId.SelectedIndex = 0; // triggers SelectedIndexChanged
}
else // no members
{
MessageBox.Show("There are no products. " +
"Add some products in the database, and restart the application ", "Empty Load");
Application.Exit();
}
DisplayProductData();
}
else if (tableName == "Suppliers")
{
lblId.Text = "Supplier Id";
supplierIds = SuppliersDB.GetSuppliersIds();
pnlName.Visible = true;
pnlName2.Visible = false;
if (supplierIds.Count > 0) // if there are suppliers
{
cboId.DataSource = supplierIds;
cboId.SelectedIndex = 0; // triggers SelectedIndexChanged
}
else // no members
{
MessageBox.Show("There are no suppliers. " +
"Add some supplier in the database, and restart the application ", "Empty Load");
Application.Exit();
}
DisplaySupplierData();
}
else if (tableName == "Products_Suppliers")
{
lblId.Text = "ProductSupplier Id";
lblName.Text = "Product Name";
lblName2.Text = "Supplier Name";
pnlName.Visible = true;
pnlName2.Visible = true;
productSupplierIds = Products_SuppliersDB.GetProductSupplierIds();
if (productSupplierIds.Count > 0) // if there are suppliers
{
cboId.DataSource = productSupplierIds;
cboId.SelectedIndex = 0; // triggers SelectedIndexChanged
}
else // no members
{
MessageBox.Show("There are no product_suppliers. " +
"Add some product_supplier in the database, and restart the application ", "Empty Load");
Application.Exit();
}
DisplayProductSupplierData();
}
else if (tableName == "Packages_Products_Suppliers")
{
lblId.Text = "Package Id";
packageIds = Packages_Products_SuppliersDB.GetPackageIds();
pnlName.Visible = false;
pnlName2.Visible = false;
if (packageIds.Count > 0) // if there are packages
{
cboId.DataSource = packageIds;
cboId.SelectedIndex = 0; // triggers SelectedIndexChanged
}
else // no members
{
MessageBox.Show("There are no packages with products_suppliers. " +
"Add some packages with product_supplier in the database, and restart the application ", "Empty Load");
Application.Exit();
}
}
else if (tableName == "Packages")
{
lblId.Text = "Package Id";
pnlName.Visible = true;
pnlName2.Visible = false;
packageIds = PackagesDB.GetPackageIds();
DisplayPackages();
if (packageIds.Count > 0) // if there are suppliers
{
cboId.DataSource = packageIds;
cboId.SelectedIndex = 0; // triggers SelectedIndexChanged
}
else // no members
{
MessageBox.Show("There are no packages. " +
"Add some packages in the database, and restart the application ", "Empty Load");
Application.Exit();
}
}
}