// delete Package
private void btnDeletePackage_Click(object sender, EventArgs e)
{
// get selected package
int packageId = Convert.ToInt32(cmbPackageId.Text);
List <Package> packageList = PackageDB.GetPackages(packageId);
Package package = packageList.First();
// confirm to delete
DialogResult result = MessageBox.Show("Delete Package " + package.PackageId + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
// get current product suppliers
List <int> productSupplierIds = new List <int>();
foreach (var product in ProductsInPackageDB.GetProductsFromPackage(packageId))
{
productSupplierIds.Remove(product.ProductSupplierId);
}
// delete products suppliers linked to package
Packages_products_suppliersDB.Delete(packageId);
foreach (DataGridViewRow item in this.grdProductList.SelectedRows)
{
grdProductList.Rows.RemoveAt(item.Index);
}
// delete package
PackageDB.DeletePackage(package);
MessageBox.Show("Package " + packageId + " deleted successfully");
tabPackageList.SelectTab(0); // go back to list view
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
// update Package
private void btnUpdate_Click(object sender, EventArgs e)
{
// check all input values
if (IsValidData())
{
// check if package end date is greater than start date
if (txtPkgStart.Value > txtPkgEnd.Value || txtPkgStart.Value == txtPkgEnd.Value)
{
MessageBox.Show("End Date should be greater than Start Date. Please choose a valid date.", "Input Error");
}
else
{
// check if price is greater than commission
if (Convert.ToDouble(txtPkgCommission.Text) > Convert.ToDouble(txtPkgPrice.Text))
{
MessageBox.Show("Commission cannot be greater than the Base Price. Please enter a valid amount.", "Input Error");
}
else
{
// get current package from database
if (cmbPackageId.Text == "")
{
return;
}
int packageId = Convert.ToInt32(cmbPackageId.Text);
List <Package> oldPackageList = PackageDB.GetPackages(packageId);
Package oldPackage = oldPackageList.First();
// set new values
Package newPackage = new Package();
newPackage.PackageId = packageId;
this.PutPackageData(newPackage);
// save package
try
{
package = newPackage;
PackageDB.UpdatePackage(oldPackage, newPackage);
// get current product suppliers
List <int> productSupplierIds = new List <int>();
foreach (var product in ProductsInPackageDB.GetProductsFromPackage(packageId))
{
productSupplierIds.Add(product.ProductSupplierId);
}
// delete products suppliers linked to package
Packages_products_suppliersDB.Delete(packageId);
// add products supliers to package
List <ProductsInPackage> productsInPackages = (List <ProductsInPackage>)productsInPackageBindingSource.DataSource;
foreach (var productsInPackage in productsInPackages)
{
Packages_products_suppliersDB.Add(packageId, productsInPackage.ProductSupplierId);
}
MessageBox.Show("Changes saved for Package ID " + packageId);
tabPackageList.SelectTab(0); // go back to list view
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
}