private void DeletePackage(Package pkg)
{
DialogResult result = MessageBox.Show("Delete the Package " + pkg.PkgName + "?", "Confirm Delete",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
// creates the other table objects
List <Packages_Products_Suppliers> newpack_prod_sup = new List <Packages_Products_Suppliers>();
try // tries to delete the table records
{
// gets the data for the tasble records that need to be deleted
newpack_prod_sup = Packages_Products_SuppliersDB.GetList(pkg.PackageId);
// deletes each productsuppliers table record
foreach (Packages_Products_Suppliers ps in newpack_prod_sup)
{
Packages_Products_SuppliersDB.DeletePackProdSup(ps);
}
// deletes the suppliercontacts record
PackagesDB.DeletePackage(pkg);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
RefreshPackages();
}
}
// button to delete a package from the DB
private void btnDelete_Click(object sender, EventArgs e)
{
if (dgvPackages.SelectedRows.Count > 0)
{
// sets the object to delete
int index = dgvPackages.SelectedRows[0].Index;
package = packages[index];
// asks user if they are sure
DialogResult result = MessageBox.Show("Delete the Package " + package.PkgName + "?", "Confirm Delete",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
// creates the other table objects
List <Packages_Products_Suppliers> newpack_prod_sup = new List <Packages_Products_Suppliers>();
try // tries to delete the table records
{
// gets the data for the tasble records that need to be deleted
newpack_prod_sup = Packages_Products_SuppliersDB.GetList(package.PackageId);
// deletes each productsuppliers table record
foreach (Packages_Products_Suppliers ps in newpack_prod_sup)
{
Packages_Products_SuppliersDB.DeletePackProdSup(ps);
}
// deltes the suppliercontacts record
PackagesDB.DeletePackage(package);
// deltes the supplier record
// redisplays the dgv
packages = PackagesDB.GetAll();
refreshDGV();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else
{
MessageBox.Show("Please select a Product");
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
string tableName = cboTableNames.SelectedValue.ToString();
if (tableName == "Products")
{
DialogResult result = MessageBox.Show("Delete " + currentProd.ProdName + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!ProductsDB.DeleteProduct(currentProd))
{
MessageBox.Show("Another user has updated or deleted " +
"that product.", "Database Error");
currentProd = ProductsDB.GetProductById(currentProd.ProductId);
if (currentProd != null)
{
this.DisplayProductData();
}
}
else
{
this.DisplayProductData();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else if (tableName == "Suppliers")
{
DialogResult result = MessageBox.Show("Delete " + currentSupplier.SupName + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!SuppliersDB.DeleteSupplier(currentSupplier))
{
MessageBox.Show("Another user has updated or deleted " +
"that supplier.", "Database Error");
currentSupplier = SuppliersDB.GetSupplierById(currentSupplier.SupplierId);
if (currentSupplier != null)
{
this.DisplaySupplierData();
}
}
else
{
this.DisplaySupplierData();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else if (tableName == "Products_Suppliers")
{
DialogResult result = MessageBox.Show("Delete Product Supplier " + currentProductSupplier.ProductSupplierId + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!Products_SuppliersDB.DeleteProductSupplier(currentProductSupplier))
{
MessageBox.Show("Another user has updated or deleted " +
"that product_supplier.", "Database Error");
currentProductSupplier = Products_SuppliersDB.GetProductSupplierById(currentProductSupplier.ProductSupplierId);
if (currentProductSupplier != null)
{
this.DisplayCurrentProductSupplierData();
}
this.DisplayProductSupplierData();
}
else
{
this.DisplayCurrentProductSupplierData();
}
this.DisplayProductSupplierData();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else if (tableName == "Packages")
{
DialogResult result = MessageBox.Show("Delete Packages " + currentPackage.PkgName + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!PackagesDB.DeletePackage(currentPackage))
{
MessageBox.Show("Another user has updated or deleted " +
"that package.", "Database Error");
currentPackage = PackagesDB.GetPackageById(currentPackage.PackageId);
if (currentPackage != null)
{
//this.DisplayCurrentProductSupplierData();
this.DisplayProductSupplierData();
}
}
else
{
//this.DisplayCurrentProductSupplierData();
this.DisplayPackages();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
}
// delete item button based on which radio button and item is selected
private void btnDelete_Click(object sender, EventArgs e)
{
if (radPackages.Checked == false && radProducts.Checked == false && radSuppliers.Checked == false)
{
MessageBox.Show("Please select a database to delete from.", "Select a Database");
}
else if (radPackages.Checked)
{
string i = lstView.SelectedItem.ToString();
string[] s = i.Split('|');
int packageId = Int32.Parse(s[0].Trim());
string nameSelected = s[1].Trim();
currentPackage = PackagesDB.GetPackageById(packageId);
DialogResult result = MessageBox.Show("Delete Packages " + nameSelected + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!PackagesDB.DeletePackage(currentPackage))
{
MessageBox.Show("Another user has updated or deleted " +
"that package.", "Database Error");
currentPackage = PackagesDB.GetPackageById(packageId);
}
else
{
this.DisplayPackages();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else if (radProducts.Checked)
{
string i = lstView.SelectedItem.ToString();
string[] s = i.Split('|');
int productId = Int32.Parse(s[0].Trim());
string nameSelected = s[1].Trim();
currentProduct = ProductsDB.GetProductById(productId);
DialogResult result = MessageBox.Show("Delete Product " + nameSelected + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!ProductsDB.DeleteProduct(currentProduct))
{
MessageBox.Show("Another user has updated or deleted " +
"that package.", "Database Error");
currentProduct = ProductsDB.GetProductById(productId);
}
else
{
this.DisplayProducts();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else if (radSuppliers.Checked)
{
string i = lstView.SelectedItem.ToString();
string[] s = i.Split('|');
int supplierId = Int32.Parse(s[0].Trim());
string nameSelected = s[1].Trim();
currentSupplier = SuppliersDB.GetSupplierById(supplierId);
DialogResult result = MessageBox.Show("Delete Supplier " + nameSelected + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!SuppliersDB.DeleteSupplier(currentSupplier))
{
MessageBox.Show("Another user has updated or deleted " +
"that package.", "Database Error");
currentSupplier = SuppliersDB.GetSupplierById(supplierId);
}
else
{
this.DisplaySuppliers();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
}
