// DELETE a supplier to current product click
private void btnRemove_Click(object sender, EventArgs e)
{
string i = lstSuppliers.SelectedItem.ToString();
string[] s = i.Split('|');
int prodSupId = Int32.Parse(s[0].Trim());
Products_Suppliers productsSuppliers = new Products_Suppliers();
if (prodSupId < 1) // no selection
{
MessageBox.Show("Please select supplier to add");
}
else // user selected a product to add
{
try
{
this.DialogResult = DialogResult.OK;
Products_Suppliers ps = Products_SuppliersDB.GetProductSupplierById(prodSupId);
Products_SuppliersDB.DeleteProductSupplier(ps);
MessageBox.Show("Supplier deleted", "Success!");
loadData();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
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());
}
}
}
}