//On accept button click
private void btnAccept_Click(object sender, EventArgs e)
{
if (IsValidData())
{
if (addProducts) //add products mode
{
product = new Products();
Suppliers supplier = suppliers[cmbSuppliers.SelectedIndex];
this.PutProductDataAdd(product, supplier);
try
{
product.ProductId = ProductDB.AddProducts(product);
products_supplier.ProductSupplierId = Products_SupplierDB.AddProduct_Supplier(product, supplier);
this.DialogResult = DialogResult.OK;
}
catch (SqlException ex)
{//if sql error occoured
switch (ex.Errors[0].Number)
{
case 2627: //if primary key error
MessageBox.Show("You already added this Product", "Duplicate Error");
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
else if (editProdSup) //edit product supplier mode
{
if (rdAddNewProd.Checked == true) //if add product within this mode
{
product = new Products();
Suppliers supplier = suppliers[cmbSuppliers.SelectedIndex];
this.PutProductDataAdd(product, supplier);
try
{
//Add the products
product.ProductId = ProductDB.AddProducts(product);
products_supplier.ProductSupplierId = Products_SupplierDB.AddProduct_Supplier(product, supplier);
this.DialogResult = DialogResult.OK;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
else
{
//select from the combobox
product = products[cmbSelectProd.SelectedIndex];
Suppliers supplier = suppliers[cmbSuppliers.SelectedIndex];
this.PutProductDataAdd(product, supplier);
try
{
products_supplier.ProductSupplierId = Products_SupplierDB.AddProduct_Supplier(product, supplier);
this.DialogResult = DialogResult.Yes;
}
catch (SqlException ex)
{
switch (ex.Errors[0].Number)
{
case 2627: //Primary key violation
MessageBox.Show(products_supplier.ProdName + " is already supplied by " + products_supplier.SupName, "Duplicate Error");
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
else //pure edit product mode
{
Products newProduct = new Products();
newProduct.ProductId = product.ProductId;
this.PutProductDataEdit(newProduct);
try
{
//Try to edit data
if (!ProductDB.UpdateProduct(product, newProduct))
{
MessageBox.Show("Another user has updated or " +
"deleted that product.", "Database Error");
this.DialogResult = DialogResult.Retry;
}
else
{
//edit returns
product = newProduct;
this.DialogResult = DialogResult.OK;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
}
