/// <summary>
/// Delete the given customer
/// </summary>
public void DeleteCustomer(CustomerDataObject customer)
{
// find the row which this data object maps to
NorthwindDataSet.CustomersRow customerRow = NorthWindDataProvider.NorthwindDataSet.Customers.FindByCustomerID(customer.ID);
// remove this object
customerRow.Delete();
// use the table adapter to write to the database
adapter.Update(NorthWindDataProvider.NorthwindDataSet.Customers);
}
/// <summary>
/// Updates or adds the given customer
/// </summary>
public void UpdateCustomer(CustomerDataObject customer)
{
// find the row which this data object maps to
NorthwindDataSet.CustomersRow customerRow = NorthWindDataProvider.NorthwindDataSet.Customers.FindByCustomerID(customer.ID);
// if we cannot find this customer - it must be a new instance
if (customerRow == null)
{
// create a new row and populate the columns
customerRow = NorthWindDataProvider.NorthwindDataSet.Customers.NewCustomersRow();
DataRowFromBusinessObject(customerRow, customer);
// add it to the table
NorthWindDataProvider.NorthwindDataSet.Customers.Rows.Add(customerRow);
}
else
{
// map changes
DataRowFromBusinessObject(customerRow, customer);
}
// use the table adapter to write to the database
adapter.Update(NorthWindDataProvider.NorthwindDataSet.Customers);
}
private void DataRowFromBusinessObject(NorthwindDataSet.CustomersRow row, CustomerDataObject dataObject)
{
row.CustomerID = dataObject.ID;
row.ContactName = dataObject.ContactName;
row.CompanyName = dataObject.CompanyName;
}
