/// <summary>
/// Updates an Expense row.
/// </summary>
/// <param name="expense">A Expense object.</param>
public void Update(Expense expense)
{
EntityKey key = null;
object original = null;
using (ExpenseDataContext ctx = new ExpenseDataContext())
{
key = ctx.CreateEntityKey(ENTITY_SET_NAME, expense);
if (ctx.TryGetObjectByKey(key, out original))
{
ctx.ApplyCurrentValues(key.EntitySetName, expense);
}
ctx.SaveChanges();
}
}
