/// <summary>
/// Delet header reocord and related details record
/// </summary>
/// <param name="id"></param>
public virtual void Delete(string id)
{
CreateBusinessEntities();
var filter = "(IDCUST = \"" + id + "\")";
_detail.FilterDelete(filter, ViewFilterStrictness.Simulate);
_header.FilterDelete(filter, ViewFilterStrictness.Simulate);
}