/// <summary>
/// Constructor for new supplier purchase
/// </summary>
public PurchaseClass()
{
loadDataSet();
addNewRecord();
_PurchaseLine = new PurchaseLineClass(_dst, _lngPKID);
createRelationship();
}
/// <summary>
/// Constructor for existing supplier purchase
/// </summary>
/// <param name="pLongID">The record ID of the order that will be used in this class</param>
public PurchaseClass(long pLongID)
{
_lngPKID = pLongID;
loadDataSet();
_PurchaseLine = new PurchaseLineClass(_dst, _lngPKID);
createRelationship();
assignFields();
}