Class busLineItem - West Wind Web Store .NET

Class busLineItem

The LineItem class used to hold and manipulate the Invoice lineitems. This class provides an interface both to a single LineItem as well as a group of lineitems which is represented by the Details table (wws_lineitems_LIST).

The bulk of this class' customizations deals with the operation of the list and recalculation.

Westwind.BusinessObjects.wwBusiness

public class busLineItem : wwBusiness

Class Members

Member		Description
	IsTemporaryLineItem
	AddItem	Adds an item generically to the lineitems DataTable (wws_lineitems_list). This method does not call Save() to write to the database. A separate call to LineItems.SaveLineItems() is required to save the full collection. public virtual bool AddItem( int InvPk, string Sku, int Qty ); public virtual bool AddItem( busLineItem LineItem );
	CalculateItemTotal	Calculates the item total based on qty price, discount and tax rate public decimal CalculateItemTotal(); public decimal CalculateItemTotal( DataRow LineItemRow );
	DeleteLineItems	Deletes the lineitems of the invoice. public virtual bool DeleteLineItems( int InvPk ); public virtual bool DeleteLineItems();
	GetTypedDataRow	public virtual wws_lineitemsRow GetTypedDataRow( bool LoadColumns ); public wws_lineitemsRow GetTypedDataRow();
	LoadLineItems	Creates a DataSet with LineItems_List cursor. (or TLineItems_List) public virtual int LoadLineItems( int InvPk );
	New	Retrieves a new lineitem and sets the Item Total values to 0 to avoid null values. public virtual bool New(); public virtual bool New( int InvPk, string Sku, int Qty );
	RemoveLineItem	Method used to delete a line item from the database. Requires a InvPk in order to allow only the 'current' user to remove items and not to delete other user's items. Deletes the items only from the database not from the LineItem collection busLineItem::RemoveLineItemFromCollection public bool RemoveLineItem( int Pk, int InvPk );
	RemoveLineItemFromCollection	Removes the Lineitem from the LineItems collection (wws_lineitems_list table). No items are removed from disk. Use LineItems.Save() to save the data. public bool RemoveLineItemFromCollection( int Pk, int InvPk );
	Save	Overridden to update inventory for the current item. public virtual bool Save();
	SaveFromTemporaryLineItems	Copies the temporary lineitems to the 'real' lineitems table and cleans out the tlineitems. public bool SaveFromTemporaryLineItems( int InvPk );
	SaveLineItems	Saves the lineitems currently loaded in the this.Tablename + "_List" data table public virtual bool SaveLineItems( bool UpdateInventory );
	UpdateInventoryFromLineItems	Goes through the list of lineitems in the 'List' table and updates the inventory based on whether the items have changed or been added. public bool UpdateInventoryFromLineItems();

Requirements

Namespace: Westwind.WebStore