Product Category wise Product

hello friends

i am doing project category wise product but its not working any suggestion or help please .












[#Line: EI InvInfo]
Add : Field : At beginning : VCH CategorySelections


[#Line: CI InvInfo]
Add : Field : At beginning : VCH CategorySelections


[Field:VCH CategorySelections]

Use : Name Field
Table : Stock Category,Not applicable
Color : Blue
Show Table:Always


[#Field : Vch stockitem]


Option: vch stockitemcat :$$IsEmpty:#VCHCategorySelections


[!Field : vch stockitemcat]
Delete : Table
Add : Table : vch stockitemcat,End of List
Dynamic : ""
Show Table:Always


[Collection : vch stockitemcat]
Child of : #VCHCategorySelections
Belongs to : Yes
Title : $$LocaleString:"List of Stock Items"
Type : Stockitem
Format : $$Name, 20
Format : $ClosingBalance : "Base"
FullHeight : Yes
With Alias : Yes
Set as : $Name
Align : Right
Include : StockItem:Yes
Fetch : Name, Language Name, ClosingBalance
Fetch : AdditionalUnits
Compute : VchStkItmBalance : @@VchStkItmBalance




[#Line: EI ColumnOne]

Add : Fields : At Beginning : VCH ITEMCAT


[#Line: EI ColumnTwo]

Add : Fields : At Beginning :VCH ITEMCAT


[Field :VCH ITEMCAT]

Use : Name Field
Info : "Category Name"