Dependent Dropdown Validation for library

Theme: Library Lending TrackerFeature: Data ValidationLevel: Intermediate

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The Item choices only show items matching the chosen Category. Entry is fast and free of typos.

Dependent Dropdown Validation for library: preview of the workbook

Project info

ThemeLibrary Lending Tracker
FeatureData Validation · Intermediate
ToolExcel
Price (one price)US$28

Functions used

Data Validation
INDIRECT
OFFSET
MATCH
COUNTIF

Consistent, tidy two-level input.

The project file you can download

The real project file is available. It is not just the picture above: you get the working file with every formula in place. It can be downloaded after payment, and we send the download link by WhatsApp or email.

.xlsx workbook (.xlsx)

What is inside the file

A Excel (.xlsx) workbook with Data, Master, Summary and Dashboard sheets
Ready-made formulas you can point at your own data
A Guide sheet with usage steps, formula explanations and tips

Project file: The actual project file (not just the picture) is available to download once payment is complete; we send the download link by WhatsApp or email
Payment: One price per project, paid in full upfront; the file is sent once payment is received
Tax: Prices exclude 11% VAT
Customisation: Adapting it to your own data or format can be ordered separately via WhatsApp

Formulas in the file

Cell	Formula	What it does
H2	`=IFERROR(VLOOKUP(B2,Master!$A:$C,3,FALSE),"")`	Category derived from the chosen item.
I2	`=IF(COUNTIF(Master!$A:$A,B2)=0,"Item tidak valid","Valid")`	Item validity check.
J2	`=COUNTIF(Master!$C:$C,J3)`	Number of items in the category chosen in J3.
J4	`=MATCH(J3,Master!$C:$C,0)`	Starting row of the category in Master.
J5	`=INDEX(Master!$A:$A,J4)`	First item in the chosen category.

How to use it

1Sort Master by column C (category) so same-category items sit together.
2On Dashboard J3 choose the category (add a Data Validation List from Rekap A3 down).
3Read J2, J4, J5: the count, starting row and first item of that category.
4For the Item dropdown, name the range =OFFSET(Master!$A$1,Dashboard!$J$4-1,0,Dashboard!$J$2,1) and use it as the List source for Data column B.
5Columns H and I on Data check category and validity of each item.

Sample content

Columns of the Data sheet:

Book Title
Category
Copies
Book Price
Status
Loan Date

Master sheet items

Book Title	Book Price
The Rainbow Troops	85,000
This Earth of Mankind	110,000
Stoicism for Beginners	98,000
Atomic Habits	105,000
Grade 9 Mathematics	60,000
Indonesian Dictionary	250,000
Kids Science Encyclopedia	150,000
Harry Potter and the Philosopher Stone	120,000
Dilan 1990	90,000
Financial Smarts	80,000

Dashboard: Library Dashboard

Total Loans
Books on Loan
Total Fines
Most Borrowed Book

Tips

Record the loan date and due date
Calculate fines automatically from lateness
List the most borrowed books

The sample data is synthetic.

Price and ordering

US$28

One price for the whole project file, excl. 11% VAT

Order the file via WhatsApp

Frequently asked questions

Do I get the real file?

Yes. The picture above is only a preview. After payment we send the download link of the real project file (an .xlsx workbook) by WhatsApp or email.

Is the data in the file real?

No. The sample data is synthetic and only shows how the formulas behave. Replace it with your own data and the formulas keep working.

Can you adapt it to my data?

Yes, as a separate order. Message us on WhatsApp with a short description of your columns and what you want to see.

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Sample data is synthetic. Excel is a trademark of Microsoft Corporation.

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Dependent Dropdown Validation for library