# Customize Data Entry Grid Columns in Sale Bill
**YouTube:** [How to Customize Data Entry Grid Columns and Screen Fields in Sale Bill?](https://www.youtube.com/watch?v=YYy2u22HbOQ)
## How to Customize Data Entry Grid Columns and Screen Fields in Sale Bill?
In this tutorial, we’ll guide you through the process of **enabling, disabling, renaming, or rearranging columns** in the Sales Bill window of Logic ERP.
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### Enable or Disable Columns in the Sales Header Screen
* Navigate to **Sale Voucher Configuration**.
* Select the **relevant billing series** and click on **Column Locks**.
* From here, you can **lock or unlock any column** as per your requirement.
* For example, unlock the **Agent/Broker** column.
* Save the changes and return to the **Billing Screen**.
The **Agent/Broker column** is now visible in the Sales Header screen.
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### Add or Remove Columns in Other Details Section
* Go back to **Sale Voucher Configuration**.
* Unlock the required column, such as **Transporter Name**.
* Save the configuration and return to the **Sale Bill Window**.
* Open **Other Details**.
The **Transporter Name field** is now displayed.
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### Manage Columns in the Item Grid
* Navigate to **Setup Column Attributes**.
* From here, you can:
* **Add new columns** (e.g., TD column).
* **Rearrange column positions** using the arrow buttons.
* **Rename columns** (e.g., rename *Company Name* to *Brand Name*).
The changes are reflected immediately in the Item Grid.
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### **Summary**
* Use **Column Locks** to show or hide columns in the header/other details.
* Use **Setup Column Attributes** to manage item grid columns (add, remove, rename, rearrange).
