# Merge Blocks

> Repeat table rows and sections such as invoice line items with merge blocks: map block names to arrays, create blocks in code, nest, sort and filter them.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > Getting Started > Mail Merge > Merge Blocks
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/llms-full.txt

---

## On This Page

- [How Merge Blocks Work](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#how-merge-blocks-work)
- [Match the Block Name to the Data](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#match-the-block-name-to-the-data)
- [Create a Merge Block in the Document Editor](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#create-a-merge-block-in-the-document-editor)
- [Create a Merge Block in Code](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#create-a-merge-block-in-code)
- [Nest Merge Blocks for Master-Detail Reports](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#nest-merge-blocks-for-master-detail-reports)
- [Sort and Filter Block Data](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#sort-and-filter-block-data)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/#next-steps)

---

## Nearby

- **Previous:** [Merge Fields](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/llms.txt)
- **Next:** [PDF Processing](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/llms.txt)