# DataSets and DataTables

> Merge DataTables and related tables of a DataSet in a WPF window, load them into the Reporting tab and edit relations with the WPF EditDataRelationsDialog.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > Mail Merge and Reporting > Data Sources > DataSets and DataTables
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/llms-full.txt

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## On This Page

- [Merge a DataTable](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#merge-a-datatable)
- [Merge Related Tables](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#merge-related-tables)
- [Offer the Tables in the Reporting Tab](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#offer-the-tables-in-the-reporting-tab)
- [Edit Relations in the Designer](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#edit-relations-in-the-designer)
- [Replace MergeBlocks in Older Code](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#replace-mergeblocks-in-older-code)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/datasets/#next-steps)

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## Nearby

- **Previous:** [Objects and Collections](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/objects/llms.txt)
- **Next:** [JSON and XML](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/mail-merge/data-sources/json-xml/llms.txt)