# MailMerge.GetBlockFieldNames Method

> Returns the names of all merge fields inside the merge block with the specified name.

- **Product:** TX Text Control .NET for Windows Forms
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 19.0
- **Namespace:** `TXTextControl.DocumentServer`
- **Package:** `TXTextControl.TextControl.WinForms.SDK` (assembly `TXDocumentServer.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXDocumentServer.dll` from the setup
- **Path:** TX Text Control .NET for Windows Forms > Reference > TXTextControl.DocumentServer > MailMerge.GetBlockFieldNames Method
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/#syntax)
- [Parameters](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/#parameters)
- [Return Value](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/#return-value)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblockfieldnames-method/#examples)

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## Nearby

- **Previous:** [MailMerge.FrameMergedEventArgs.SubTextPartNumber Property](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge-framemergedeventargs/subtextpartnumber-property/llms.txt)
- **Next:** [MailMerge.GetBlockNames Method](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/mailmerge/getblocknames-method/llms.txt)