# DocumentController.MergeField Method

> Sets the value of the form field specified through the given adapter to the submitted value.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 15.0
- **Namespace:** `TXTextControl.DocumentServer`
- **Package:** `TXTextControl.TextControl.WPF.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 WPF > Reference > TXTextControl.DocumentServer > DocumentController.MergeField Method
- **458 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver/documentcontroller/mergefield-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver/documentcontroller/mergefield-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver/documentcontroller/mergefield-method/llms-full.txt

---

### Description

Sets the value of the form field specified through the given adapter to the submitted value.

### Syntax

```csharp
public void MergeField(FormFieldAdapter fieldAdapter, string value);
```

```vbnet
Public Sub MergeField(fieldAdapter As FormFieldAdapter, value As String)
```

### Parameters

| Parameter | Description |
|---|---|
| fieldAdapter | The adapter for the form field whose value is to be set. |
| value | Specifies the value the form field is to be set to. |

### Examples

The following example uses Merge Field in a focused Document Controller workflow. The created object is then available to the surrounding document workflow.

```csharp
documentController.MergeField(new TXTextControl.DocumentServer.Fields.FormDropDown(), "Quarterly report");
Console.WriteLine("Document Controller is ready for use.");
```

```vbnet
documentController.MergeField(New TXTextControl.DocumentServer.Fields.FormDropDown(), "Quarterly report")
Console.WriteLine("Document Controller is ready for use.")
```

---

## Nearby

- **Previous:** [DocumentController.LoadFromMemory Method](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver/documentcontroller/loadfrommemory-method/llms-full.txt)
- **Next:** [DocumentController.Pages Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver/documentcontroller/pages-property/llms-full.txt)