# SelectionFormFieldCallback Function

> Callback function for selection form field events. (see also TXTextControl.addEventListener function)

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Function
- **Introduced:** 30.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > SelectionFormFieldCallback Function
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldcallback/#examples)

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## Nearby

- **Previous:** [Javascript: SelectionFormField.setSelectedIndex Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfield/setselectedindex-method/llms.txt)
- **Next:** [SelectionFormFieldEventArgs Object](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/selectionformfieldeventargs/llms.txt)