---
title: "ViewerClientSideOptions..::.postBackOnWorkspaceChanged Property "
canonical: https://www.graphicsmill.com/docs/gmwc/P_J_GraphicsMill_ViewerClientSideOptions_postBackOnWorkspaceChanged.htm
archived: true
applies_to:
  - product: "Graphics Mill Web Controls"
---

**You’re viewing documentation for an outdated product.** Graphics Mill Web Controls is no longer part of Graphics Mill. For current design editing and rendering tools, see [Design Atoms .NET](https://customerscanvas.com/docs/on-premises/design-atoms-cs/), [Design Atoms JS](https://customerscanvas.com/docs/on-premises/design-atoms-js/), and [Design Editor](https://customerscanvas.com/docs/on-premises/design-editor/).

# ViewerClientSideOptions.postBackOnWorkspaceChanged Property 

**Applies to:** Graphics Mill Web Controls · **Archived documentation**
 
Gets/sets a value which turns automatic postback for the [BaseViewer.workspaceChanged](https://www.graphicsmill.com/docs/gmwc/E_J_GraphicsMill_BaseViewer_workspaceChanged.htm.md) event on.
 
**Namespace:** [GraphicsMill](https://www.graphicsmill.com/docs/gmwc/N_J_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
function get_postBackOnWorkspaceChanged();
function set_postBackOnWorkspaceChanged(value);
```
 
### Property Value
The Boolean value which turns automatic postback for the [BaseViewer.workspaceChanged](https://www.graphicsmill.com/docs/gmwc/E_J_GraphicsMill_BaseViewer_workspaceChanged.htm.md) event on.
 
## Remarks
  
If [BaseViewer.autoPostBack](https://www.graphicsmill.com/docs/gmwc/P_J_GraphicsMill_BaseViewer_autoPostBack.htm.md) is **true**, [BaseViewer.workspaceChanged](https://www.graphicsmill.com/docs/gmwc/E_J_GraphicsMill_BaseViewer_workspaceChanged.htm.md) event fires regardless of the value of this property.
 
This property corresponds to [ViewerClientSideOptions.PostBackOnWorkspaceChanged](https://www.graphicsmill.com/docs/gmwc/P_Aurigma_GraphicsMill_AjaxControls_ViewerClientSideOptions_PostBackOnWorkspaceChanged.htm.md) server-side member.
   
## See Also

### Reference

- [ViewerClientSideOptions Class](https://www.graphicsmill.com/docs/gmwc/T_J_GraphicsMill_ViewerClientSideOptions.htm.md)
- [GraphicsMill Namespace](https://www.graphicsmill.com/docs/gmwc/N_J_GraphicsMill.htm.md)