---
title: "ControlNotFoundException Class"
canonical: https://www.graphicsmill.com/docs/gmwc/T_Aurigma_GraphicsMill_AjaxControls_ControlNotFoundException.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**You’re viewing documentation for an outdated product.** Graphics Mill Web Controls is no longer part of Graphics Mill.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/).

# ControlNotFoundException Class

**Applies to:** Graphics Mill Web Controls · **Archived documentation**
 
This exception is thrown when the control with specified ID or ClientID cannot be found (e.g. when attaching a rubberband or a navigator).
 
**Namespace:** [Aurigma.GraphicsMill.AjaxControls](https://www.graphicsmill.com/docs/gmwc/N_Aurigma_GraphicsMill_AjaxControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```csharp
public class ControlNotFoundException : Exception, ISerializable
```
 
## Inheritance Hierarchy
  
- [System..Object](http://msdn2.microsoft.com/en-us/library/e5kfa45b)
    - *+* [System..Exception](http://msdn2.microsoft.com/en-us/library/c18k6c59)
        - *+* Aurigma.GraphicsMill.AjaxControls..ControlNotFoundException
 
## Thread Safety
 Static members of this type are not safe for multi-threaded operations. Instance members of this type are not safe for multi-threaded operations.
   
## See Also

### Reference

- [ControlNotFoundException Members](https://www.graphicsmill.com/docs/gmwc/AllMembers_T_Aurigma_GraphicsMill_AjaxControls_ControlNotFoundException.htm.md)
- [Aurigma.GraphicsMill.AjaxControls Namespace](https://www.graphicsmill.com/docs/gmwc/N_Aurigma_GraphicsMill_AjaxControls.htm.md)