---
title: "ControlNotFoundException Class"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_ControlNotFoundException.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# ControlNotFoundException Class
 
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.WebControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WebControls (in Aurigma.GraphicsMill.WebControls.dll)
 
## Syntax
  
```
<SerializableAttribute> _
Public Class ControlNotFoundException _Inherits Exception _Implements ISerializable
```
 
```csharp
[SerializableAttribute]
public class ControlNotFoundException : Exception, ISerializable
```
 
## Inheritance Hierarchy
  
- [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)
    - [System.Exception](http://msdn2.microsoft.com/en-us/c18k6c59)
        - Aurigma.GraphicsMill.WebControls.ControlNotFoundException
 
## Thread Safety
 Static members of this type are 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/gm5/AllMembers_T_Aurigma_GraphicsMill_WebControls_ControlNotFoundException.htm.md)
- [Aurigma.GraphicsMill.WebControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)