svk,

 

You should use Editor.Text property to extract the content of editor. The reason you got the object reference not set to instance of object is causing you are using the wrong editor ID or other programming issues.

 

Here is an example: Online email example

 

The source code of this example can be found in the download pakcage. You can use it as a reference.

 

>>3) how can i reduce the tools in the tool bar