Bad Response Error

Question

When i clicked on Image Command Column For the first time it is working fine but, when i clicked on it for the second time it is showing error like this.....   I am working on ext.net

Manas Mohapatra · Answer

I suspect that your app is submitting html data(!~<>..) into server. So you are getting exception that server restricts as potenial dangereous request. You can avoid by adding following tag Web.config file but it may violates security.  "2.0"  />   In mvc  [HttpPost, ValidateInput( false )]   public  ActionResult Edit(FormCollection collection)   {        // ...    }