That looks like the StackTrace property. You might want to retrieve that...

+++ Rick ---

>>I don't understand why you want to do a ToString() when ToString() only returns you (supposedly) the value of the Message property.
>What is so important about using ToString()???
>
>Nope. "Supposedly" is the operant word there <g>.
>
>I mentioned in reply to your message suggesting use of the Message property, (in another thread) it doesn't (as is suggested by the docs) return the same value as ToString().
>
>For instance, if I (for testing purposes) put the following line of code in a btn_Click event:
>
>

>throw new ApplicationException();
>

>
>the value returned by the InnerException.Message of the thrown exception is:
>
>"Error in the application"
>
>However, if I retrieve InnerException.ToString(), I get this:
>
>"System.ApplicationException: Error in the application. at AmexCommercial.Search.btnSearch_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\amexcommercial\search.aspx.cs:line 70 at System.Web.UI.WebControls.Button.OnClick(EventArgs e) at System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain()"
>
>I'd rather use the ToString() value, wouldn't you? <s>