How can I use SoapException Method on object of type Exception?

问题

I have a Method that get paramater of type - Exception

WriteException(Exception ex, int index, string s)
{
   // my code here...
}

sometimes the method gets an Exception object and sometimes SoapException
every time the exeption is of kind SoapException I want print: ex.Detail.InnerText
but if ex is of type Exception.
so after I recognize the type, how can I do SoapException ex.Detail.InnerText?

回答1:

WriteException(Exception ex, int index, string s)
{
    var soapEx = ex as SoapException;

    if(null != soapEx)
    {
      Console.WriteLine(soapEx.Detail.InnerText);
      return;
    }

    Console.WriteLine(ex.Message);

}

another possible solution uses the dynamic keyword:

WriteException(Exception ex, int index, string s)
{
    dynamic soapEx = ex;

    Console.WriteLine(soapEx.Detail.InnerText);
    Console.WriteLine(ex.Message);

}

来源：https://stackoverflow.com/questions/8922400/how-can-i-use-soapexception-method-on-object-of-type-exception