Java uses Jsoup components to extract ViewState related parameters for ASP. NET WebForm Development Web page

    /*** Extract the value of a specific input from the page *@paramFormparams *@paramDocument *@paramElementID*/    Private voidAddformhiddenelementvalue (list<basicnamevaluepair>Formparams, document document, String ElementID) {element element=document.getElementById (ElementID); if(Element! =NULL) {String elementvalue= Element.attr ("Value"); Formparams.add (NewBasicnamevaluepair (Elementid,elementvalue)); }    }

 /**   * Get the document instance for the corresponding URL *  
   
     @param  
     URL *  
     @return  
    */ 
    private  
    static  
     document getdocument (String URL) {Document document  = 
    null  
    ;  
    try  
     {document  =
     Jsoup.connect (URL). get ();  
    catch  
     (IOException e) {E.printstac        Ktrace ();     
    return  
     document; }
   

        Document document = getdocument (URL);         if NULL ) {            Listnew arraylist<string>();            Elementids.add ("__viewstate");            Elementids.add ("__viewstategenerator");            Elementids.add ("__eventvalidation");              for (String elementid:elementids) {                addformhiddenelementvalue (formparams, document, ElementID);            }        }

Java uses Jsoup components to extract ViewState related parameters for ASP. NET WebForm Development Web page