Thanks Pieter, Let me try what you suggested me will disturb u again if i got some problem
Thanks and regards On Aug 12, 12:57 pm, Pieter Coucke <[email protected]> wrote: > You can use a hidden input field and store the key there > <input type="hidden" name="key" value="<%=key%>"/> > > You can create web-safe string from keys > String keyString = Keyfactory.keyToString(key); > seehttp://code.google.com/appengine/docs/java/javadoc/com/google/appengi... > > then in your servlet use request.getParameter('key') and pass that to your > query. > > String query1 = "select item from " + PurchaseInfo.class.getName() + " where > key = :key"; > List<PurchaseInfo> purchase1 = (List<PurchaseInfo>) > pm1.newQuery(query1).execute(key); > > or simply use pm.getObjectById(PurchaseInfo.class,key); > > Seehttp://db.apache.org/jdo/api20/apidocs/javax/jdo/PersistenceManager.h... > > On Thu, Aug 12, 2010 at 9:20 AM, prakhil samar <[email protected]>wrote: > > > > > Hi Pieter, > > > Thanks for the reply > > > and to take that particular entity i need a key a primary key which i > > have made but how to use and get that key > > and i m using servlet for handling my submissions > > > Here is the code for that > > ...- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
