We use stateful DataSnap servers for some business logic tasks and also to provide clientdataset data. If we have to update the server to modify a business rule, we copy the new version into a new...

It appears that there is no way to implement a JSONP (JSON with Padding) solution using DataSnap, but I want to throw this question out here in case someone has solved this problem. Background: JS...

I have a multi-tier software that is two application(GUI,DataSnap Server) . My DataSnap server application has a bug cause occur EAccessViolation in Some times. such this : Exception EAccessViolat...

Is there a generic way to skip field serialization at JSON marshalling in Delphi XE2 DataSnap ? TBizObjects = class DataObject: TDataObject; -- skip this field on serializaing descendants end; M...

I'm looking at the feasibility of using a Delphi XE2 DataSnap server pushing data from a SQL server through to an iPad application. I've written the DataSnap server application, and am looking now ...

Is there a way to hook into the WndProc of a dbx user session? Background: dbx DataSnap uses Indy components for TCP communication. In its simplest form, a DataSnap server is an Indy TCP server ac...

I've written a DataSnap server method that returns a TStream object to transfer a file. The client application calls the method and reads the stream fine. My issue is that the method call takes a w...

I am trying to create a small example of how to exchange objects using calbacks, but I am experiencing some problems. When server creates and broadcasts objects, some clients callback connec...

I'm here again to ask for a help to you. This time I believe that few will respond given the great particularity of the problem which I will relate. I'm starting in the world of DataSnap, and still...

After asking this question I realized that to build what I need I'd better rely on some framework "REST and JSON ready". Since I own Delphi Professional I should upgrade to Enterprise to have Data...

How does one setup DUnit Testing in a Midas/DataSnap project in Delphi 2006 Edit How does one set up a Dunit Test into a TRemoteDataModule The project wizard in Delphi 2006 does not work with ...

I'm looking to detect local connection loss. Is there a mean to do that, as with the events on the Corelabs components ? Thanks EDIT: Sorry, I'm going to try to be more specific: I'm currently de...

Okay -- we have an interesting problem. Some background: Our main application uses Indy 10. However, we take the Indy 10 source and fix bugs in it, recompile, and install our own set of Indy com...

I am trying to implement authorization in a Delphi XE DataSnap application. I broke this down into a very simple example, but still do not see the effects of the TRoleAuth attribute for a method or...

Hello I would like to know the best way to implement concurrency control in 3 tier application? May first thought is: A client wants to edit a record from a dataset. send a request to the server ...

I am building a small multipliplayer which will need the following: it must be written in Delphi must support Internet connection (not only LAN) work over HTTP support some encryption of the pack...

I need to deploy a Delphi app in an environment that needs centralized data and file storage system (for document imaging) but has multiple branch offices with relatively poor inter connectivity. I...