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Mon, Jun 1 2015 11:52 AM | Permanent Link |
Godfrey Ultimatesoft | Hi All
I am looking for a simple delphi sample app using EWB modules(custom datasets) to create a server that links to MSSql Server using ADO components, I have looked at all the samples and they all use elevate databases. Not sure what code I need to add to initialize database connection and for requests. My client is using MS Sql Server. Just maybe 2 tables with a few fields. Thanks Godfrey |
Mon, Jun 1 2015 1:51 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Godfrey,
<< I am looking for a simple delphi sample app using EWB modules(custom datasets) to create a server that links to MSSql Server using ADO components, I have looked at all the samples and they all use elevate databases. >> Did you look at the custom dataset module example that uses a TClientDataSet ? It shows how to do so, and you can find it in this download: http://www.elevatesoft.com/download?action=info&category=ewb&type=ewbmodule&majorversion=1&version=1.05 under the \Examples directory. Also, EWB 2 has automated custom dataset module request handling quite a bit more than EWB 1, so there isn't nearly as much code required: http://www.elevatesoft.com/manual?action=viewmethod&id=ewb2mod&product=rsdelphi&version=XE&comp=TEWBDatabaseAdapter&method=HandleRequest In EWB 1, you have to code the request handling manually, whereas in EWB 2 you can just call this method and it will handle everything for you, triggering various events for authentication and dataset filtering as necessary. Tim Young Elevate Software www.elevatesoft.com |
Tue, Jun 2 2015 2:56 AM | Permanent Link |
Godfrey Ultimatesoft | Also, EWB 2 has automated custom dataset module request handling quite a bit more than EWB 1, so there isn't nearly as much code required: Tim Young Elevate Software www.elevatesoft.com Thanks I found that example. Did not have EWB 1 installed. Regarding the request handling. I see in the TDatasetModule.EWBModuleExecute event you have code to handle the request. Do I not need to use this in Ver2? Godfrey |
Wed, Jun 3 2015 10:31 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Godfrey,
<< Regarding the request handling. I see in the TDatasetModule.EWBModuleExecute event you have code to handle the request. Do I not need to use this in Ver2? >> The dataset module example (\examples\datasetmodule subdirectory) for EWB 2 isn't entirely complete yet and the front end app, DataSetClient, needs to be completed, but the EWBModuleExecute event for the TExampleDataSetModule should look like this: procedure TExampleDataSetModule.EWBModuleExecute(Request: TEWBServerRequest); begin DatabaseAdapter.HandleRequest(Request,'customdatasets/biolife'); end; IOW, gone is the all of the old code that you needed for inspecting each dataset method (columns, rows, commit) and conditionally handling each. Tim Young Elevate Software www.elevatesoft.com |
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