hi all,
I wanted to pass in some dataset from .net to Prodaset. but my 4GL always can't get the changedRow passed from .Net.
Am i code anything wrong?
ProgressObject.updateTestPage( datasetChanges, out pc_msg); // from .Net contain one changed row and pass over...
and my 4GL procedure as below:
DEFINE VARIABLE h_temptable AS HANDLE NO-UNDO.
DEFINE VARIABLE h_physicaltable AS HANDLE NO-UNDO.
DEFINE VARIABLE pc_table AS CHARACTER NO-UNDO.
DEFINE VARIABLE h_datasource AS HANDLE NO-UNDO.
pc_table = "acp_bank".
CREATE TEMP-TABLE h_temptable.
CREATE BUFFER h_physicalTable FOR TABLE pc_table BUFFER-NAME pc_table.
h_temptable:ADD-FIELDS-FROM(h_physicaltable).
h_temptable:TEMP-TABLE-PREPARE("prodatasetTempTb").
DEFINE INPUT parameter DATASET-HANDLE phdataset.
phdataset:ADD-BUFFER(h_temptable:DEFAULT-BUFFER-HANDLE).
h_temptable:TRACKING-CHANGES = TRUE.
DEFINE OUTPUT PARAMETER pc_msg AS CHARACTER NO-UNDO.
CREATE DATASET phdataset.
CREATE DATA-SOURCE h_datasource.
h_datasource:ADD-SOURCE-BUFFER(h_physicaltable,"").
RUN fillData. END. // update here ...... END.
PROCEDURE fillData:
DEFINE VARIABLE hTempBuffer AS HANDLE NO-UNDO.
DEFINE VARIABLE pd_tempPage AS DECIMAL NO-UNDO.
DEFINE VARIABLE pd_count AS DECIMAL NO-UNDO.
DEFINE VARIABLE h_query AS HANDLE NO-UNDO.
pd_tempPage = 1.
CREATE QUERY h_query.
h_query:SET-BUFFERS(h_temptable:DEFAULT-BUFFER-HANDLE:BEFORE-BUFFER).
h_query:QUERY-PREPARE("for each biprodatasetTempTb").
h_query:QUERY-OPEN(). <-------------------- it always return result 0
IF ERROR-STATUS:ERROR THEN LEAVE.
IF h_query:NUM-RESULTS = ? THEN LEAVE.
REPEAT:
IF ERROR-STATUS:ERROR THEN LEAVE.
h_query:GET-NEXT().
IF h_query:QUERY-OFF-END THEN DO:
LEAVE.
END PROCEDURE.
Thanks
Regards,
TanMH
You don't have to create a new temp-table, nor a dataset.
Just get the temp-table buffer handle from the received dataset using:
phdataset:GET-BUFFER-HANDLE(1)
You may specify the name of the temp-table instead of the 1.
Make sure also you did call Progress.Open4GL.ProDataTable.SetBImageFlag() on each datatable on the .Net side.
Thx Guillaume,
can you show me some coding sample for more detail?
due to my temp-table are in dynamic form. there might
be having more than one different schema strucutre temp-table involved.
therefore, am i still need temp-table or something other thing? i though
dataset need to pointing to one temp-table?
In .Net (C#):
foreach (DataTable dt in )
Progress.Open4GL.ProDataTable.SetBImageFlag(dt, true);
In ABL:
DEFINE INPUT parameter DATASET-HANDLE phdataset.
DEFINE OUTPUT PARAMETER pc_msg AS CHARACTER NO-UNDO.
DEF VAR i AS INTE NO-UNDO.
DO i = 1 TO phdataset:NUM-BUFFERS:
RUN ReadBeforeBuffer(INPUT phdataset:GET-BUFFER-HANDLE(i)).
END.
PROCEDURE ReadBeforeBuffer:
DEF INPUT PARAM ph_ttbuf AS HANDLE NO-UNDO.
DEFINE VARIABLE h_query AS HANDLE NO-UNDO.
CREATE QUERY h_query.
h_query:SET-BUFFERS(ph_ttbuf:BEFORE-BUFFER).
h_query:QUERY-PREPARE(SUBST("for each &1", h_query:GET-BUFFER-HANDLE(1):NAME) ).
IF h_query:QUERY-OPEN() THEN
DO WHILE h_query:GET-NEXT():
/* ... */
END.
FINALLY:
DELETE OBJECT h_query.
END.
END PROCEDURE.
Thx Guillaume,
i have tried in c#, yes it did have the SetBImageFlag(dt, true);
and ur procedure coding is the very good example and very descriptive, thanks again...
I have another question on progress.
May I know how is the SetBImageFlag know which procedure to call?
because like normal prodataset, i need to choose the .r file and
use proxy generator to compile a DLL file and the dll file will know
whichi procedure that need to call.
Sorry, I do not understand your question.
hi Guillaume,
I mean, if I have a lot table in my progress. by just calling a SetBImageFlag(dt , true).
it will know which table to update? or this will follow your dt 's schema match with progress
table 's schema automatically and update arcordingly?
hi,
the ph_ttbuf:BEFORE-BUFFER seems like is not valid handle. but ph_ttbuf is correct. just no before-table handle.
seems like is last 's step to go only.
Thank you.
Regards,
TanMH
hi ,
is my bad, i left out to set the temp-table tracking-change = true when i read.
But, i still can't get how is setBImageFlag work.
Thank you.
Regards,
TAnMH
hi,
due to some reason, i need to using manual paging and sorting due to huge data going to load in gridview.
therefore, my Reading ABL can not use tracking-changes = true. due to some fill() and empty-dataset will be
execute in the Reading process. therefore, I wontbe able to get the before-buffer in this case.
is there any way to convert dataset-handle to dataset or assign all data from dataset-handle to dataset?
Thank you.
Regards,
TAnMH