An SAP Consultant_ Web Dynpro ABAP - Download File

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Thursday, March 15, 2012

We use method CL_WD_RUNTIME_SERVICES=>ATTACH_FILE_TO_RESPONSE to download file from Web Dynpro

Application.

Example to achieve the functionality

Create Web Dynpro Component and Save it a local object.

When we specify Window name and View name when we create web dynpro component, View is embedded in

Window.

Go to Component Controller

Context tab->Create node EMP_DET with cardinality 0..n

Method tab->Create GET_DATA method to prepare data for EMP_DET node.

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Code

METHODget_data.DATAlo_nd_emp_detTYPEREFTOif_wd_context_node.DATAlt_emp_detTYPEwd_this>elements_emp_det.

*navigatefromtovialeadselectionlo_nd_emp_det=wd_context>get_child_node(name=wd_this>wdctx_emp_det).SELECT*FROMpa0002INTOCORRESPONDINGFIELDSOFTABLElt_emp_detUPTO30ROWS.lo_nd_emp_det>bind_table(new_items=lt_emp_detset_initial_elements=abap_true

ENDMETHOD.

Go to view DOWNLOAD_V

Context tab->Map Component Controller context to View Context.

Layout tab->Change layout property of ROOTUIELEMENTCONTAINER to MatrixLayout.

Layout tab->Create Table UI element ->Bind EMP_DET context node to table element->Set Layout data

property to MatrixHeadData

Layout tab->Create Button UI element for downloading file-> Create OnAction event DOWNLOAD_DATA for

the button.

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Code for theONACTIONDOWNLOAD_DATA method.

Code

METHODonactiondownload_data.DATAlo_nd_emp_detTYPEREFTOif_wd_context_node.DATA:lt_emp_detTYPEwd_this>elements_emp_det,ls_emp_detTYPEwd_this>element_emp_det.

DATA:strTYPEstring,xstrTYPExstring.*navigatefromtovialeadselectionlo_nd_emp_det=wd_context>get_child_node(name=wd_this>wdctx_emp_det).lo_nd_emp_det>get_static_attributes_table(IMPORTINGtable=lt_emp_det).

"Preparedownloadfile.LOOPATlt_emp_detINTOls_emp_det.CONCATENATEstrls_emp_detpernrls_emp_detnachnls_emp_detvornals_emp_detgbdatcl_abap_char_utilities=>newlineINTOstrSEPARATEDBYcl_abap_char_utilities=>horizontal_tab.ENDLOOP.

CALLFUNCTION'SCMS_STRING_TO_XSTRING'EXPORTINGtext=strIMPORTINGbuffer=xstrEXCEPTIONSfailed=1."AttachfileCALLMETHODcl_wd_runtime_services=>attach_file_to_response



EXPORTINGi_filename='Download.xls'i_content=xstri_mime_type='EXCEL'i_in_new_window=abap_falsei_inplace=abap_false.ENDMETHOD.

Methods tab->Call GET_DATA method in WDDOINIT method to get EMP_DET node elements to display in

Table.

methodWDDOINIT.DATAlo_componentcontrollerTYPEREFTOig_componentcontroller.lo_componentcontroller=wd_this>get_componentcontroller_ctr().

lo_componentcontroller>get_data().

endmethod.

Save and Activate Web Dynpro component.

Create Web Dynpro Application and Save it as local object.

Run Web Dynpro Application.



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Sukaniya Mishra May 4, 2013 at 6:26 PM

I am a SAP ABAP/ITS Consultant. I am working for one of the largest MNC in India as a SAP ABAP/ ITS developer from past one year.During this period I have been working on ABAP and Internet Transaction Server(ITS). My major work has been on ITS(Both of myProjects). So I would like to know whether I should continue working on ABAP/ITS or I should pursue a career in SAP WebDynproand later go SAP EP Cretfication. Which would add much better value to my Career? Working on ABAP or a career in SAPWebDynpro? Well got across this online course for SAP as well. http://www.wiziq.com/course/8153-sap-web-dynpro-pro-abap-trainingWonder it works for me.

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john son August 5, 2014 at 2:04 PM

Wonderful blog & good post.Its really helpful for me, awaiting for more new post. Keep Blogging!

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john son August 5, 2014 at 2:05 PM

Wonderful blog & good post.Its really helpful for me, awaiting for more new post. Keep Blogging!

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An SAP Consultant_ Web Dynpro ABAP - Download File