BDC Step-by-Step. Applies to: Summary. Author Bio SAP ABAP

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1 BDC Step-by-Step Applies to: SAP ABAP Summary This article demonstrates in a step-by-step process to write Backup Domain Controller (BDC) reports to do data transfer from legacy system, which is important work during SAP implementation projects. Author(s): Renjith Kumar. P Company: PRICOL Technologies Created on: 21 January 2007 Author Bio P. Renjith Kumar is SAP BI Consultant with PRICOL Technologies. He has extensive cross-functional experience and has been with end-to-end SAP implementations as ABAP Consultant SAP AG 1

2 Table of Contents Overview: How It Works... 2 Steps in data transfer... 2 Data Transfer Methods... 3 Step-by-Step Process... 3 Task 1: Recording... 3 Task 2: Creating ABAP Report based on recording done... 6 Task 3: Writing ABAP report to do data transfer Testing Disclaimer and Liability Notice BDC Step-by-Step Overview: How It Works BDC Reports are used to transfer data from legacy system into SAP system during SAP Implementation. Based on the functional requirements you have to now write a BDC report to upload the legacy data into SAP system. To Perform Data transfer, we will perform 3 tasks: Task 1: Do a recording for the transaction by supplying sample data. Task 2: Create an ABAP report based on the recording done. Task 3: Now write ABAP code to fetch data from legacy system and store into SAP System. Steps in data transfer 1. Analysis and cleanup of data in the non-sap system 2. Extraction of data from the non-sap system 3. Mapping the data in SAP format 4. Transferring the data to the SAP System 5. Checking the data 2007 SAP AG 2

3 Data Transfer Methods BDC Step-by-Step Call transaction Asynchronous processing takes place and the transaction is called every time. Session method Synchronous processing takes place and a session is prepared, which is to be handled through SM35. Moreover, in Batch Input processing system log is maintained for every transaction. In Call transaction method messages have to be captured at runtime. Direct input This is an SAP supplied conversion program that allows very fast loading of certain objects. The disadvantage is that it is not customizable. Step-by-Step Process Task 1: Recording 1. Give transaction SHDB ( Transaction Recorder ), this is used to record our transaction Press New Recording, Give Recording name, Give Transaction, And Press Start Recording SAP AG 3

4 2. You will get the following screen, Give the selection screen inputs as below, finally Save SAP AG 4

5 3. The following screen comes when you save, this shows table name and filed name Which stores the data given in respected selection screen of transaction. Next Press F3 to come back SAP AG 5

6 Task 2: Creating ABAP Report based on recording done Now select your Recording and press Create program icon. You will be asked to fill the following selection screens 2007 SAP AG 6

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10 Using SE11 get the Length of the fields. It must be supplied in MS-Excel Now we are going to Upload the following fields in First Screen Vendor No, Company Code, Account Group Second Screen Name, Search Parameter, Street, House No, City, Country Code, Region, PO Box Language, Telephone Final Screen Recon Account, Cash Mgmt Group Task 3: Writing ABAP report to do data transfer Now Four Steps in ABAP Editor: 2007 SAP AG 10

11 1. Create an internal table for above fields in the report after Include bdcrecx1. BDC Step-by-Step 2. Next call upload function after start-of-selection 2007 SAP AG 11

12 3. Put Loop after perform open group BDC Step-by-Step Close loop using Endloop. 4. Now replace the constants in perform statement within loop by internal table name 2007 SAP AG 12

13 With field name. Make the values used in recording in. Then Save, Activate BDC Step-by-Step This is your data in MS-Excel. This order must be in the Internal table of ABAP report SAP AG 13

14 Unformatted Excel BDC Step-by-Step 2007 SAP AG 14

15 Select Text Now Give respected Length for each fields. By placing Cursor in each column, Right Click, Select Column Width SAP AG 15

16 Since LIFNR are 16 give that width. BDC Step-by-Step After that save the excel file. And save a copy as Formatted text space delimited 2007 SAP AG 16

17 Give OK, Yes, Then Close Excel by giving No. Now come to ABAP editor and run the report, you will get the screen. Select Call transaction Radio Button, and run in a mode. Press F8 Now in next screen Give the.prn file you saved previously. (.prn must be selected ) Then press Transfer SAP AG 17

18 You will get following screen, Just Check for correct order of data, if yes, Press Enter Next Screen comes, Press Enter. The vendor created. And system shows log. If small errors you can select that from F4 help and run the report SAP AG 18

19 Testing BDC Step-by-Step FK03 -> Give Vendor no, Comp code. Enter. Select desired radio button and enter 2007 SAP AG 19

20 Disclaimer and Liability Notice This document may discuss sample coding or other information that does not include SAP official interfaces and therefore is not supported by SAP. Changes made based on this information are not supported and can be overwritten during an upgrade. SAP will not be held liable for any damages caused by using or misusing the information, code or methods suggested in this document, and anyone using these methods does so at his/her own risk. SAP offers no guarantees and assumes no responsibility or liability of any type with respect to the content of this technical article or code sample, including any liability resulting from incompatibility between the content within this document and the materials and services offered by SAP. You agree that you will not hold, or seek to hold, SAP responsible or liable with respect to the content of this document SAP AG 20