There are so many good ABAP tips and tricks posted all over SDN and other forums and websites that I though it might be good to begin collating them here. Please feel free to suggest or make changes to this page to keep it fresh. Thanks

External Webs dedicated to ABAP Tips and Tricks

1. ABAP Tips and Tricks Database on ERPGenie.COM
2. ABAP Section of ERPGenie.COM
3. SAPTechies ABAP section

Table of Contents

ALV

1. Upload an Excel file into an internal table & display in alv format
2. Developing Interactive ALV Report using OOABAP
3. ABAP-ALV with Traffic Signals using classes
4. ALV grid control with 2 different approaches!
5. Alv in Detail
6. ALV Stock Transfer Program
7. ALV TUTOTIAL FOR BEGINERS WITH EXAMPLES
8. alv with pagenos and subtotals
9. Call FM to generate alv tree and deal with useraction
10. Display Characteristics of Elements of aPDF-Based Form in ALV
11. Display two or more ALVs on one screen using Splitter Control
12. Displaying ALV on the Selection Screen
13. Editable ALV through OOPS
14. Get Changed Value In ALV Grid Dynamically.
15. Hierarchical ALV from list display
16. Logo Display By ALV OOPS
17. Making ALV to react to Change data automatically
18. OBJECT ORIENTED ALV Guide
19. Printing a line after Subtotaling in an ALV
20. Relevant ALV Grid Programs
21. TREE ALV
22. Using the ALV Grid in SAP Reports
23. Creation two OOPS ALV with editable fields & Save

Adobe Forms

1. Call Adobe Form through ABAP Program
2. Code Snippet of printing adobe forms configuredin NACE
3. Creating Adobe Forms
4. SAP Interactive Forms by Adobe

ALE

1. ALE Introduction

BAdI

1. BAdI Interface IF_EX_ME_PROCESS_PO_CUST
2. Document on BADI
3. Find a BADI in a minute
4. Find Application class with Exits and Badis for a Transaction
5. METHOD IF_EX_ME_PROCESS_PO_CUST~CLOSE.

BAPI

1. BAPI_GOODSMVT_CREATE And BAPI_GOODSMVT_Cancel
2. Function Module to create PO using BAPI
3. How to Find BAPI
4. Interface creation using BAPI
5. List of BAPI's

Basis

1. Changing the default password for sap use
2. Lock and Unlock User IDs
3. Maintaining Change Log for Database Tables
4. Unlock login ID
5. Useful SAP System Administration Transactions

BDC

1. BDC - How to handle error log file to upload the data in call transaction method
2. Calling a BDC in parallel using update task

Business Object

1. Triggering a Business Object eventusing Function Module enhancement

Class

1. Data declaration based on data-type declared in Global class
2. Development Class Program
3. Know the difference between Class and Function Module

Dates

1. add days , weeks, months,years to date
2. add or subtract dates, months,years to date
3. Checking for a leap year.
4. DATE VALIDATIONS
5. Function Module related on Date calculations
6. get the name of the month , date and year
7. last date of a month later some years, months,days
8. Missing Days Extract
9. month in words date in number
10. Number of days in a year
11. time difference between two dates in hours or minutes

Debug

1. ABAP Tip-How to Debug Pop-up window
2. Debugging workflows and generating sub-workflows
3. Easy Step To Debug a Smartform
4. How to get the variant for which a report wentto Dump
5. New ABAP Debugger

dialog

1. Getting a input field populated on entering the value in one Input field
2. Learn Making First Table Control
3. Standardized dialogs (popup function modules,etc.)

Enhancements

1. Enhancement Program
2. How to do Explicit Enhancement
3. How To Do Implicit Enhancement

FAQ

1. Commonly asked questions in ABAP
2. DATA DICTIONARY - FAQs
3. INTERACTIVE REPORTING -FAQS
4. What are AUTHORIZATION OBJECTS

FTP

1. Standard SAP FTP programs

Functional

1. APO Data Dictionary Program
2. APO Delete Master Data
3. APO Demand Planning LiveCache
4. APO to Mapped Network Drive
5. Asset Detail Report
6. Avoid loosing long text maintained in sales order when sold to party changed in sales order
7. Bunch of Plant Maintanence Tables
8. Cancel billing document (VF11)
9. Change outbound delivery (VL02)
10. Creation of RFQ Automatically
11. Daily Production Report
12. Data Dictionary Program in APO
13. Deleting PO History
14. ECC5.0 AND ABOVE
15. Equipment Phase in Workbench
16. Expected Deliveries Report
17. Factory Production Report
18. FI Document Status Report
19. FI PA to SAP Interface
20. FI Rebate Currency Discount Program
21. FI SAP to ISS Interface
22. Function Module to return the current financial period
23. Functional location Bulk creation
24. Goods Movement Program
25. HR Forms
26. HR Programming - Read Infotype
27. Human Resource Tables - a quick reference guide for an ABAP HR Consultant
28. Inspection Report
29. Integrated Asset Master Consistency Check Report
30. Interface from KIZAI to eMRO for Depreciation rate
31. Invoice DAF Program
32. lock and unlock delivery document
33. Manufacturing Development
34. Manufacturing Variance Report
35. Material Master Upload Program
36. Material Wastage Report Logic
37. MM Create RFQ program
38. MM Material Master Program
39. MPN, price and standard order quantity
40. Network and Activities Program
41. Network Maintain Program
42. Pallet Traceability Report
43. Parallel Processing
44. Payroll Results Using Classes
45. Physical Inventory Difference Report
46. Planned vs Actual Report in Manufacturing
47. Plant Maintenance Network Schedule Program
48. Plant Maintenance Program
49. Plant Maintenance Stock Parts Program
50. Plant Maintenance Update MRP Program
51. Plant Maintenance Update Network Program
52. PM Maintenance Order Program
53. PP Production Declaration Program
54. Pricing Condition Program
55. Pricing System Program
56. Process Order Goods Movement Report
57. Process Orders Variance Report
58. Production Declaration for a Process Order
59. Purchase Order Info Records
60. Quarterly Reporting of Actuals to Central Procurement
61. Replacement of VC_I_GET_CONFIGURATION forperfomance tunning
62. Report to manage the asset quantity and value
63. RFC Purchase Order Change from Ariba
64. RFC Purchase Order Creation from Ariba
65. RFQ Create Program
66. Sales Order Interface
67. Scheduled Notification
68. SCM Variance Report
69. Service numbers from ServiceEntrySheet usingPO Line Item
70. Ship Maintenance Preparation List
71. Stock Transfer Program
72. To apply batch split in an outbound delivery
73. To get pricing condition of a Sales Order
74. Transfer MRO related GL Balances
75. Transfer MRO related GL balances from e-MRO
76. UPDATE NETWORK FROM ORDER
77. Vendor Master Upload Program
78. WBS Element Report

General

1. Editing tables using SE16N and the security implications
2. ABAP system fields
3. Exertion of SAP notes
4. NEW FM in Place of Obsolete FM
5. Obsolete system fields
6. Online Text Repository (OTR)
7. SAP Books
8. SAP Graphics
9. SAPChess
10. SAPmvc
11. SAPmvc Documentation
12. Send Message to External email id and SAP User id via ABAP
13. Table Maintenance Program
14. The Events in Table Maintenance Generator SM30
15. XSL transformation for complex tree structure to tables

LSMW

1. LSMW Steps in Detail

NetWeaver

1. Netweaver Overview presenter

OLE

1. how to display internal table data in excel with picture using OLE
2. Sample program to open excel sheet using OLE

PDF

1. PDF Downlaod By Creating Spool Request
2. PDF files in SAP

Report

1. ABAP-Creating Tabs in Report program
2. Actual Import Report
3. Add a custom header for every new program
4. Avoiding dumps in a program
5. Designing Selection Screen
6. Disable popup when uploading excel files with macros
7. Displaying 3D Graphs in ABAP
8. displaying top of page at right, center, left
9. Download File in UTF-8 encoding
10. Downloading all the programs belonging toa specific package.
11. Downloading internal tables to Excel
12. Duplex printing in SAP
13. Dynamic Content Upload Interface
14. Dynamic Content Upload Interface File Version
15. Dynamic Structures and Components in CU62
16. Dynamic Tabstrip in ABAP
17. Fetching IP Address of Application Server in ABAP
18. File Copying using SAP Program
19. File Deletion from SAP program
20. Global Macro
21. How to format CSV files for Excel
22. Implementing Tabstrips through selection screen
23. INTRODUCTION TO GUIXT(amit).
24. List processing
25. Logo Display
26. ON VALUE-REQUEST event
27. Opening MS-Word doc on selection-screen from presentation server
28. print the selection screen data on the reportoutput
29. SELECTION SCREEN DESIGN IN REPORTS
30. Send External Mail with attachment
31. Simple Exercise to upload data using SXDA
32. Supress popup when using ALSM_EXCEL_TO_INTERNAL_TABLE
33. System fields for LISTS.
34. Tabstrips in ABAP
35. upload blank lines in to the internal tables
36. Uploading data dynamically into structure andcomponents
37. Validation of a string in terms of case
38. How to initialize LDB screen elements add element with LDB screen ?
39. Create & Delete folder on presentation server

SAP Script

1. Converting Scripts Output Into Pdf Form
2. Make First SAP Script step by step
3. My first SAP Script step by step
4. SAP Scripts in Detail
5. SUBROUTINES AND THEIR USE IN SAPSCRIPT
6. System Bar Code and using it in SAPscript
7. System Bar Code and using it in SAPscriptlayout for printing

Smart Form

1. Assign Smart form translations to a transport request
2. Learn making First Smartform Step by Step
3. Send Smartform As .Xls As Spread Sheet

Tips

1. Creating dynamic variant using table TVARV
2. Deleting file from Windows
3. DEVELOPERS' TRANSACTION CODES
4. Different Pop_Ups in ABAP
5. Examples and demos by SAP
6. Few Keyboard Shortcuts
7. Few Keyboard Shortcuts in New ABAP Editor
8. How to include an authorization grouprestriction in an SAP query
9. How to make table maintenance generator
10. How To search the Transaction by text
11. Important Function Modules In SAP
12. Important Transaction Codes used in CTS
13. List of Commonly Used Function Modules
14. List of Customized Sapscripts
15. List of programs not assigned to any TCode
16. List of Transaction codes
17. Locating SD User Exit routines
18. Move a file from source to target directories or Delete file
19. New ABAP Editor
20. Passing data from one ABAP program to another
21. Relationship between tables
22. SAP TechEd09 - Phoenix Session CD205 - Tips and Tricks to Learn and Leverage Newer Technologies
23. SCANS a transaction Code
24. Scheduling background job by triggering an event
25. SELECT Statements and CURSOR statement -Performance Analysis.
26. select the text from lower case data element
27. Sy-Subrc
28. To activate objects programmatically
29. To convert the Unit of Measure to alternate UOM
30. to create worklist for users
31. To send 2 int tables data astwo attachments to mail id outside sap system
32. Transporting Table Entries in ABAP programmatically
33. USER EXIT CREATE
34. Working with files
35. How to Create you own Number Range ? (SNRO)

Utility

1. ABAP-Developed a Tool For Downloading Programs
2. Application Log Display
3. Application Log Program
4. Barcode Printing in SAP
5. Control Recipe, PI Sheet Program
6. Document for configuring SAP R3 to sendmail to external domain
7. Download All programs and FMs of a package
8. Process Output types through program
9. Prog to upload from XL to DDIC Table
10. program to get the archiving object size
11. Read any OTF Data in Adobe Reader

Workflow

1. SAP Business Workflow
2. Useful Transactions in SAP Workflow
3. Copy of SAP Business Workflow