Hi,
Before go anywhere else search your solution in your system, might possible, you can get the solution there itself.
Facing every day lots of issues and trying to providing the suitable answers for the raised issue.
But one think always comes in my mind, are the people are just posting their blog without any analysis, May be I am wrong, but when I go through with question, I found, the answers is already available in SAP system.
Only the thing is members are not analyzing in system first. In SAP system already numbers of program available to get the basic idea about any one of the component.
Here is some bunch of programs, which has provided by SAP to get you hand dirty before posting an question in Community on below objects.
Note: the all Program belongs to Net weaver Gateway 740 system.
- HTML container :
Program Name: BCALV_DEMO_HTML
Displaying the information in HTML format
2. SAP OOPS Concepts:
Program Name : DEMO_ABAP_OBJECTS
This is very nice program, which has explained the OOPS concept in ABAP way.
After execute, the above pop-up window will open to see the information, but yes, how is related to selected concept, that you have to check in program only.
3. MIME Objects with Tree ALV :
Program Name : DEMO_CFW
DEMO_CFW_1,
DEMO_CFW_2,
DEMO_CFW_3
This is a demo program to call MIME object from SAP to display in ALV grid header.Also contained the node event functionality with ALV refresh (which is very common question in community with respect to ALV refresh).
4. Dropdown List with F4 :
Program Name : DEMO_DROPDOWN_LIST_BOX
Even I also surprise sometime to see this kind of program, yes, sometime choose a bit complex way to get the same solution what we can get through other simple way.
In this demo program, SAP used F4IF_INT_TABLE_VALUE_REQUEST function module and display the all F4 help information in drop down list.
5. STEP LOOP :F4_help
Program Name : DEMO_DYNPRO_STEP_LOOP
It’s kind of table, but all cells are display as individual input fields. A very basic an easy program to understand how step loop works.
6. Timer Class:
Program Name : SAP_TIMER_DEMO
This is a very simple but very well explained program about the time class.
Please go through with code page to understand the logic.
Output is based on entered interval, the output will return the page refresh counter information.
7. Pictue Class Demo :
Program Name : SAP_PICTURE_DEMO_ICON
SAP_PICTURE_DEMO_DRAG_DROP
SAP_PICTURE_DEMO
En example program to display picture and different method with respect to change picture resolution and position and another program has cover the drag-n-drop function of picture from one container to another one.
8. Display PDF file in PDF container:
Program Name : SAP_PDF_VIEWER_DEMO
This program to Display a PDF file in SAP window.
Though SAP has did some hard coding for PDF path, so while executing, it will give dump, but
It’s a very and understandable program to get the logic.
9. Text Editor :
Program Name : SAPTEXTEDIT_DEMO_2_OLD
SAPTEXTEDIT_DEMO_1
SAPTEXTEDIT_DEMO_3
Last few days, I face some question regarding text editor class, here is some demo program, which cover most of the functionality, like load data from file.
Position of the cursor, current line etc.
9. Display Word and Excel file inside SAP window
Program Name: SAPRDEMO_TABLES_IN_EXCEL
SAPRDEMO_WORD_NOTEPAD
SAPRDEMO_MAILMERGE_INTERFACE,
SAPRDEMO_FORM_INTERFACE,
SAPRDEMO_PIVOTINTERFACE
SAPRDEMO_SPREADSHEET_INTERFACE
The above programs are well explain i_oi_spreadsheet& i_oi_document_proxy class, which are use for display Word and Excel file inside a container.
Also, it’s explained about PIVOT functionality and how it can integrate with SAP screen.
10 HTML UI Demo:
Program Name : SAPHTML_UI_DEMO
This is an example to open browser in SAP window and also active or inactive some of the functionality of browser.
11. SAP HTML Events:
Program Name: SAPHTML_DEMO_CN
SAPHTML_EVENTS_DEMO
SAPHTML_LONGTEXT_DEMO
SAPHTML_R3HTTP_DEMO
SAPHTML_SCRIPT_DEMO .
The all above demo programs are demonstrate the HTML display in SAP screen with HTML event handle through SAP and get the result back to SAP screen.
12. Chart Program:
Program Name: RCC_TEST_PIE_DEMO
RCC_DEMO_BASIC_ENGINE
RCC_TEST_DEMO1
RCC_TEST_DEMO2
RCC_TEST_HISTOGRAM_DEMO.
The above programs are based on RCC classes.
13. IGS Functionality:
Program Name : GRAPHICS_IGS_ZIPPER_DEMO
GRAPHICS_GUI_CE_DEMO
GRAPHICS_GIS_VIEW_DEMO
Internet Graphical Server (IGS), it’s another functionality which works through internet graphical service.
Though this service also chart can be draw on SAP screen, though, it will a html based chart, so HTML event can also be attached to it.
Also a Zipper program is there to create a ZIP file through SAP.
14. ALV Gui Grid:
Program Name: BCALV_DND_01
BCALV_EDIT_01 Switch on and off the ready-for-input status of the entire grid
BCALV_EDIT_02 Define ready-for-input status at cell level
BCALV_EDIT_03 Verification of modified cells
BCALV_EDIT_04 Delete and append rows
BCALV_EDIT_06 Dropdown Listbox at Column Level
BCALV_EDIT_08 Integrate Non-Standard F4 Help
BCALV_EDIT_09 Define ready-for-input status at cell level
BCALV_GRID_01 Processing Print Events
BCALV_GRID_03 Detail List in Dialog Window
BCALV_GRID_04 Display Exceptions (LEDs or Traffic Lights)
BCALV_GRID_07 Define a Menu in the Toolbar
BCALV_GRID_11 Test for new layout function modules
BCALV_TREE_01 ALV Tree Control: Build Up the Hierarchy Tree
BCALV_TREE_02 ALV Tree Control: Event Handling
BCALV_TREE_03 ALV Tree Control: Use an Own Context Menu
BCALV_TREE_04 ALV Tree Control: Add a Button to the Toolbar
BCALV_TREE_06 ALV tree control: Icon column and icon for nodes/items
BCALV_TREE_DEMO Demo for ALV tree control
BCALV_TREE_DND ALV tree control: Drag & Drop within a hierarchy tree
BCALV_TREE_DND_MULTIPLE ALV tree control: Drag & Drop within a hierarchy tree
Now my favorite part comes, most of the question from ALV grid only. All above program contains different functionality of ALV grid, which is class based program
15. CL_GUI_ALV_GRID : Style in ALV with Cell Information as tool tip.
program Name : BCALV_DEMO_TOOLTIP
This program contains lots of answer, which asked by lots of members.
- Color in Field Cells
- Tool tip on Fields value
- Icon on Cells
- Multiple Colors in different Cells
15. SAP Business Graphics Tool :
Program Name : BCGRDEMO
This is a bit different but very interesting demo to display the information in graphical mode in SAP R/3 Graphic window.
After select any one of the hierarchy, you will a pop-window to get the receptive information. Then above chart information will come though selection of the same pop-up.
16. Messages:
Program Name : CNV_MBT_DEMO_ULV_01
CNV_MBT_DEMO_ULV_02
CNV_MBT_DEMO_ULV_03
CNV_MBT_DEMO_ULV_04
CNV_MBT_DEMO_ULV_05
This all above programs has demonstrate, how we can display the message with different views.
And how to show and hide other options from message window.
Like the above sample program, other programs also available in system,
Keeping my blog in editable mode to add some more interesting sample program.
As per our requirement, we can search 1st in out system before posting a question in communities.
Happy learning 
Praveer.