Answer these please

Question

What is the maximum value for Line-Size in the Report?
How many methods are there in BDC? Which methods you know well?
What is the difference between Report and Script?
What are control commands in Scripts?
What is the use of PROTECT and ENDPROTECT?
Can we display text with color in SAP Script? If yes how can we do that?
What is the use of event AT SELECTION-SCREEN ON FIELD?

Answer 1

hi,
1.What is the maximum value for Line-Size in the Report?
1023 is the maximum line size in reporting.
2. How many methods are there in BDC? Which methods you know well?
  2 methods
      i. session method
          its useful for back ground processing. the data for session method is present in  application server. its a error log file generated. its a asynchronous processing and synchronously updates in databse tables. we can process more than one screen in a single time.
      ii. call transaction method
              synchronous data updations is done by this method. by using call transaction we can do foreground jobs. error log file should be explicitly genarted by user. we can process only one screen at a time.
3.What is the difference between Report and Script?
                 report: program developed by user to display data.
                 script: developed by user n mainly useful for genarting bills[purchase orders, sales order, invoice....]
4.What are control commands in Scripts?
         if ........endif.
         protect ......endprotect.
         form............endform
5.What is the use of PROTECT and ENDPROTECT?
      protect in scripts avoids page breaks. means if necessary space not there in current page then ntier data is printed in next page.
6.Can we display text with color in SAP Script? If yes how can we do that?
     for this u have to design character formats n in this give color for font.
7.What is the use of event AT SELECTION-SCREEN ON FIELD?
        used to trigger when user clicks on particular field in a selection screen.
if helpful reward some points.
with regards,
Suresh.A