Form Registration in Oracle apps 11i / R12

Hi Guys,
 Here i am giving steps for Form Registration in Oracle apps 11i / R12.

• Open the TEMPLETE.fmb
• Delete Canvas,Window,Datablock  
• Create New Canvas,Window attach Property classes
• Create New Datablock -  select Manuval Development
• Goto Properties of Datablcok

              SubClass Information     = Block
             Query Data SourceName    = TableName
             Query Data SourceColumns = Select Colunmns and Datatypes

• Goto Canvas Define the Frame attach Properties

              SubClass Information     = FRAME_RECT
              Layout Datablock         = Select the Datablock Whatever we have created

• Define Boiler Plate Text and Text Items

              for Text Items attach following Property Classes
                 SubClass Information     = TEXT_ITEM
                 Coluimn Name     = Database Column Name

• Save the form
• Change the Property called first Navigation Datablock
• Customize Pre-Form 

    WHEN-NW-FORM-INSTANCE Triggers
    APP_CUSTOM package

• Save the .fmb AND generate the .fmx
• Register the Form in Application Developer