How to change the screen field text in runtime

Hi ,
  I want to change the screen button text in runtime IN ABAP dynpro screens. if anybody know this please post some helpful answer
Anil kumar G

Hi Anil..
We can change the Text of a Pushbutton dynamically.
For this:
1. Declare a Global variable with the Same name as the Button in TOP include
  Eg:   Data: Button1(30).
2. In the PBO module of the Screen assign the Text to this variable:
    Module set_text OUTPUT.
        Button1 = 'This is the text'.

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