Page Logic - Web Forms
Page logic section is used to specify visibility condition for the page. Visibility conditions are based on responses to previous questions.
Example,
We create three pages with one question per page. 
Page 1 has variable name Papers and the question asked may have one of two responses 'Yes' or 'No'.
Page 2 will appear if value stored in the variable(or response to question on Page 1)Papers is 'Yes'. The condition is specified as follows:
Page 3 will appear if value stored in the variable(or response to question on Page 1)Papers is 'No'. The condition is specified as follows:
