Interesting Issue

Recently we began to use Selenium WebDriver to test out our online application to apply for a degree. It's worked very well, except for one issue. Basically, you register on the website and begin your app. As you complete each tab you can hit the "Continue" button to bring you to the next tab. Once all of that is complete you hit submit and the information is sent to Salesforce. If I do this manually, everything appears in Salesforce as it should. If I do it through WebDriver or IDE, the app submits successfully, but none of the information ends up on Salesforce. A work around I found was to hit the "Save" button we provide in case the user wants to come back at a later time and finish their app. Thus if I hit the "Save" button after completing each tab and then submit, the information is sent to Salesforce. Any ideas?

may your information is not properly entering into your form and when you hit the next button, it shows blank and move forward. Visually it is filling info but at back end it's not entering. try to use other input method to enter the text, may be it will work.
The other possible reason could be focus is not set during entering info and when you hit next button, it blanks all value. check the focus properly and frame it's within.

Hope this will help. best of luck.

bye

u can wait for some time of interval before you go for "Continue"..meanwhile server will get time to reply your request with filled data..