Cool forms don't only show error messages, but highlight the fields which contain errors. Use ###is_error### markers to achieve this and do other awesome stuff.
For those of you who are new to Formhandler and want to get rid of the obsolete and insecure th_mailformplus forms, we provide a little upgrade guide.
SPAM is a bad thing. Formhandler offers various methods to block SPAM bots.
It is easy to set up validation rules and error messages for your form. Read this How-To and you are ready for action.
This How-To shows you how to add custom markers to your HTML template and how to fill them with TypoScript.
Tooltips are useful to help the user filling out the form and they look nice. :-) Find out how to add the required code to your forms.
If you write user functions to generate html code for your form or use TypoScript to set Formhandler config depending on user input, you should have a look at this How-To to find out how to access the GET/POST values the right...