Form field validation

Create validation rules on the form for:

• Required fields are filled out.
• Fields that are suppose to contain a number are actually numeric.
• Boolean fields contain either a "yes" or "no" value.
• String length (min and max) are met.
• Value selected in a select box is one that is in the list of acceptable values.
• Dates are valid dates and are not earlier than the current date.
• Times are valid times and in the required format. Time can be no earlier than current date and current time.
• Scrub values of dangerous characters that could result in application security issues.
• Determine the types of files that can be uploaded to the system and validate that any files uploaded only of those types.