Javascript function for validating date

21-Jul-2017 13:51 by 3 Comments

Javascript function for validating date - dating foreigners in cairo

function Validate Form(ctrl) //-------------------------------------------------------------------------- //This function verifies if the start date is prior to end date.

There are so many problems with users not entering the date in mm/dd/yyyy, even when it is specifically stated on the screen.If you're setting up a calendar of future events you would check that the year is the current year or greater.The code behind the form now is as follows: If you're not already familiar with regular expressions, then this might be getting a bit complicated.The expressions use a pre-defined class is returned which enables the form to be submitted.This routine DOES NOT check that the date or time input values are valid, just that they match the required format (d/m/y and h:m). Once you're in control of the input format, it's a lot easier to check that the values are actually valid.There have been so many problems with users not entering the date in mm/dd/yyyy, even when specifically stated on the screen.

Solution: Tom Flynn from Sun Gard Higher Education provided the following Jave Script, which helped resolving the issue, so many thanks to Tom!//-------------------------------------------------------------------------- function is Valid Date(date Str) //These functions go between the tags.//Begin function checkdate function checkdate(input) //Begin function button1_onclick //This makes sure that even if it somehow got past the original error check, //the report won't run unless the date format is correct.The time field will allow input starting with 'hh:mm' following by an optional 'am' or 'pm'. The code behind the form is as follows: For each field in the form (first the dates, then the time field), a check is made as to whether the input is blank.If not, the input is compared to the regular expression.When setting a date, without specifying the time zone, Java Script will use the browser's time zone.

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