Validate Past Date Using Script Include and On change client script

[sushma9]

Hi All,

 I am trying to validate the past date using script include and on change  client script but i am not getting any thing .Please let me know what are the modifications has to be done in my code .

  Script Include :

var validatearrivaldate = Class.create();

validatearrivaldate.prototype = Object.extendsObject(AbstractAjaxProcessor, {

    validateArrivalPastDate: function() {

        var actualArrivalDate = this.getParameter('sysparm_arravaldate');

        var tDate = new GlideDateTime();

        var dur = new GlideDuration();

        dur = GlideDateTime.subtract(actualArrivalDate, tDate);

        if (actualArrivalDate < tDate ){

        return true;

    } else {

        return false;

    }

},

type: 'validatearrivaldate'

Client Script :

 var ga = new GlideAjax("validatearrivaldate"); // Adding the script include name

 ga.addParam("sysparm_name", "validateArrivalPastDate"); // adding the function Name

 ga.addParam("sysparm_arravaldate",g_form.getValue("u_arrival_date")); //getiing the value from the field.

 ga.getXML(validatedate);

 function validatedate(response){

     var answer = response.responseXML.documentElement.getAttribute("answer");

     if(answer = true){

alert("Arrival date should not be in the Past Date .Please select the Future Date !!!");

g_form.clearValue('u_arrival_date'); 

 }

[Mark Roethof]

Hi there,

Didn't you already had a topic open for this? Yesterday or the day before.

Please don't raise your topics over and over. Just handle the existing topic.

Kind regards,
Mark

[sushma9]

@Mark Roethof 

I have achieved that by using On change client script but I am new to service now and learning the scripting how can achieve the same with different ways.