Salesforce

Here is simple code With javascript.


<apex:page >
 <head>

 </head>
 <apex:form >
  <script>
  function HideMsg(istrue)
  {
    var checkval = document.getElementById("msg")
    if(istrue.checked )
    {  
        var checkval = document.getElementById("msg").style.display='block';
    }
    else
    {
        var checkval = document.getElementById("msg").style.display='none';
    }
  }
  </script>
  <apex:pagemessages />

  <div>
   <apex:inputCheckbox id="checkbox" onchange="HideMsg(this);"/>
  </div>
  <div class="showp" style="display: none" id="msg">
  <p>Hello World</p>
  </div>
 </apex:form>
</apex:page>

Simple code is used to convert Date to DateTime data type using Apex

Sample Code:

Date dToday = System.Today();
Datetime dt = datetime.newInstance(dToday.year(), dToday.month(),dToday.day());

 

Simple code is used to convert String to Date data type using Apex

Sample Code:

String today = '7/26/2016';

Date dt = Date.parse(today);