Multiselect option set in CRM 2011

Multiselect option set in CRM 2011

Please refer below Code for implementation

new_subject :  is option set type field

 new_subject_value: is Text field which holds the selected values

new_subject  and new_subject_value will be hidden by JavaScript.

onload () we will call   “function Onload_Entity()”

and  onSave() we will call “ function OnSave_Entity()”.

//--------------------------------------------Code ---------------------------------------------------------------------//

var var_new_picklistacc = 'new_subject';

var var_new_picklistvalueacc = 'new_subjectvalue';

//Method to convert picklist to multi select picklist OnLoad of entity

function Onload_Entity()

{

var PL = document.all.new_subject;

var PLV = document.all.new_subjectvalue;

Xrm.Page.getControl('new_subjectvalue').setVisible(false);

ConvertToMultiSelectext(PL,PLV,"80");

}

// Save the selected text, this field can also be used in Advanced Find

function OnSave_Entity()

{

    //Update >> Provide picklist schema name

    var PL = document.all.new_subject;  OnSaveext(PL,var_new_picklistvalueacc);

}

///////Supported functions

function ConvertToMultiSelectext(p_PL,p_PLV,ht)

{

  // Create a DIV container

  var addDiv = document.createElement("<div style='overflow-y:auto; height:"+ht+"px; border:1px #6699cc solid; background-color:#ffffff;'

/>");

  p_PL.parentNode.appendChild(addDiv);

 // Initialise checkbox controls

  for( var i = 0; i < p_PL.,"length; i++ )

  {

    var pOption = p_PL.options[i];

    if(pOption.text!="") {

    if( !IsChecked( pOption.text , p_PL, p_PLV)  )

      var addInput = document.createElement("<input type='checkbox' style='border:none; width:25px; align:left;' />" );

    else

    var addInput = document.createElement("<input type='checkbox' checked='checked' style='border:none; width:25px; align:left;' />" );

    var addLabel = document.createElement( "<label />");

    addLabel.innerText = pOption.text;

    var addBr = document.createElement( "<br/>"); //it's a 'br' flag

    p_PL.nextSibling.appendChild(addInput);

    p_PL.nextSibling.appendChild(addLabel);

    p_PL.nextSibling.appendChild(addBr);

       }

  }

}

  // Check if it is selected

  function IsChecked( pText , PL, PLV)

  {

     var PLV1 = PLV.innerText;

    if(PLV1 != "")

    {

      var PLVT = PLV1.split(";");

      for( var i = 0; i < PLVT.length; i++ )

      {

        if( PLVT[i] == pText )

          return true;

      }

    }

        return false;

  }

function OnSaveep_var_new_picklistvaluext()

{

    var PL = document.all.new_subject;

    var getInput = PL.nextSibling.getElementsByTagName("input");

    var result = '';

    for( var i = 0; i < getInput.length; i++ )

    {

      if( getInput[i].checked)

      {

        result += getInput[i].nextSibling.innerText + ";";

      }

    }

    //save value

    control = Xrm.Page.getControl(var_new_picklistvalueacc);

    attribute = control.getAttribute();

    attribute.setValue(result);

}