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Unable to get value of the property 'length': object is null or undefined

February 10, 2016, 6:18 am
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Hi

I'm calling the function in the file 'function.txt':

function QuartersPaymentValidation() {
    //debugger;
    var att_property, att_entityName, att_propertyEntityName, propertyType, quarter, previousquarter, year;
    propertyType = Xrm.Page.getAttribute("gits_property_type").getValue();

    if (propertyType != null) {
        if (propertyType == 449930000) {
            att_property = Xrm.Page.getAttribute("gits_hotel");
            att_entityName = "gits_hotelid";
            att_propertyEntityName = "gits_hotel";
        }
        else if (propertyType == 449930001) {
            att_property = Xrm.Page.getAttribute("gits_apartment");
            att_entityName = "gits_apartmentid";
            att_propertyEntityName = "gits_apartment";
        }

        else if (propertyType == 449930002) {
            att_property = Xrm.Page.getAttribute("gits_restaurant");
            att_entityName = "gits_restaurantid";
            att_propertyEntityName = "gits_restaurant";
        }

        else if (propertyType == 449930003) {
            att_property = Xrm.Page.getAttribute("gits_othersid");
            att_entityName = "gits_othersid";
        }

        if (att_property.getValue() != null) {


            var sFetch = "<fetch mapping='logical'>" +
                "<entity name='gits_payment_record'>" +
                    "<attribute name='gits_paymentamount' />" +
                    "<attribute name='gits_payment_reason' />" +
                    "<attribute name='gits_quarteryear' />" +
                    "<order attribute='gits_quarteryear' descending='true' />" +
                    "<order attribute='gits_payment_reason' descending='true' />" +
                    "<filter type='and'>" +
                        "<condition attribute='statuscode' operator='eq' value='2'/>" +
                        "<condition attribute='" + att_entityName + "' operator='eq' value='" + att_property.getValue()[0].id + "'/>" +
                        "<condition attribute='gits_payment_reason' operator='in'>" +
			
							"<value>449930005</value>" +
			
							"<value>449930006</value>" +
			
							"<value>449930007</value>" +
			
							"<value>449930008</value>" +
			
						"</condition>" +

                    "</filter>" +
                "</entity>" +
                "</fetch>";

            _oService = new FetchUtil(_sOrgName, _sServerUrl);
            var res = _oService.Fetch(sFetch);
            if (res.length > 0) {

                Xrm.Page.ui.controls.get("gits_quarter").setDisabled(false);
                Xrm.Page.ui.controls.get("gits_year").setDisabled(false);

                quarter = res[0].attributes["gits_payment_reason"].value - 5;
                year = res[0].attributes["gits_quarteryear"].value;


                if (quarter == 449930003) {

                    year = parseInt(year) + 1;
                    quarter = 449930000;
                    Xrm.Page.getAttribute("gits_quarter").setValue(quarter);
                    Xrm.Page.getAttribute("gits_previousquarter").setValue(quarter.toString());
                    Xrm.Page.getAttribute("gits_year").setValue(year);
                    Xrm.Page.getAttribute("gits_previousyear").setValue(year.toString());
                    QuarterAndYearsSummary();
                }

                else if (quarter == 449930002) {

                    quarter = 449930003;
                    Xrm.Page.getAttribute("gits_quarter").setValue(quarter);
                    Xrm.Page.getAttribute("gits_previousquarter").setValue(quarter.toString());
                    Xrm.Page.getAttribute("gits_year").setValue(year);
                    Xrm.Page.getAttribute("gits_previousyear").setValue(year.toString());
                    QuarterAndYearsSummary();
                }

                else if (quarter == 449930001) {

                    quarter = 449930002;
                    Xrm.Page.getAttribute("gits_quarter").setValue(quarter);
                    Xrm.Page.getAttribute("gits_previousquarter").setValue(quarter.toString());
                    Xrm.Page.getAttribute("gits_year").setValue(year);
                    Xrm.Page.getAttribute("gits_previousyear").setValue(year.toString());
                    QuarterAndYearsSummary();
                }


                else if (quarter == 449930000) {

                    quarter = 449930001;
                    Xrm.Page.getAttribute("gits_quarter").setValue(quarter);
                    Xrm.Page.getAttribute("gits_previousquarter").setValue(quarter.toString());
                    Xrm.Page.getAttribute("gits_year").setValue(year);
                    Xrm.Page.getAttribute("gits_previousyear").setValue(year.toString());
                    QuarterAndYearsSummary();
                }

            }
      else {

      var selectedYesr = new Date().getFullYear().toString(10).substring(2, 4);      
      if (att_property.getValue() != null) {
            var sFetchWorkdate = "<fetch mapping='logical'>" +
                "<entity name='" + att_propertyEntityName + "'>" +
                "<attribute name='gits_work_date' />" +
                     "<filter type='and'>" +
                        "<condition attribute='" + att_entityName + "' operator='eq' value='" + 
                        att_property.getValue()[0].id + "'/>" +
               		 "</filter>" +
                "</entity>" +
                "</fetch>";

            _oService = new FetchUtil(_sOrgName, _sServerUrl);
            var res = _oService.Fetch(sFetchWorkdate);
 //alert(sFetchWorkdate); 
  //alert(res); 
 //alert(res.length);
            if (res.length > 0) {
            //alert(res[0].attributes["gits_work_date"].value);
                var selectedYesr = res[0].attributes["gits_work_date"].value.toString(10).substring(2, 4);
                
                //alert(selectedYesr);
                selectedYesr = "4499300" + selectedYesr;
                //alert(selectedYesr);
			    var workdatemonth = res[0].attributes["gits_work_date"].value.toString(10).substring(5, 7);
                //alert(workdatemonth);
                if( workdatemonth =='01' || workdatemonth =='02' || workdatemonth =='03' ){
                	Xrm.Page.getAttribute("gits_quarter").setValue(449930000);
               	 	Xrm.Page.getAttribute("gits_previousquarter").setValue("449930000");                   
                }
                else if(workdatemonth =='04' || workdatemonth =='05' || workdatemonth =='06'){
                	Xrm.Page.getAttribute("gits_quarter").setValue(449930001);
               	 	Xrm.Page.getAttribute("gits_previousquarter").setValue("449930001");                      
                }
                else if (workdatemonth =='07' || workdatemonth =='08' || workdatemonth =='09'){
                 	Xrm.Page.getAttribute("gits_quarter").setValue(449930002);
               	 	Xrm.Page.getAttribute("gits_previousquarter").setValue("449930002");                 
                }
                else {
                    Xrm.Page.getAttribute("gits_quarter").setValue(449930003);
               	 	Xrm.Page.getAttribute("gits_previousquarter").setValue("449930003");      
                }
                
                Xrm.Page.ui.controls.get("gits_quarter").setDisabled(false);
                Xrm.Page.ui.controls.get("gits_year").setDisabled(false);
                Xrm.Page.getAttribute("gits_year").setValue(selectedYesr);
                Xrm.Page.getAttribute("gits_previousyear").setValue(selectedYesr);
                QuarterAndYearsSummary();
                }
		}
            }
        }

    }
}

That function is refering to the functions in the CRUD.js file:

///<reference path="..\XrmPage-vsdoc.js"/>

var _oService;
var _sOrgName = "";
var _sServerUrl = Xrm.Page.context.getServerUrl();
var showError = true;

function updateRecordById(prmEntityName, prmRecordId, prmFields, prmValues) {
    var entityName = prmEntityName;
    var recordId = prmRecordId;
    var fields = prmFields.split(",");
    var values = prmValues.split(",");
    var attributesTags = "";
    var authenticationHeader = GenerateAuthenticationHeader();

    for (var i = 0; i < fields.length; i++) {
        attributesTags += "<" + fields[i] + ">" + values[i] + "</" + fields[i] + ">";
    }

    // Prepare the SOAP message.
    var xml = "<?xml version='1.0' encoding='utf-8'?>" +
            "<soap:Envelope xmlns:soap='schemas.xmlsoap.org/.../envelope'" +
            " xmlns:xsi='www.w3.org/.../XMLSchema-instance'" +
            " xmlns:xsd='www.w3.org/.../XMLSchema'>" +
            authenticationHeader +
            "<soap:Body>" +
            "<Update xmlns='schemas.microsoft.com/.../WebServices'>" +
            "<entity xsi:type='" + entityName + "'>" + //entity name
            attributesTags + //"<address1_line1>" + newAddressLine1 + "</address1_line1>" +
            "<" + entityName + "id>" + recordId + "</" + entityName + "id>" +
            "</entity>" +
            "</Update>" +
            "</soap:Body>" +
            "</soap:Envelope>";

    // Prepare the xmlHttpObject and send the request.
    var xHReq = new ActiveXObject("Msxml2.XMLHTTP");
    xHReq.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);
    xHReq.setRequestHeader("SOAPAction", "schemas.microsoft.com/.../Update");
    xHReq.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
    xHReq.setRequestHeader("Content-Length", xml.length);
    xHReq.send(xml);
    // Capture the result
    var resultXml = xHReq.responseXML;

    // Check for errors.
    var errorCount = resultXml.selectNodes('//error').length;
    if (errorCount != 0) {
        var msg = resultXml.selectSingleNode('//description').nodeTypedValue;
        alert(msg);
    }
}

function RetrieveEntityById(prmEntityName, prmEntityId, prmEntityColumns) {
    var resultXml, errorCount, msg, xmlHttpRequest, arrayEntityColumns, xmlEntityColumns;
    arrayEntityColumns = prmEntityColumns.split(",");
    for (var i = 0; i < arrayEntityColumns.length; i++) {
        xmlEntityColumns += "<q1:Attribute>" + arrayEntityColumns[i] + "</q1:Attribute>";
    }
    var authenticationHeader = Xrm.Page.context.getAuthenticationHeader();
    //Prepare the SOAP message.
    var xml = "<?xml version='1.0' encoding='utf-8'?>" +
                "<soap:Envelope xmlns:soap='schemas.xmlsoap.org/.../envelope'" +
                " xmlns:xsi='www.w3.org/.../XMLSchema-instance'" +
                " xmlns:xsd='www.w3.org/.../XMLSchema'>" +
                authenticationHeader +
                "<soap:Body>" +
                "<Retrieve xmlns='schemas.microsoft.com/.../WebServices'>" +
                "<entityName>" + prmEntityName + "</entityName>" +
                "<id>" + prmEntityId + "</id>" +
                "<columnSet xmlns:q1='schemas.microsoft.com/.../Query' xsi:type='q1:ColumnSet'>" +
                "<q1:Attributes>" +
                xmlEntityColumns +
                "</q1:Attributes>" +
                "</columnSet>" +
                "</Retrieve></soap:Body></soap:Envelope>";

    //call function to create Soap Request to ms crm webservice
    xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    xmlHttpRequest.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);
    xmlHttpRequest.setRequestHeader("SOAPAction", "schemas.microsoft.com/.../Retrieve");
    xmlHttpRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
    xmlHttpRequest.setRequestHeader("Content-Length", xml.length);
    xmlHttpRequest.setRequestHeader("responseType", 'msxml-document');//Hasan Kadhem, Mohd Ebrahim Jan 28 2016

    xmlHttpRequest.send(xml);

    resultXml = xmlHttpRequest.responseXML;
    var errorCount = resultXml.selectNodes('//error').length;
    if (errorCount != 0 && showError) {
        var msg = resultXml.selectSingleNode('//description').nodeTypedValue;
        alert("Error Message : " + msg);
    }
    else {
        return resultXml;
    }
}

function CreateRecord(entityName, fields) {
    try {
        var resultArray = new Array();
        var attributesList = '';

        for (var i = 0; i < fields.length; i++)
            attributesList += "<" + fields[i].SchemaName + ">" + fields[i].Value + "</" + fields[i].SchemaName + ">";

        var xml = "<Create xmlns='schemas.microsoft.com/.../WebServices'><entity xsi:type='" + entityName + "'>" + attributesList + "</entity></Create>";
        var resultXml = CallCrmService(xml, 'Create');

        if (resultXml) {
            var newid = resultXml.selectSingleNode('//CreateResult').nodeTypedValue;
            return newid;
        }
    }
    catch (err) {
        alert("Error:" + err.Message);
    }
    return null;
}

function CallCrmService(soapBody, method) {
    try {
        var xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
        xmlHttpRequest.Open("POST", '/mscrmservices/2007/CrmService.asmx', false);
        xmlHttpRequest.setRequestHeader("SOAPAction", 'schemas.microsoft.com/.../WebServices' + method);
        xmlHttpRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
        var xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<soap:Envelope xmlns:soap=\'schemas.xmlsoap.org/.../envelope\' xmlns:xsi=\'www.w3.org/.../XMLSchema-instance\' xmlns:xsd=\'www.w3.org/.../XMLSchema\'>" +
GenerateAuthenticationHeader() + "<soap:Body>" + soapBody + "</soap:Body></soap:Envelope>";
        xmlHttpRequest.setRequestHeader("Content-Length", xml.length);
        xmlHttpRequest.send(xml);

        var resultXml = xmlHttpRequest.responseXML;
        var errorCount = resultXml.selectNodes('//error').length;

        if (errorCount != 0) {
            var msg = resultXml.selectSingleNode('//description').nodeTypedValue;
            alert(msg);

            return null;
        }

        return resultXml;
    }
    catch (err) {
    }

    return null;
}

// Make Struct
function MakeStruct(names) {
    var names = names.split(' ');
    var count = names.length;
    function constructor() {
        for (var i = 0; i < count; i++) {
            this[names[i]] = arguments[i];
        }
    }
    return constructor;
}

// CRM Field Struct
var CRMField = MakeStruct("SchemaName Value");


/////////////Fetch XML

var XMLHTTPSUCCESS = 200;
var XMLHTTPREADY = 4;
function FetchUtil(sOrg, sServer) {
    this.org = sOrg;
    this.server = sServer;
    if (sOrg == null) {
        if (typeof (ORG_UNIQUE_NAME) != "undefined") {
            this.org = ORG_UNIQUE_NAME;
        }
    }
    if (sServer == null) {
        this.server = window.location.protocol + "//" + window.location.host;
    }
}
FetchUtil.prototype._ExecuteRequest = function (sXml, sMessage, fInternalCallback, fUserCallback) {
    var xmlhttp = new XMLHttpRequest();
    xmlhttp.open("POST", this.server + "/XRMServices/2011/Organization.svc/web", (fUserCallback != null));
    xmlhttp.setRequestHeader("Accept", "application/xml, text/xml, */*");
    xmlhttp.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
    xmlhttp.setRequestHeader("SOAPAction", "schemas.microsoft.com/.../Execute");


    if (fUserCallback != null) {
        //asynchronous: register callback function, then send the request.
        var crmServiceObject = this;
        xmlhttp.onreadystatechange = function () {
            fInternalCallback.call(crmServiceObject, xmlhttp, fUserCallback)
        };
        xmlhttp.send(sXml);
    } else {
        //synchronous: send request, then call the callback function directly
        xmlhttp.send(sXml);
        return fInternalCallback.call(this, xmlhttp, null);
    }
}
FetchUtil.prototype._HandleErrors = function (xmlhttp) {
    /// <summary>(private) Handles xmlhttp errors</summary>
    if (xmlhttp.status != XMLHTTPSUCCESS) {
        var sError = "Error: " + xmlhttp.responseText + " " + xmlhttp.statusText;
        //alert(sError);
        return true;
    } else {
        return false;
    }
}
FetchUtil.prototype.Fetch = function (sFetchXml, fCallback) {
    /// <summary>Execute a FetchXml request. (result is the response XML)</summary>
    /// <param name="sFetchXml">fetchxml string</param>
    /// <param name="fCallback" optional="true" type="function">(Optional) Async callback function if specified. If left null, function is synchronous </param>
    var request = "<s:Envelope xmlns:s=\"schemas.xmlsoap.org/.../envelope\">";
    request += "<s:Body>";
    request += '<Execute xmlns="schemas.microsoft.com/.../Services">' +
'<request i:type="b:RetrieveMultipleRequest" ' +
' xmlns:b="schemas.microsoft.com/.../Contracts" ' +
' xmlns:i="www.w3.org/.../XMLSchema-instance">' +
'<b:Parameters xmlns:c="schemas.datacontract.org/.../System.Collections.Generic">' +
'<b:KeyValuePairOfstringanyType>' +
'<c:key>Query</c:key>' +
'<c:value i:type="b:FetchExpression">' +
'<b:Query>';
    request += CrmEncodeDecode.CrmXmlEncode(sFetchXml);
    request += '</b:Query>' +
'</c:value>' +
'</b:KeyValuePairOfstringanyType>' +
'</b:Parameters>' +
'<b:RequestId i:nil="true"/>' +
'<b:RequestName>RetrieveMultiple</b:RequestName>' +
'</request>' +
'</Execute>';
    request += '</s:Body></s:Envelope>';
    return this._ExecuteRequest(request, "Fetch", this._FetchCallback, fCallback);
}
FetchUtil.prototype._FetchCallback = function (xmlhttp, callback) {
    ///<summary>(private) Fetch message callback.</summary>
    //xmlhttp must be completed
    if (xmlhttp.readyState != XMLHTTPREADY) {
        return;
    }
    //check for server errors
    if (this._HandleErrors(xmlhttp)) {
        return;
    }
    var sFetchResult = xmlhttp.responseXML.selectSingleNode("//a:Entities").xml;
    var resultDoc = new ActiveXObject("Microsoft.XMLDOM");
    resultDoc.async = false;
    resultDoc.loadXML(sFetchResult);
    //parse result xml into array of jsDynamicEntity objects
    var results = new Array(resultDoc.firstChild.childNodes.length);
    for (var i = 0; i < resultDoc.firstChild.childNodes.length; i++) {
        var oResultNode = resultDoc.firstChild.childNodes[i];
        var jDE = new jsDynamicEntity();
        var obj = new Object();
        for (var j = 0; j < oResultNode.childNodes.length; j++) {
            switch (oResultNode.childNodes[j].baseName) {
                case "Attributes":
                    var attr = oResultNode.childNodes[j];
                    for (var k = 0; k < attr.childNodes.length; k++) {
                        // Establish the Key for the Attribute
                        var sKey = attr.childNodes[k].firstChild.text;
                        var sType = "";
                        // Determine the Type of Attribute value we should expect
                        for (var l = 0; l < attr.childNodes[k].childNodes[1].attributes.length; l++) {
                            if (attr.childNodes[k].childNodes[1].attributes[l].baseName == 'type') {
                                sType = attr.childNodes[k].childNodes[1].attributes[l].text;
                            }
                        }
                        switch (sType) {
                            case "a:OptionSetValue":
                                var entOSV = new jsOptionSetValue();
                                entOSV.type = sType;
                                entOSV.value = attr.childNodes[k].childNodes[1].text;
                                obj[sKey] = entOSV;
                                break;
                            case "a:EntityReference":
                                var entRef = new jsEntityReference();
                                entRef.type = sType;
                                entRef.guid = attr.childNodes[k].childNodes[1].childNodes[0].text;
                                entRef.logicalName = attr.childNodes[k].childNodes[1].childNodes[1].text;
                                entRef.name = attr.childNodes[k].childNodes[1].childNodes[2].text;
                                obj[sKey] = entRef;
                                break;
                            default:
                                var entCV = new jsCrmValue();
                                entCV.type = sType;
                                entCV.value = attr.childNodes[k].childNodes[1].text;
                                obj[sKey] = entCV;
                                break;
                        }
                    }
                    jDE.attributes = obj;
                    break;
                case "Id":
                    jDE.guid = oResultNode.childNodes[j].text;
                    break;
                case "LogicalName":
                    jDE.logicalName = oResultNode.childNodes[j].text;
                    break;
                case "FormattedValues":
                    var foVal = oResultNode.childNodes[j];
                    for (var k = 0; k < foVal.childNodes.length; k++) {
                        // Establish the Key, we are going to fill in the formatted value of the already found attribute
                        var sKey = foVal.childNodes[k].firstChild.text;
                        jDE.attributes[sKey].formattedValue = foVal.childNodes[k].childNodes[1].text;
                    }
                    break;
            }
        }
        results[i] = jDE;
    }
    //return entities
    if (callback != null) callback(results);
    else return results;
}

function jsDynamicEntity(gID, sLogicalName) {
    this.guid = gID;
    this.logicalName = sLogicalName;
    this.attributes = new Object();
}
function jsCrmValue(sType, sValue) {
    this.type = sType;
    this.value = sValue;
}
function jsEntityReference(gID, sLogicalName, sName) {
    this.guid = gID;
    this.logicalName = sLogicalName;
    this.name = sName;
    this.type = "EntityReference";
}
function jsOptionSetValue(iValue, sFormattedValue) {
    this.value = iValue;
    this.formattedValue = sFormattedValue;
    this.type = "OptionSetValue";
}

/////////////Fetch XML

function getFieldValue(prmEntityType, prmEntityId, prmFieldName) {
    var fieldValue = null;
    var resultXml = RetrieveEntityById(prmEntityType, prmEntityId, prmFieldName);
    if (resultXml != null && resultXml.selectSingleNode('//q1:' + prmFieldName) != null)
        fieldValue = resultXml.selectSingleNode('//q1:' + prmFieldName).nodeTypedValue;
    return fieldValue;
}

function getOptionSetLabel(prmEntityType, prmValue, prmFieldName) {
    var label = null;
    var str_ETC;
    switch (prmEntityType) {
        case "gits_licensing_of_artist_band": str_ETC = "10026"; break;
        default: break;
    }
    var sFetch = "<fetch mapping='logical'>" +
                "<entity name='stringmap'>" +
                    "<attribute name='value' />" +
                    "<filter type='and'>" +
                        "<condition attribute='objecttypecode' operator='eq' value='" + str_ETC + "'/>" +
                        "<condition attribute='attributename' operator='eq' value='" + prmFieldName + "'/>" +
                        "<condition attribute='langid' operator='eq' value='1033'/>" +
                        "<condition attribute='attributevalue' operator='eq' value='" + prmValue + "'/>" +
                    "</filter>" +
                "</entity>" +
                "</fetch>";
    _oService = new FetchUtil(_sOrgName, _sServerUrl);
    var res = _oService.Fetch(sFetch);
    if (res.length > 0)
        label = res[0].attributes["value"].value;
    return label;
}

function PapulateTemBlockCityGovernate() 
{
 //debugger;
    var att_block = Xrm.Page.getAttribute("gits_block");
    
    var att_City , att_Governate , att_CityName , att_LookupType;
      

    var resultXml = RetrieveEntityById("gits_block", att_block.getValue()[0].id, "gits_city,gits_governate");
    
    if (resultXml != null && resultXml.selectSingleNode('//q1:gits_city') != null)
    {
         att_City = resultXml.selectSingleNode('//q1:gits_city').nodeTypedValue;
         //att_CityName = resultXml.selectSingleNode('//q1:gits_city').attributes[0].text;
         att_CityName = resultXml.selectSingleNode('//q1:gits_city').getAttribute("name");
          att_LookupType = resultXml.selectSingleNode('//q1:gits_city').getAttribute("type");
        // alert(att_LookupType);
        // Xrm.Page.getAttribute("gits_address_city").setValue(null);
         
         var cityData = new Array();
         cityData[0] = new Object(); 
         cityData[0].id = att_City;
         cityData[0].name = att_CityName;
         cityData[0].entityType = att_LookupType;
         
         Xrm.Page.getAttribute("gits_city").setValue(cityData);
        // Xrm.Page.getAttribute("gits_address_city").setSubmitMode("always"); 
         
    }
    
    
    
    if (resultXml != null && resultXml.selectSingleNode('//q1:gits_governate') != null)
    {
         att_Governate = resultXml.selectSingleNode('//q1:gits_governate').nodeTypedValue;
          Xrm.Page.getAttribute("gits_governate").setValue(att_Governate);
    }
         
         
    
 }
 
 function ConfirmSave()
 {
  if (confirm(" Are you sure you want to save?")) 
  {
 return true;

   }
   
    // Cancel the save operation.
      event.returnValue = false;
      return false;


 }
 
 
 function SetPropertyValues()
{
 //debugger;
 var att_property , att_entityName , propertyType;
 var tab_1 = Xrm.Page.ui.tabs.get("tab_1");
 var sec_property_detail = tab_1.sections.get("PropertyDetail");
  if ( Xrm.Page.getAttribute("gits_property_type")!= null )
 propertyType = Xrm.Page.getAttribute("gits_property_type").getValue();
 
 else if (Xrm.Page.getAttribute("gits_application_type") != null )
 propertyType = Xrm.Page.getAttribute("gits_application_type").getValue();
 
 else
  
  propertyType = Xrm.Page.getAttribute("gits_propertytype").getValue();
 
 
 Xrm.Page.getAttribute("gits_propertynameenglish").setValue( null );
 Xrm.Page.getAttribute("gits_propertynamearabic").setValue( null );
 
 if (propertyType!=null)
{ 
 if (propertyType == 449930000)
 {
   att_property = Xrm.Page.getAttribute("gits_hotel");
   
   if ( att_property == null )
        att_property = Xrm.Page.getAttribute("gits_hotelid");
   
   
   att_entityName="gits_hotel";
   }
   else if (propertyType == 449930001)
{
 att_property = Xrm.Page.getAttribute("gits_apartment");
   att_entityName="gits_apartment";
   
   if ( att_property == null )
        att_property = Xrm.Page.getAttribute("gits_apartmentid");
   
}

else if (propertyType == 449930002)
{
 att_property = Xrm.Page.getAttribute("gits_restaurant");
   att_entityName="gits_restaurant";
   
   if ( att_property == null )
        att_property = Xrm.Page.getAttribute("gits_restaurantid");
}     

else if (propertyType == 449930003)
{
if ( Xrm.Page.getAttribute("gits_othersid") != null )
 att_property = Xrm.Page.getAttribute("gits_othersid");
 else
 att_property = Xrm.Page.getAttribute("gits_officeagency");
 
   att_entityName="gits_property_others";
} 

 if ( att_property!=null && att_property.getValue() != null )
  {

 var att_name_arabic , att_name_english;
       
       var resultXml = RetrieveEntityById(att_entityName, att_property.getValue()[0].id, "gits_arabic_name,gits_english_name");
       
        if (resultXml != null && resultXml.selectSingleNode('//q1:gits_arabic_name') != null)
        {
           att_name_arabic = resultXml.selectSingleNode('//q1:gits_arabic_name').nodeTypedValue;
           
           Xrm.Page.getAttribute("gits_propertynamearabic").setValue(att_name_arabic);
        }
        
        if (resultXml != null && resultXml.selectSingleNode('//q1:gits_english_name') != null)
        {
           att_name_english = resultXml.selectSingleNode('//q1:gits_english_name').nodeTypedValue;
           
           Xrm.Page.getAttribute("gits_propertynameenglish").setValue(att_name_english);
        }
        
      sec_property_detail.setVisible(true);

  }
  
  
   else
    
    {
      Xrm.Page.getAttribute("gits_propertynamearabic").setValue( null );
      Xrm.Page.getAttribute("gits_propertynameenglish").setValue( null );
    }
  
}      
}

function ValidateLicensingDepartmentUser()
{
 debugger;
  var userID = Xrm.Page.context.getUserId();
  
  var _Filter = "/SystemUserSet?$select=BusinessUnitId&$filter=SystemUserId eq (guid'" + userID + "')";
        var _ResultSet = SendRequest(_Filter);
        if (_ResultSet != null && _ResultSet.results.length == 1) 
        {
            if (_ResultSet.results[0].BusinessUnitId.Name != null && _ResultSet.results[0].BusinessUnitId.Id =="7b325BC15B-5B9F-E211-975C-0050568E2E4F") 
            {
               return true;
            }
            else
            return false;
        }
  
  
}


function SendRequest(_Filter) {
    try {
        //configure end point
        var _ResultSet = null;
        var _EndPoint = Xrm.Page.context.getServerUrl() + "/xrmservices/2011/organizationdata.svc";
        var _XMLHttpRequest = new XMLHttpRequest();
        _XMLHttpRequest.open("GET", _EndPoint + "/" + _Filter, false);
        _XMLHttpRequest.setRequestHeader("Accept", "application/json");
        _XMLHttpRequest.setRequestHeader("Content-Type", "application/json; charset=utf-8");
        var _Result = _XMLHttpRequest.send();
        if (_XMLHttpRequest.readyState == 4 && _XMLHttpRequest.status == 200) {
            _ResultSet = this.parent.JSON.parse(_XMLHttpRequest.responseText).d;
        }
        return _ResultSet;
    }
    catch (Err) {
        alert(Err);
        return;
    }
}

 

 

That function is called onchange of a field and it gives the error: Unable to get value of the property 'length': object is null or undefined

 

I think the error because of the browser comaptiblity with the javascript code. but I don't know what to edit

 

Thanks,

 

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