JavaScript Code For Beginner In Dynamic CRM

• Check if Object is null or undefine in dynamic DCRM using JavaScript..

checkIfObjectNullAndUndefine: function (obj){

"use strick",

if ((obj ===undefine)|| (obj === null))

{

return true;

}

return false;

};

• Check field has value 

checkFieldHasValue(FormContext, fieldName){

//Do Logic here

}

checkFieldHasValue: function (formContext, fieldName) 

{

        "use strict";

        return (checkFieldIsPresent(formContext, fieldName) && !checkIfObjectNullOrUndefined(formContext, formContext.getAttribute(fieldName).getValue()));

};

 checkFieldIsPresent: function (formContext, fieldName) {

        "use strict";

        return !checkIfNullOrUndefined(formContext, formContext.getAttribute(fieldName));

    };

Note : Here checkIfNullOrUndefined call above function.

• Remove Curley bracket from GUID Formats like  : "{e117dg4b-9686-ed11-81cd-001dd806b77d}" toe117dg4b-9686-ed11-81cd-001dd806b77d. 

var guidFormtes = formContext.getAttribute(fieldSchemaName).getValue()[0].id.toLowerCase().replace("{","").replace("}",""); 

• How to set the lookup field in dynamic CRM using JavaScript.

 var lookupData = new Array();

 var lookupItem = new Object();

 lookupItem.id = enityWhichToBeSet.entities[0][fieldid];

 lookupItem.name = enityWhichToBeSet.entities[0][fieldname"];

 lookupItem.entityType = "entityschemaName";

 lookupData[0] = lookupItem;                                        formContext.data.entity.attributes.get(schemaName).setValue(lookupData);

• How to use fetch xml query in JavaScript Code.

Please click here

• Show and Hide the Section 

Show :

formContext.ui.tabs.get("Tab_Name").sections.get("Section_Name").setVisible(true);

Hide :

                formContext.ui.tabs.get("Tab_Name").sections.get("Section_Name").setVisible(false);

• Show and Hide the tab

Show

formContext.ui.tabs.get("Tab_Name").setVisible(true);

Hide

formContext.ui.tabs.get("Tab_Name").setVisible(false);

• How to filter the JSON record 

var jsonConfigurations = []; 

filteredRecordOnJsonObject = jsonConfigurations.jsonRecordValueName.filter(d => d.whatWeGotandTryToCompareWithExistingOne === whatWeHaveExsiting);

• How to get current login user id

 var loginUserId = Xrm.Utitlity.getGlobalContext().userSettings.userId.replace("{","").replace("}","");

• How to get GUID of the record

var recordId= null;

 var recordId = formContext.getAttribute("schemaId").getValue()[0].id

• How to make filed as a required, none, recommended.

None : 

formContext.getAttribute("fieldNameOfSchema").setRequiredLevel("none");

Required:

formContext.getAttribute("fieldNameOfSchema").setRequiredLevel("required");

Recommended

formContext.getAttribute("fieldNameOfSchema").setRequiredLevel("recommended");

• How to get the form type

Get Form Type

formContext.ui.getFormType();

If you want to create form

If(formContext.ui.getFormType()===1)

If you want to modified form

If(formContext.ui.getFormType()===2)

If you want to read form

If(formContext.ui.getFormType()===3)

If you want to disable form

If(formContext.ui.getFormType()===4)

If you want to bulk edit on form

If(formContext.ui.getFormType()===5)

Note : All the above form return number. If you add one of the quick create form that form return value 1.

• How to check field is not future date

function  checkFieldIsNotFutureDate(fieldValue) {

        "use strict";

        var CurrentDateToday = new Date();

        var futureDate = false;

        if (fieldValue> CurrentDateToday) {

            futureDate = true;

        }

        return futureDate;

    };

• How to cancelled the save operation but rest of the even handler will work as usual 

executionContext.getEventArgs().preventDefault();

•