April 2017 archive

Apr 27

Only Aggregate Expressions Use Field Aliasing – SOQL Error

Only Aggregate Expressions Use Field Aliasing – SOQL Error Out of many other errors we encounter, this is one with the SOQL. Many times, when writing SOQL, we face the error – “Only Aggregate Expressions Use Field Aliasing” and we are stuck that what’s happening, everything seems all right to me. You must be missing …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/only-aggregate-expressions-use-field-aliasing-soql-error/

Apr 24

TestSetUp method in apex test classes

Test classes – an important part of overall SDLC in Salesforce. We as a developer have to write the test classes very often, and we need to create the test data as well, to have our test class executed successfully. We’ll cover a new concept introduced in salesforce test classes i.e TestSetUp method in apex test …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/testsetup-method-in-apex-test-classes/

Apr 20

Compare old and new field values in trigger

Compare old and new field values in trigger Salesforce Sometimes we have requirement that our trigger should run only when some field value is changed on a record. So we need to compare value of that field between old version of record and new version of record to make sure that trigger will not run every …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/compare-old-and-new-field-values-in-trigger/

Apr 11

Use static resource in Visualforce

Static resource archive structure

Use static resource in Visualforce – Salesforce Force.com platform provides us a facility to upload, manage and use the content that is static (not changing) for your organization, and it can be stored under “Static Resources“. It can be a Javascript file, CSS file, an image or even a zip file containing all the files …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/use-static-resource-in-visualforce/

Apr 07

apex:pageMessage and apex:pageMessages – Salesforce

pageMessages

apex:pageMessage and apex:pageMessages – Salesforce Most of the times we are confused between these two visualforce components i.e. apex:pageMessage and apex:pageMessages. A small different of ‘s’. Let’s see the difference between apex:pageMessage and apex:pageMessages – Salesforce. We are confused that which one should we use, and in which case. There is a small difference between these two. …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/apexpagemessage-and-apexpagemessages-salesforce/

Apr 07

Relationship Query in Apex – Salesforce

Child Relationship name - 2

Relationship Query in Apex – Salesforce Most of the times, we have relationships between the objects(master-detail OR lookup) and often we need to fetch the list of all child records related to parent record in SOQL. This can be achieved using relationship query. We can also say it as a Inner Query (query inside query). …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/relationship-query-apex-salesforce/

Apr 06

Transient Keyword – View State – Visualforce – Salesforce

Transient Keyword – View State – Visualforce – Salesforce We can use transient keyword with apex class’s instance variables when we want that values of those variables should not be transferred as part of the view state of visualforce page. This helps us reducing the view state of visualforce page. As we all know that, …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/transient-keyword-view-state-visualforce/

Apr 06

Test class with example in salesforce

Test class with example in Salesforce Testing is an important part of SDLC. So, before deploying our code to production environment, Salesforce requires at least 75% of your code to be covered by our test classes whic. Salesforce has done that to make sure that our code doesn’t break in any situation in Production. Today we’ll …

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Permanent link to this article: http://www.sfdcpoint.com/salesforce/test-class-with-example-salesforce/