Tag: Apex

Trigger context variables in salesforce

Trigger context variables in salesforce What is Trigger context variables in salesforce? All triggers define implicit variables that allow developers to access run-time context. These variables are contained in the System.Trigger class. Following are the context variable available in triggers. Please note variable availability in trigger varies according to the type of trigger events. isExecuting: Returns true if the …

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Salesforce Interview Questions on Triggers

Salesforce Interview Questions on Triggers In this post I am going to share Salesforce Interview Questions on Triggers What is a Trigger? Apex triggers enable you to perform custom actions before or after events to records in Salesforce, such as insertions, updates, or deletions. Just like database systems support triggers, Apex provides trigger support for …

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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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Pagination using standard set controller salesforce

Pagination using standard set controller salesforce

Pagination using standard set controller salesforce We can use Standard set controllers provided by salesforce to implement pagination in visualforce. It is very easy to implement pagination using standard set controller. We can easily navigate through pages, move directly to first, last page or to next or previous pages using standard set controller. We can …

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Avoid recursive trigger in salesforce

Avoid recursive trigger in salesforce using static variable Avoid recursive trigger in salesforce using static variable Recursion occurs when same code is executed again and again. It can lead to infinite loop and which can result to governor limit sometime. Sometime it can also result in unexpected output. It is very common to have recursion …

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get current record id salesforce

get current record id salesforce

get current record id salesforce apexpages.currentpage().getparameters().get(‘id’) can be used to get current record id or other url parameters in apex code. Many times we have requirement to get current record id or url parameters of visualforce page in apex code. Many times we require the current record id in controller. For example we are redirecting from one visualforce …

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custom label in apex code salesforce

custom label in apex code salesforce example We can use System.Label.labelName to access custom label in apex code. Custom labels are custom text values that can be accessed from Apex classes or Visualforce pages. The values can be translated into any language Salesforce supports. Custom labels enable developers to create multilingual applications by automatically presenting …

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Trigger on Attachment in Salesforce

Debeloper Console 2

Trigger on Attachment in Salesforce Many times I have seen question from others that how can we write trigger on attachment in salesforce. For the Attachment, ContentDocument and Note standard objects, we can’t create a trigger in the Salesforce user interface. For these objects, we can create a trigger using development tools, such as the …

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SOSL Example in Salesforce

SOSL-Example-in-Salesforce

SOSL Example in Salesforce SOSL – Salesforce Object Search Language SOSL is a search language in salesforce and the important feature is that Unlike SOQL, we can search in multiple objects at same time using SOSL. In SOQL, we can query only one object at a time but in SOSL, We can search for some …

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Immediate attribute of commandbutton and commandlink in visualforce

Immediate attribute of commandbutton and commandlink in visualforce This is basically used when we don’t want our validation rules to be fired during any server request. It is a Boolean value that specifies whether the action associated with this component should happen immediately, without processing any validation rules associated with the fields on the page. …

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