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Channel: Apex – Jitendra Zaa's Blog
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Using FieldSet with Visualforce and Apex

One of the disadvantages comes up with Custom Page or Overriding New or Edit button with Visualforce page is its “Maintenance”, if New Filed is Added or needed to remove field we have to modify our...

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Apex Interview Question – Salesforce – Part 16

151. Give Sample Code Snippet of Apex that that will show that how Parent and Child record can be inserted in Single Statement ? Ans : It can be done with help of External Id. Date dt =...

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Apex, Visualforce, Data Loader and SOQL Interview Question – Part 17

161 : Sometimes while deleting record it gives error “Object cannot be Deleted”. What is the reason for this kind of error ? Ans : This is generic error message prompted by Salesforce many times,...

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Consuming External Web Service in Apex – Salesforce

One of the feature we have in Salesforce is that we can easily consume External Web Services. In this article, we will learn step by step demo of consuming Web Service in Apex. There are many public...

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How to access ListView in Apex | Using StandardSetController for Pagination

There are scenario in project lifecycle where developer creates SOQL or Dynamic SOQL to return expected result. Also if requirement changes they go back and change existing code to reflect updated...

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FAQ and Best Practices of Test Classes in Apex

Here I am going to share few answers related to Test Classes, which is being asked many times to me by novice Programmers. Please feel free to post Comments if your question is not answered here. I...

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Send Email with Generated PDF as attachment from Trigger – Hard life before...

There may be scenario in Salesforce that you need to send a Visualforce page rendered as PDF as a part of Email Attachment. This will be very easy if you want to perform this using Controller or...

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Salesforce interview questions – Part 19

181. Lets consider your custom Object named “Training__c” has field “Trainer__c”. You have set some default value in that field. Will that default value apply to new record created by apex code ? OR...

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All about Upsert and External ID in Dataloader and Apex – Videos

You may be wondering that there are tons of articles available for upsert operation and what is need of one more blog post. I wanted to note everything important about upsert operations using...

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System mode or God mode in Apex – Gotchas

In many of my previous implementations I have used advantage of Apex code running in System mode however never tried how far it can go in terms of capabilties. There is no specific Salesforce...

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Lightning Data Service – Standard Controller for Lightning Components

If you have worked on Visualforce and started playing with Lightning Component, you must have identified one important missing feature, which is standard Controller. Lets assume a scenario, you have...

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