To create an Excel file with multiple worksheets, XML tags are required. These XML tags can be combined with Visualforce tags. Utilizing styles such as color, size, and height allows for formatting the cells within the Excel sheet. For detailed reference on XML spreadsheets, please refer to the documentation. XML Spreadsheet Reference Click for Demo …
Exporting To Excel With Multiple Worksheets In Visualforce Read More »
This attribute is primarily used to bypass the firing of validation rules during server requests. It’s a Boolean value that dictates whether the action linked with this component should occur instantly, disregarding any validation rules related to the page’s fields. When set to true, the action occurs immediately, skipping validation rules. If left unspecified, it …
The Immediate Attribute of CommandButton And CommandLink In Visualforce Read More »
Often, there’s a query about how to create a trigger on Attachment in Salesforce. Specifically, for standard objects like Attachment, ContentDocument, and Note, triggers can’t be created via the Salesforce user interface. However, these triggers can be developed using tools such as the Developer Console or the Force.com IDE. Another option is utilizing the Metadata …
Example of Utilizing A Custom Label in Apex Code Within Salesforce In Apex code within Salesforce, we utilize System.Label.labelName to access custom labels. These custom labels serve as custom text values that can be accessed from both Apex classes and Visualforce pages. They allow for translations into multiple languages supported by Salesforce, enabling the presentation …
Usage of Custom Labels in Apex Code Within Salesforce Read More »
Occasionally, there’s a requirement for a trigger to execute only when specific field values on a record change. To ensure the trigger operates solely when necessary, it’s crucial to compare the value of that field between the old and new versions of the record. For instance, there might be a need to send an email …
Comparing Old And New Field Values In A Salesforce Trigger Read More »
Often, there’s a need to generate random numbers in Apex. This can be accomplished using the Math.random() function, which produces a positive Double value between 0.0 (inclusive) and 1.0 (exclusive). However, as this method solely generates numbers within the range of 0.0 and 1.0, it’s crucial to understand how to modify these numbers to suit …
Hello there! If you’re using the Salesforce Developer Edition for development and finding that every time you log in from different computers, you’re prompted for a two-factor authentication code (OTP) sent to your email, it might not be your cup of tea. One way to handle this is by granting NETWORK ACCESS, allowing IP range …
How To Disable Two Factor Authentication in Salesforce Read More »
Utilizing apex:repeat in a Visualforce Page enables iteration through a collection’s contents based on a specified structure. This component supports collections with up to 1,000 items. When employed within an apex:pageBlockSection or apex:panelGrid component, all content generated by a nested apex:repeat component consolidates into a single cell of the respective apex:pageBlockSection or apex:panelGrid. It’s important …
How To resolve System.NullPointerException: Attempt to Reference a Null Object Error The System.NullPointerException: Attempt to dereference a null object is a prevalent error in Apex classes. It arises when a variable (be it an sObject, list, set, or any other data type) hasn’t been initialized or allocated memory. Initializing memory is crucial when utilizing non-primitive …
System NullPointerException Trying To Reference An Object That is Null Read More »
The Maximum Trigger Depth Exceeded Error in Salesforce primarily arises from trigger recursion. Recursion may happen due to various causes, where the same code is repetitively executed. This situation can generate an infinite loop, potentially reaching governor limits and occasionally yielding unexpected outcomes. Consider the scenario where the trigger checks if the contact’s last name …
Error Exceeded Maximum Trigger Depth in Salesforce Read More »
