When your page uses a custom controller, you can’t use a standard controller. Pages use a different attribute to set the custom controller. Open the Developer Console and click File | New | Visualforce Page to create a new Visualforce page.
Full Answer
What is a standard controller in Salesforce?
A standard controller consists of the same functionality and logic that is used for a standard Salesforce page. For example, if you use the standard Accounts controller, clicking a Save button in a Visualforce page results in the same behavior as clicking Save on a standard Account edit page.
Why can't I use a custom controller?
The problem is that a pure custom controller which is not an extension of a standard controller (sufficient alone at first sight) is difficult to use from a button or a link.
What are the benefits of using a standard controller?
Using a standard controller means that you will not have to write any tests, or maintain any code - that is the main benefit, but you are restricted to more basic functionality and logic, but this is fine if you just want a custom visualforce page for Create, Update and Delete.
What is a Visualforce controller?
A Visualforce controller is a set of instructions that specify what happens when a user interacts with the components specified in associated Visualforce markup, such as when a user clicks a button or link. Controllers also provide access to the data that should be displayed in a page, and can modify component behavior.
Can we have standard controller for custom object?
Yes, we can create standard controller for custom object in Salesforce, Its upto devlopers' choice.
Can we use both standard controller and custom controller together in Salesforce?
We can use Stnadard controller/ Custom Controller and extensions at a time. But we cannot use Standard controller & Custom controller at a time.
What is difference between standard controller and custom controller in Salesforce?
Custom controllers are written by you and do what your code tells them to do. StandardController: for that we can implement Standard functionalities (save, quickSave, edit, delete,cancel), and passing recordID through Addressbar we can display the Record On VF-Page.
How will you define the standard controllers in Salesforce?
Standard Controller in Salesforce provides the ability to access and interact with structures business data contained in records and displays the data in the proper user Interface. StandardController attribute must be used on
Can I have standard controller and custom controller in the same page?
A custom and standard controller cannot be referenced in the same page.
Can we use standard controller and controller attributes at the same time?
NOTE– You cannot use the standardController and controller attributes at the same time.
What is standard controller for custom object?
A standard controller, is the "standard" one, the starting point that you will typically start using and that implements the functionality of a standard or custom object like: Account or
How do I override a standard controller in Salesforce?
Overriding Tabs Using a Standard List ControllerFrom the object management settings for accounts, go to Buttons, Links, and Actions.Click Edit for the Accounts Tab.From the Visualforce Page drop-down list, select the overrideAccountTab page.Click Save.
What is standard controller controller and extension?
A controller extension is an Apex class that extends the functionality of a standard or custom controller. Use controller extensions when: You want to leverage the built-in functionality of a standard controller but override one or more actions, such as edit, view, save, or delete. You want to add new actions.
How do I use a standard controller in Salesforce?
Use Standard ControllersExplain what a Visualforce standard controller is and describe its key attributes.Add a standard controller to a Visualforce page.Display data from a record retrieved by a page's standard controller.Write an expression that uses dot notation to access fields on a related record.
How do I find my standard controller record ID?
There is an easy way to get record id in extension controller. Case temp = (Case)controller. getRecord(); CaseNrt = temp.id; else it would throw some error "Incompatible types since an instance of Id is never an instance of SOBJECT".
Why do we need a standard controller?
Standard controllers provides ability to access and interact with structured business data contained in records displays in the proper user interface. Standard controller tasks: controlling data, controlling actions and controlling navigation.