Set the Development Mode and Show View State in Development Mode permissions set to see the View State tab in the development mode footer. The tab displays the distribution of view state. Make sure you know the view state size of each page, and test with large data volumes to determine if issues might occur after deployment.
- From your personal settings, enter Advanced User Details in the Quick Find box, then select Advanced User Details. No results? ...
- Click Edit.
- Select the Development Mode checkbox if it isn't selected.
- Select the Show View State in Development Mode checkbox.
- Click Save.
How to optimize the view state size in Salesforce?
This information can help you in optimizing the view state size. Once enabled, it shows up as a tab in Development Mode, as follows. you can enable that from Edit User-> Select view state checkbox after development mode checkbox.
How to check the state of a Salesforce Visualforce page?
At the bottom of your Visualforce page you will see 3 tabs -> Visualforce page, Apex Class and View State. Click on View State to get more information on the state of your Visualforce page. Thanks for contributing an answer to Salesforce Stack Exchange!
What is view state in Salesforce apex?
The View State tab shows you which elements on your page are taking up that space. In order to avoid this error, minimize your pages view state. You can optimize your Apex controller code and remove any superfluous Visualforce components used.
What is the maximum size of a view state in Visualforce?
The view state size of your Visualforce pages must be under 135 KB. By reducing your view state size, your pages can load quicker and stall less often.You can monitor view state performance through the View State tab in the development mode footer and take the following actions:
How do I know my view state size?
To monitor view state, you must first enable this by going to My Settings | Personal | Advanced User Details and clicking Edit. Select the Development Mode AND Show View State in Development Mode checkboxes and click Save.
What is the size of view state in salesforce?
Salesforce allows Visualforce pages to have a maximum view state size of 170KB. The View State tab shows you which elements on your page are taking up that space. A smaller view state size generally means quicker load times. In order to avoid this error, minimize your pages' view state.
What is the view state in salesforce?
View state holds the state/size of the visual force page that includes the components, field values, and controller state. This is important in the light that salesforce provides only a standard size of 135kb for any individual page.
What is show view state development mode?
Since the view state contributes to the overall size of your page, performance of a page can depend on efficiently managing the view state. The View State tab in the development mode footer provides information about the view state of your Visualforce page as it interacts with Salesforce.
How do I reduce the size of my view state?
In order to reduce the view state, make use of the following:"Transient" keyword - to declare instance variables that can't be saved, and shouldn't be transmitted as part of the view state for a VF page. ... Minimize the number of forms i.e
What is heap size in Salesforce?
Salesforce enforces an Apex Heap Size Limit of 6MB for synchronous transactions and 12MB for asynchronous transactions. The "Apex heap size too large" error occurs when too much data is being stored in memory during processing.
What is the difference between actionSupport and Actionfunction?
Action function can call the controller method from java script. 2. Action support adds AJAX support to another visualforce component and then call the controller method. Here action support adds AJAX to output panel, so once you click on output panel controller method will be called.
What are states in VF page in Salesforce?
What is view state in salesforce? ViewState holds state of the visualforce page that holds state that includes the fields, components and controller state. Viewstate data in encrypted and cannot be viewed tools like firebug. There is a limit of 135KB of view state.
What is actionSupport in Salesforce?
actionSupport component adds AJAX support to other components in visualforce. It allows components to be refreshed asynchronously by calling the controller's method when any event occurs (like click on button). It allows us to do partial page refresh asynchronously without refreshing full page.
How do I use Action regions in salesforce?
actionRegion provides an area of a Visualforce page that decides and separates which components should be processed by the force.com server when an AJAX request is generated. Only the components which are inside actionregion component are processed by server, so it increases visualforce page performance.
Where is development mode in salesforce?
Click on personal=>Advanced user details. Now click on edit button to enable development mode in salesforce. Select Development mode check box to enable as shown below. Click on Development check box and save the settings.
What are the AJAX functions why we use them in salesforce?
AJAX is the art of exchanging data between server and client without reloading the complete web page. Visualforce has inbuilt support for the AJAX. using the attribute “rerender” we can specify that where the response should be rendered.