A screenshot showing a view state error in salesforce To check the view state of a visual force page you have to make sure that Show View State in Development Mode checkbox in the User Layout is checked. You can access this setting from: Setup-> Manage User-> User-> Edit (on a particular user)-> Show View State in Development Mode
Full Answer
What is view state error in Salesforce?
View State: As the name suggests, it is an error of View State. Maximum view state size limit (135KB) exceeded is the error message pertaining to View State error and here follows a brief detailing of the issue. View state holds the state/size of the visual force page that includes the components, field values, and controller state.
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 view state of a visual force page?
This is important in the light that salesforce provides only a standard size of 135kb for any individual page. If the size of a particular page exceeds 135kb, the page will throw a view state error. To check the view state of a visual force page you have to make sure that Show View State in Development Mode checkbox in the User Layout is checked.
What is view state in salesforce development mode footer?
The View State tab in the development mode footer provides information about the view state of your Visualforce page as it interacts with Salesforce. If your not using input tags in visual force page form is not required.Without form Viewstate is not created. Minimize number of form on a page. Use apex:actionRegion instead of using 2 or more forms.
How do I resolve a view state error in salesforce?
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 view state exception in salesforce?
If the size of a particular page exceeds 135kb, the page will throw a view state error. A screenshot showing a view state error in salesforce. To check the view state of a visual force page you have to make sure that Show View State in Development Mode checkbox in the User Layout is checked.
How do I enable view state in salesforce?
To enable the View State tab: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.
What is view state in salesforce?
What is viewState? 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.
What is view state limit 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 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.
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 heap size limit in Salesforce?
The Heap size truly depends on the type of transaction, Salesforce provides a heap size limit of 6MB for the synchronous transaction and 12 MB for the asynchronous transaction. Whenever too much data is stored during processing an error occurs prompting Apex heap size too large.
What is transient variable in Salesforce?
The value of transient variable is only transferred from controller to visualforce page but not as part of view state. As the value is not part of view state, the changed value of that variable is not transferred back from visualforce page to controller when a new request is made by clicking a button or link.
What do developers mean when they say view state?
The view state of a web page is composed of all the data that's necessary to maintain the state of the controller during server requests (like sending or receiving data).
What is difference between transient and static?
The main difference between the two ( static versus transient ) is that static variables exist only once per transaction, but transient variables can exist many times. In other words, static variables have a global scope, while transient variables have a local scope.
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.
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