Does ViewState affect performance?
Performance Impacts As the ViewState grows larger. It affects performance in the following ways: Increased CPU cycles to serialize and to deserialize the ViewState. Pages take longer to download because they are larger.
How do I enable ViewState?
View state enables a server control to maintain its state across HTTP requests. View state for a control is enabled if all of the following conditions are met: The EnableViewState property for the page is set to true . The EnableViewState property for the control is set to true .
What is ViewState in ASP Net web forms?
View state is the method that the ASP.NET page framework uses to preserve page and control values between round trips. When the HTML markup for the page is rendered, the current state of the page and values that must be retained during postback are serialized into base64-encoded strings.
Is ViewState secure?
The VIEWSTATE is a security risk if it is not encrypted (anyone could modify the VIEWSTATE values and POST to your pages.) If that page can decode the VIEWSTATE then it is not encrypted.
How do I turn off ViewState?
ViewState can be easily disabled for a particular control by setting EnableViewState property to False. ViewState can be disabled for the whole Page i.e. all controls on the Page by setting the EnableViewState property to False in the @Page Directive.
What is ViewState MVC?
View State is the method to preserve the Value of the Page and Controls between round trips. It is a Page-Level State Management technique. View State is turned on by default and normally serializes the data in every control on the page regardless of whether it is actually used during a post-back.
How long the items in ViewState exists?
Item stored in ViewState exist for the life of the current page. This includes postbacks. Viewstate become nothing once it redirects or transfer to another page.
What is the difference between web config and machine config?
The web. config files specify configuration settings for a particular web application, and are located in the application’s root directory; the machine. config file specifies configuration settings for all of the websites on the web server, and is located in $WINDOWSDIR$\Microsoft.Net\Framework\Version\Config.
How do I disable ViewState in web config?
ViewState can be disabled for the whole Application i.e. all Pages by setting the enableViewState property to False in the pages section of the Web. Config file.