Determine Your ASP.NET Framework Page's View State Size

The ASP.NET framework WebForms model aims to simplify web development by blurring the line between the client and the server. In short, WebForms allow the .NET developer to set aside the fact that the browser and the web server are temporally, physically, and logically disconnected. The page developer can create server-side event handlers that execute in response to a client-side action (like clicking a button). He can make server-side changes to properties of Web controls on the page and need not worry about reinstating those properties on the subsequent postback. One of the essential ingredients for performing this magic is view state.

View state represents the state of an ASP.NET web page that is to be remembered across postbacks. On each page visit, an ASP.NET web page automatically constructs this state information and stores it to a hidden form field on the page named __VIEWSTATE. When the form is submitted, the browser returns this hidden form field to the server; the ASP.NET page then parses the view state information to reconstruct the state from the previous page visit. This entire process happens automatically behind the scenes and is, in part, what makes ASP.NET web development so accessible.

Unfortunately, there is no such thing as a free lunch, and view state is no exception. The presence of view state adds to the size of the page, thereby resulting in larger page sizes that can negatively effect the user experience. What's more, certain controls, such as DropDownLists and GridViews, can significantly add to the heft of a page's view state. It's a good practice for WebForm developers to keep an eye on their pages' view state sizes to ensure an optimal user experience. This article shows two ways to programmatically determine a page's view state size and to provide a warning should the view state size exceed some specified threshold. To read the entire article, Determine Your ASP.NET Framework Page's View State Size, click here.

Related Articles





About the Author

Scott Mitchell

Scott Mitchell is the Editor, founder, and primary contributor to 4GuysFromRolla.com. In addition to founding 4GuysFromRolla.com, Scott also created ASPFAQs.com and ASPMessageboard.com. He works as a freelance writer, trainer, and consultant and resides in California.

Comments

  • Good Article

    Posted by pjadhav on 09/20/2010 06:31am

    Good Article

    Reply
Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • Organizations are increasingly gravitating toward mobile-first application development as they assess the need to revamp their application portfolios to support touch computing and mobility. Consumerization has brought higher expectations for application usability along with the mobile devices themselves. Enterprises are increasingly shifting their new application acquisitions and development efforts toward mobile platforms. With this backdrop, it is natural to expect application platform vendors to invest in …

  • Cloud computing isn't new, but it's still a hot topic in technology circles. Moving to the cloud has done great things for many businesses. When it comes to handling a basic business necessity, cloud computing has brought many improvements to overall business continuity. Using the cloud for DR makes a lot of sense for many, but it's not exactly the most simple concept. Read this eBook to find answers to all the key questions IT professionals have about cloud-based disaster recovery, and helpful info around the …

Most Popular Programming Stories

More for Developers

RSS Feeds

Thanks for your registration, follow us on our social networks to keep up-to-date