What is the main difference between postback and cross page posting?
You will have to know the difference between postback for the first time when the new page is loaded and postback for the second time. So postback is just posting back to the same page. Remember one thing, the postback contains all the information collected on the Initial page for processing.
What is Crosspage posting?
Cross page posting means you are posting form data to another page. This is useful when you want to post data to another page and do not want incur the overhead of reloading the current page.
What is a page postback?
From Wikipedia, the free encyclopedia. In web development, a postback is an HTTP POST to the same page that the form is on. In other words, the contents of the form are POSTed back to the same URL as the form.
What is .NET Viewstate?
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.
How is cross page posting done?
Cross page posting is submitting the form to a different page. This is usually required when you are creating a multi page form to collect information from the user on each page. When moving from the source to the target page, the values of controls in the source page can be accessed in the target page.
What happens during a cross page postback?
During a cross-page postback, the contents of the source page’s controls are posted to the target page, and the browser executes an HTTP POST operation (not a GET operation). However, in the target page, the IsPostBack property is false immediately after a cross-page post.
When to use cross page post backs in ASP.NET 2.0?
In ASP.Net 2.0, you can use cross-page post backs to post to a different web page, resulting in more intuitive, structured and maintainable code.
What does postback mean in ASP.NET codeproject?
So postback is just posting back to the same page. Remember one thing, the postback contains all the information collected on the Initial page for processing. Now the question is this… how can you know whether the page is postback for the first time or not. The ASP.NET Page class has a property IsPostBack. You can check this using IsPostBack.
What causes a web page to post back to itself?
By default, buttons and other controls that cause a postback on an ASP.NET Web page submit the page back to itself. This is part of the round-trip cycle that ASP.NET Web pages go through as part of their normal processing. For details, see Introduction to ASP.NET Web Pages.