Postback not updating bound listbox
With a checkbox, neither the name nor value is submitted if it’s unchecked!This again can throw off the ability of the model binder to match up submitted form values to the correct object in the list.Notice how we simply repeat each property of the book in the form post data?
NET that allow you to easily create websites for working with the create, read, update, and delete (CRUD) operations of an entire data model that exists as either a Data Context (such as LINQ to SQL) or an Object Context (such as LINQ to Entities).Here’s an example of a form that submits three books.Note that the index must be an unbroken sequence of integers starting at 0 and increasing by 1 for each element. NET MVC 2 will produce the correct format within a for loop.In general, the postback handler is a mechanism which allows to intercept postbacks on any control and execute your own custom logic before the postback is actually sent to the server. You can attach a postback handler to any control using the control.If the user declines the confirmation, the postback won't be initiated.