Hour 23. Building More Responsive Web Pages with ASP.NET Ajax
Throughout this book we have created many ASP.NET pages that execute server-side code based on some user action. Clicking a button causes the Button Web control’s server-side
Click event handler to execute. Selecting an item from a DropDownList control whose
AutoPostBack property is set to
True causes the DropDownList’s
SelectedIndexChanged event to fire. Clicking the header column of a sortable GridView ...