Calling ASP.NET MVC Action Methods from JavaScript

http://haacked.com/archive/2011/08/18/calling-asp-net-mvc-action-methods-from-javascript.aspx

How to make a postback withoud validation for a button in ASP.NET webform?

Set CauseValidation to false.

<asp:Button runat="server" ID="button1" Text="Go" OnClick="Button1_Click"  CausesValidation="false"/>