How to make HtmlSelect Control with OnChange event to trigger C# code behind function

Question

How should I make \"Html Select Control\" with OnChange event to trigger C# code behind function
like ASP.NET SelectedIndexChanged of the DropDownList C

Answer 1

Use Ajax call in xx_ServerChange function from JavaScript

$.ajax({
    type: 'POST',
    url: 'PageName.aspx/functionName()',
    data: '{ }',
    contentType: 'application/json; charset=utf-8',
    dataType: 'json',
    success: function(msg) {
        // Do something interesting here.
    }
});