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DayPilot » Knowledge Base » How to show a modal dialog in ASP.NET MVC 3 Razor

How to show a modal dialog in ASP.NET MVC 3 Razor

Last revision: Feb 6, 2013

mvc 3 razor modal popup dialog

Update (February 6, 2013):

See also:

How to:

1. Configure the main DayPilot for MVC control (Calendar, Scheduler, Month) to use JavaScript event click handling. The following example uses DayPilot Scheduler control:

@Html.DayPilotScheduler("dps", new DayPilotSchedulerConfig
{
  BackendUrl = Url.Content("~/Scheduler/Backend"),

  EventClickHandling = EventClickHandlingType.JavaScript,
  EventClickJavaScript = "editEvent(e.value());",
})

2. Include modal.js script in the page:

<script src="@Url.Content("~/Scripts/DayPilot/modal.js")" type="text/javascript"></script>

3. Create the editEvent() function that will handle the EventClick event. This method will open the modal dialog box.

<script type="text/javascript">
function editEvent(id) {
  var modal = new DayPilot.Modal();
  modal.top = 60;
  modal.width = 300;
  modal.opacity = 70;
  modal.border = "10px solid #d0d0d0";
  modal.closed = function() { 
    if(this.result == "OK") { 
      dps.commandCallBack('refresh'); 
    }
  };
	
  modal.height = 250;
  modal.zIndex = 100;
  modal.showUrl("Edit/" + id);
}        
</script>

4. The modal popup content will be loaded from "Edit/id" url - see modal.showUrl() call. This is a standalone page.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
        <script src="@Url.Content("~/Scripts/jquery-1.5.1.min.js")" type="text/javascript"></script>
   	<style>
   	p, body, td { font-family: Tahoma, Arial, Sans-Serif; font-size: 10pt; }
   	</style>
    <title></title>
</head>
<body>
    <form id="f" method="post" action="@Url.Action("Edit")">
    <h2>Edit Event</h2>

    <div style="margin-top:20px">
        @Html.TextBox("Text") @Html.Hidden("Id")
    </div>
    
    <div style="margin-top:20px">
        <input type="submit" value="Save" />
        <a href="javascript:close()">Cancel</a>
    </div>
    
    
    </form>
    
    <script type="text/javascript">
        function close(result) {
           if (parent && parent.DayPilot && parent.DayPilot.ModalStatic) {
                parent.DayPilot.ModalStatic.close(result);
           }
        }
        
        $("#f").submit(function() {
                var f = $("#f");
                $.post(f.action, f.serialize(), function(result) {
                    close(eval(result));
                });
                return false;
            });
    
    </script>
    
</body>
</html>

5. Note the following elements:

JQuery is required:

<script src="@Url.Content("~/Scripts/jquery-1.5.1.min.js")" type="text/javascript"></script>

The form action url is defined but the form is not submitted directly. The url is used later in an AJAX call:

<form id="f" method="post" action="@Url.Action("Edit")">

You can customize the form field. Here we use just the event text:

    <div style="margin-top:20px">
        @Html.TextBox("Text")
    </div>

Don't forget to include the event Id in a hidden field:

@Html.Hidden("Id")

It is necessary to hook the submit event on the form. We will send the data using a manual AJAX call to the controller:

        $("#f").submit(function() {
                var f = $("#f");
                $.post(f.action, f.serialize(), function(result) {
                    close(eval(result));
                });
                return false;
            });

The form submission will be cancelled:

return false;

Instead, we will close the dialog box and send the AJAX response as result to the original page:

close(eval(result));

6. The controller for the Edit page is quite simple.

For GET requests, it will load the event and send it back to the view as a model:

        public ActionResult Edit(string id)
        {
            var e = new EventManager(this).Get(id) ?? new EventManager.Event();
            return View(e);
        }

The POST requests will update the event in the database as send "OK" as a JSON result:

        [AcceptVerbs(HttpVerbs.Post)]
        public ActionResult Edit(FormCollection form)
        {
            new EventManager(this).EventEdit(form["Id"], form["Text"]);
            return JavaScript(SimpleJsonSerializer.Serialize("OK"));
        }

Related

Event Calendar for jQuery (ASP.NET MVC)
How to open an event edit dialog from a context menu (Calendar)
How to show event details in a modal dialog (modal.js)
How to open a new event dialog using TimeRangeSelected event (modal.js)