MVC 2 Ajax.Beginform passes returned Html to javascript function

Posted by Joe on Stack Overflow See other posts from Stack Overflow or by Joe
Published on 2010-03-23T16:45:56Z Indexed on 2010/03/23 17:43 UTC
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Hi,

I have a small partial Create Person form in a page above a table of results. I want to be able to post the form to the server, which I can do no problem with ajax.Beginform.

 <% using (Ajax.BeginForm("Create", new AjaxOptions { OnComplete = "ProcessResponse" }))
          {%>
        <fieldset>
            <legend>Fields</legend>

            <div class="editor-label">
                <%=Html.LabelFor(model => model.FirstName)%>
            </div>
            <div class="editor-field">
                <%=Html.TextBoxFor(model => model.FirstName)%>
                <%=Html.ValidationMessageFor(model => model.FirstName)%>
            </div>

            <div class="editor-label">
                <%=Html.LabelFor(model => model.LastName)%>
            </div>
            <div class="editor-field">
                <%=Html.TextBoxFor(model => model.LastName)%>
                <%=Html.ValidationMessageFor(model => model.LastName)%>
            </div>

            <p>
             <input type="submit" />

            </p>
        </fieldset>
<%
           }
%>

Then in my controller I want to be able to post back a partial which is just a table row if the create is successful and append it to the table, which I can do easily with jquery.

$('#personTable tr:last').after(data);

However, if server validation fails I want to pass back my partial create person form with the validation errors and replace the existing Create Person form.

I have tried returning a Json array

Controller:

 return Json(new
                {
                    Success = true,
                    Html= this.RenderViewToString("PersonSubform",person)

                });

Javascript:

var json_data = response.get_response().get_object();

with a pass/fail flag and the partial rendered as a string using the solition below but that doesnt render the mvc validation controls when the form fails.

SO RenderPartialToString

So, is there any way I can hand my javascript the out of the box PartialView("PersonForm") as its returned from my ajax.form? Can I pass some addition info as a Json array so I can tell if its pass or fail and maybe add a message?

UPDATE

I can now pass the HTML of a PartialView to my javascript but I need to pass some additional data pairs like ServerValidation : true/false and ActionMessage : "you have just created a Person Bill". Ideally I would pass a Json array rather than hidden fields in my partial.

function ProcessResponse(response) {

            var html = response.get_data();

            $("#campaignSubform").html(html);

        }

Many thanks in advance

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