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POmvc3 - ajax form submit and server side validation
 

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    <p>I am sure this has been asked already, but I have been trying all the solutions given, but none of the given solution is solving my problem. Probably, I am not implementing it right.</p> <p>I am using MVC3, razor, jQuery.</p> <p>I have a new user registration form. Once registration is successful, I want to display the successful message (different on type of registration) in a dialog box.</p> <p>If there is any error with ModelState, means ModelState.IsValid == false, I want to display errors in ValidationSummary.</p> <p>View </p> <pre><code>function OnBegin () { alert('begin'); return $('form').validate().form(); } function OnSuccess () { alert('success'); DisplaySucess()} function OnFailure () { alert('failure'); } function DisplaySuccess() { var typeOfRegistration = $('input:radio[name=RegistrationType]:checked').val(); var msg; if (typeOfRegistration == 0) { msg = "You are successfully enrolled for Algebra classes."; } if (typeOfRegistration == 1) { msg = "You are registered with your email address. Someone would contact you with an email."; } if (typeOfRegistration == 2) { msg = "Thank you for filling up this form. One welcome packet would be delivered with in next 15 days"; } msg = msg.replace(/\n/g, '&lt;br /&gt;'); $('#dialog').html(msg); $('#dialog').dialog('open'); } </code></pre> <p></p> <pre><code>@model Models.RegistrationModel @using (Ajax.BeginForm("NewRegistration", "Account", new AjaxOptions() { OnBegin="OnBegin", OnSuccess = "OnSuccess", OnFailure = "OnFailure" })) { @Html.ValidationSummary() &lt;div&gt; Register&lt;br /&gt; @Html.RadioButton("RegistrationType ", "0", true) New Algebra class&lt;br /&gt; @Html.RadioButton("RegistrationType ", "1") New user registration by email&lt;br /&gt; @Html.RadioButton("RegistrationType ", "2") New user registration by mailing address&lt;br/&gt; ..some more types &lt;/div&gt; &lt;div&gt; …here I display/hide controls based on Registration type selected. &lt;div&gt; @Html.LabelFor("UserName") @Html.TextBox("UserName")&lt;/div&gt; } </code></pre> <p>Controller</p> <pre><code>public ActionResult NewRegistration(RegistrationModel model) { if (Request.IsAjaxRequest()) { if (!ModelState.IsValid) { //Ques: How do I display this in ValidationSummary. return Json(new object[] { false, "Contains Email Address", ModelState.GetAllErrors() }); } else { if (UserNameIsTaken){ //Ques: This does not show in ValidationSummary ModelState.AddModelError("_FORM", "This username is already taken. Please pick a different username."); } } } else if (!ModelState.IsValid) { return View(model); } } </code></pre> <p>Model</p> <pre><code>public class RegistrationModel: IValidatableObject { [Required] //this gets displayed in ValidationSummary as Client-side validation public string UserName { get; set; } .. and all fields here } public IEnumerable&lt;ValidationResult&gt; Validate(ValidationContext context) { if (!string.IsNullOrEmpty(UserName) &amp;&amp; UserName.Contains(EmailAddress)) { yield return new ValidationResult("Username cannot contain email address", new[] { "UserName" }); } } </code></pre> <p>Web.config has </p> <blockquote> <p>UnobtrusiveJavaScriptEnabled="true" and ClientValidationEnabled="true"</p> </blockquote> <p>.js files included are</p> <blockquote> <p>script src="@Url.Content("~/Scripts/jquery-1.7.1.min.js")" type="text/javascript"></p> <p>script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></p> <p>script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></p> <p>script src="@Url.Content("~/Scripts/jquery.unobtrusive-ajax.min.js")" type="text/javascript"></p> </blockquote> <p>What am I missing here? Any alternative? Thanks in advance.</p>
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