Client side validation not working

问题:

I implemented client side validation i.e, Required attributes specified in Model and HTML.ValidationMesssage For in .cshtml and referenced the JQuery validator and was working fine when I click on save button. But when I implement onClick event of button an ajax call, the validation seems to be not working. I tried using IsValid but no luck.

Please find the below code.

Controller

  [HttpPost]
        public ActionResult AddClient(ClientModel clientData)
        {
            var clientObj = new Metadata.Client.Service.Client();

            string successMessage = string.Empty;

            clientObj.ClientType              = new Metadata.Client.Service.ClientType();
            clientObj.ClientName              = clientData.Client.ClientName;
            clientObj.ClientCode              = clientData.Client.ClientCode;
            clientObj.ClientType.ClientTypeId = clientData.ClientTypeSelectId;

             try
             {
                 clientObj = clientData.AddNewClient(clientObj);
             }
             catch (Exception ex)
             {

                  return new ContentResult { Content = ex.Message, ContentType = "application/json" };

             }

             return new ContentResult { Content = successMessage, ContentType = "application/json" };
             //return RedirectToAction("Index");

        }

JQuery - Added the below references.

<script src="../../Scripts/jquery.validate.min.js" type="text/javascript"></script>
<script src="../../Scripts/jquery.validate.unobtrusive.min.js" type="text/javascript"></script>
<script src="http://code.jquery.com/jquery-1.8.3.min.js" type="text/javascript"></script>
<script src="http://jzaefferer.github.com/jquery-validation/jquery.validate.js" type="text/javascript"></script>
 $("#addForm").validate(
    {


        submitHandler: function (form) 
        {
                var clientName = $('#Client_ClientName').val();
                var clientTypeId = $('#ClientTypeSelectId').val();
                var clientCode = $('#Client_ClientCode').val();

           $.ajax({
                    type: "POST",
                    async: false,
                    url: "/Client/AddClient",
                    cache: false,
                    data: { "clientName": clientName, "clientTypeId": clientTypeId, "clientCode": clientCode },
                    dataType: "json",
                    error: function (request) {
                        alert(request.responseText);
                    },
                    success: function (result) {
                        //alert('Successfully Inserted Client');
                        $.ajax({
                            url: "/Client/ClientGrid",
                            type: 'GET',
                            datatype: 'json',
                            success: function (data) {
                                $('#grid').html(data);
                                //alert('got here with data');
                            },
                            error: function () {
                                //alert('something bad happened');
                            }
                        });

                        $('#myClientDialogContainer').dialog('close');
                    }
                });
                return false;
            }
        });

Model

   public class Client
    {
        public int ClientId { get; set; }

        [Required(ErrorMessage = "Please Enter Client Name")]
        [Display(Name = "Client Name")]
        public string ClientName { get; set; }

        public ClientType ClientType { get; set; }
        public StatusType StatusType { get; set; }

        //[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
        [Required(ErrorMessage = "Please Enter Client Code")]
        [DataType(DataType.Text)]
        [Display(Name = "Client Code")]
        public string ClientCode { get; set; }

        //[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
        [DataType(DataType.Text)]
        [Display(Name = "Client Status Type Name")]
        public string ClientStatusTypeName { get; set; }

        //[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
        [DataType(DataType.Text)]
        [Display(Name = "Client Status Code Name")]
        public string ClientStatusCodeName { get; set; }

        [Display(Name = "Client Type Id")]
        public int ClientTypeId { get; set; }
    }

Validation code

<div class="editor-field">
    <span>

        @Html.ValidationMessageFor(c => c.Client.ClientName)
        <div class="row"></div>
        <span class ="label"> @Html.LabelFor(c => c.Client.ClientName, "Client Name :")</span>
        @Html.TextBoxFor(c => c.Client.ClientName, new { style = "width:50%; height:20px;" })
    </span>
    </div>
    <div class="editor-field">
        <span>
             @Html.ValidationMessageFor(m => m.ClientTypeSelectId)
             <div class="row"></div>
            <span class ="label">@Html.LabelFor(m => Model.Client.ClientType.ClientTypeName, "Client Type :")</span>
             @Html.DropDownListFor(m => m.ClientTypeSelectId, (SelectList)ViewBag.clientTypeListCombo, " ", new { style = "width:52%" })


        </span>
    </div>
    <div class="editor-label">
        <span>
            @Html.ValidationMessageFor(m => m.Client.ClientCode)
            <div class="row"></div>
            <span class="label">@Html.LabelFor(m => m.Client.ClientCode, "Client Code :")</span>
            @Html.TextBoxFor(m => m.Client.ClientCode, new { style = "width:50%; height:20px;" })
        </span> 
    </div>

Please can anyone help.

回答1:

Instead of submitting your form when button is clicked, try .submit() event of your form. Wrap your input elements inside html form tag. You should serialize your form and submit it to server instead of taking input values one by one.

$('#myForm').submit(function (e) {

   // Prevent default submit for ajax
   e.preventDefault();

   $.ajax({ /* Your ajax stuff goes here */ });
});

This way you won't bypass your validation.