Search, sort, paging, insert, update and delete with ASP.Net MVC and bootstrap modal popup PART-2

To add insert, update and delete feature we are going to use bootstrap modal popup with a single JavaScript method to open any partial view as a modal popup and one method to post the data from modal, which can work for entire application. First we will add some code to our layout view to dynamically add the partial view in it and JavaScript file, then we will add code only one for add new phone, edit and then finally for delete of phone with the help of jQuery.

First of we will create a JavaScript file which will be used to open the partial view as Modal Popup by using bootstrap. For it create a new folder “Appjs” into script folder on the root, and add a new JavaScript “phone.js” file, before discussing the trick we will used to open any partial view as modal popup, here is the complete JavaScript code:

$(function () {
    $.ajaxSetup({ cache: false });
    $("a[data-modal]").on("click", function (e) {        
        $('#myModalContent').load(this.href, function () {
            $('#myModal').modal({
                keyboard: true
            }, 'show');
            bindForm(this);
        });
        return false;
    });
});

function bindForm(dialog) {
    $('form', dialog).submit(function () {
        $('#progress').show();
        $.ajax({
            url: this.action,
            type: this.method,
            data: $(this).serialize(),
            success: function (result) {
                if (result.success) {
                    $('#myModal').modal('hide');
                    $('#progress').hide();
                    location.reload();
                } else {
                    $('#progress').hide();
                    $('#myModalContent').html(result);
                    bindForm();
                }
            }
        });
        return false;
    });
}

If you can notice the first method, it uses a[data-modal], it means we will use data-modal="" with anchor tag to open the modal popup. This method will add the partial view HTML into div with Id myModalContent which we will use latter on the phone view. Second method is simple which will be use to post the data from the modal.

Html code where we will add our partial view by above created JavaScript method, so add following lines to our phone view at the bottom

<!-- modal placeholder-->
<div id='myModal' class='modal fade in'>
    <div class="modal-dialog">
        <div class="modal-content">
            <div id='myModalContent'></div>
        </div>
    </div>
</div>

@section scripts{
    @Scripts.Render("~/scripts/appjs/phones.js")
}

First we will create the Action method for detail in our phone controller, here is the complete action method

// GET: /Phone/Details/5
public ActionResult Details(int id = 0)
{
    Phone phone =  db.Phones.Find(id);
    if (phone == null)
    {
        return HttpNotFound();
    }
    return PartialView("Details", phone);
}

Note, I am return the Details view as a partial view with correct phone detail from database on the basis of phone Id, right click in detail action method and add a view details and adjust the html as given here

@model MvcBootstrapCrud.Models.Phone

<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 class="modal-title">Phone Detail</h3>
</div>

<div class="modal-body">
    <div class="form-horizontal">
        <div class="form-group">
            @Html.LabelFor(m => Model.Model, new { @class = "control-label col-sm-3" })
            <div class="col-sm-9">
                @Html.TextBoxFor(m => m.Model, new { @class = "form-control required", @disabled = "disabled"})
            </div>
        </div>

        <div class="form-group">
            @Html.LabelFor(m => Model.Company, new { @class = "control-label col-sm-3" })
            <div class="col-sm-9">
                @Html.TextBoxFor(m => m.Company, new { @class = "form-control required", @disabled = "disabled"})
            </div>
        </div>

        <div class="form-group">
            @Html.LabelFor(m => Model.Price, new { @class = "control-label col-sm-3" })
            <div class="col-sm-9">
                @Html.TextBoxFor(m => m.Price, new { @class = "form-control required" , @disabled = "disabled"})
            </div>
        </div>
    </div>
</div>

<div class="modal-footer">
    <button class="btn btn-warning" data-dismiss="modal">Close</button>
</div>

We already added the anchor tag for view, edit and delete in our WebGrid in Part-1 with attribute data-model ="" so clicking on the different icon will open the partial view as a modal popup. Run the application and click on any detail icon we will get the output like this Now create two new action method Create in the same phone controller, one for get and other for post like this

// GET: /Phone/Create
[HttpGet]
public ActionResult Create()
{
    var phone = new Phone();
    return PartialView("Create", phone);
}


// POST: /Phone/Create
[HttpPost]
public JsonResult Create(Phone phone)
{
    if (ModelState.IsValid)
    {
        db.Phones.Add(phone);
        db.SaveChanges();
        return Json(new { success = true });
    }
    return Json(phone, JsonRequestBehavior.AllowGet);
}

Nothing special in these two methods so add the view for create

@model MvcBootstrapCrud.Models.Phone

<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 class="modal-title">Add New Phone</h3>
</div>


@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()

    <div class="modal-body">

        <div class="form-horizontal">
            <div class="form-group">
                @Html.LabelFor(m => Model.Model, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Model, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Model)
                    </div>
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Company, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Company, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Company)
                    </div>
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Price, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Price, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Price)
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="modal-footer">
        <span id="progress" class="text-center" style="display: none;">
            <img src="/images/wait.gif" alt="wiat" />
            Wait..
        </span>

        <input class="btn btn-primary" type="submit" value="Save" />
        <button class="btn btn-warning" data-dismiss="modal">Close</button>
    </div>
}
<script>
    $("form").removeData("validator");
    $("form").removeData("unobtrusiveValidation");
    $.validator.unobtrusive.parse("form");
</script>

Run an try to add a new phone, it will looks a like this

Similarly we can add method and view for Edit and Delete, so let’s add them, code for edit action method and view

// GET: /Phone/Edit/5
[HttpGet]
public ActionResult Edit(int id = 0)
{
    var phone = db.Phones.Find(id);
    if (phone == null)
    {
        return HttpNotFound();
    }

    return PartialView("Edit", phone);
}


// POST: /Phone/Edit/5
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Edit(Phone phone)
{
    if (ModelState.IsValid)
    {
        db.Entry(phone).State = EntityState.Modified;
        db.SaveChanges();
        return Json(new { success = true });
    }
    return PartialView("Edit", phone);
}
// Complete Edit view HTML 
@model MvcBootstrapCrud.Models.Phone

<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 class="modal-title">Edit Phone</h3>
</div>


@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()
    @Html.HiddenFor(m=>m.PhoneId)

    <div class="modal-body">

        <div class="form-horizontal">
            <div class="form-group">
                @Html.LabelFor(m => Model.Model, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Model, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Model)
                    </div>
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Company, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Company, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Company)
                    </div>
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Price, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Price, new { @class = "form-control required" })
                    <div>
                        @Html.ValidationMessageFor(m => m.Price)
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="modal-footer">
        <span id="progress" class="text-center" style="display: none;">
            <img src="/images/wait.gif" alt="wiat" />
            Wait..
        </span>

        <input class="btn btn-primary" type="submit" value="Save" />
        <button class="btn btn-warning" data-dismiss="modal">Close</button>
    </div>
}
<script>
    $("form").removeData("validator");
    $("form").removeData("unobtrusiveValidation");
    $.validator.unobtrusive.parse("form");
</script>

Output of Edit View

Action method and View HTML for Delete, I used one for Get, and other for Post, if you want to use the confirmation box of JavaScript then you need only one to Post, but before deleting I am showing complete detail to decide, see the code

// GET: /Phone/Delete/5
public ActionResult Delete(int id = 0)
{
    Phone phone = db.Phones.Find(id);
    if (phone == null)
    {
        return HttpNotFound();
    }
    return PartialView("Delete", phone);
}


//
// POST: /Phone/Delete/5
[HttpPost, ActionName("Delete")]
[ValidateAntiForgeryToken]
public ActionResult DeleteConfirmed(int id)
{
    var phone = db.Phones.Find(id);
    db.Phones.Remove(phone);
    db.SaveChanges();
    return Json(new { success = true });
}
 ////////////   Delete view HTML  ////////////
@model MvcBootstrapCrud.Models.Phone

<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 class="modal-title">Delete Phone</h3>
</div>


@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()
    <div class="modal-body">

        <div class="form-horizontal">
            <div class="form-group">
                @Html.LabelFor(m => Model.Model, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Model, new { @class = "form-control required", @disabled = "disabled" })
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Company, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Company, new { @class = "form-control required", @disabled = "disabled" })
                </div>
            </div>

            <div class="form-group">
                @Html.LabelFor(m => Model.Price, new { @class = "control-label col-sm-3" })
                <div class="col-sm-9">
                    @Html.TextBoxFor(m => m.Price, new { @class = "form-control required", @disabled = "disabled" })
                </div>
            </div>
            <div class="form-group">
                <div class="col-sm-9 col-sm-offset-3">
                    <h3>
                        <span class="label label-danger">Are you sure to delete this phone?
                        </span>
                    </h3>
                </div>
            </div>
        </div>
    </div>


    <div class="modal-footer">
        <button class="btn btn-primary" data-dismiss="modal">No</button>
        <input class="btn btn-danger" type="submit" value="Yes" />
    </div>
}

Output of delete view:

Some basic CSS which I used to color the textbox and WebGrid paging

.input-validation-error, .required
{
    border-left:5px solid #ee0000 !important;
}
.valid
{
    border-left:5px solid #00aa00 !important;
}
.field-validation-error
{
    color:#990000;
}
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 60px;
    background-color: #f5f5f5;
}

tfoot
{
    text-align: right;
}
tfoot > tr > td a:link
{
    color: #fff;
    background-color: #333;
    padding: 5px 10px;
    border-radius: 7px;
}

Conclusion

• [HttpPost, ActionName("Delete")], we use it to confirm the detetion, it is a way to define what action name you want to call this method
• We used some JavaScript code at the bottom of Create and Edit view, it is for adding the client side validation, try to change value for price with some invalid value, immediately it will show you the error.
• As I promised to use the single method to open the modal popup for all the links and only on method for post the data, we achieved, it can be used for entire application, if you want.

I’ll be more than happy to accept the comment and suggestion, If anyone can suggest us any better idea surely we can discuss and share with our users.

See Search, sort, paging, .... PART-1

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