Unlocking the potential of an Asp.Net Mvc Form: Tips for maximizing value

Upon submitting the update form, it is necessary to verify that the Status value is not less than zero. This specific part of the form is as follows:

<div class="form-group">
            @Html.LabelFor(model => model.Status, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
                @Html.EditorFor(model => model.Status, new { htmlAttributes = new { @class = "form-control" } })
                @Html.ValidationMessageFor(model => model.Status, "", new { @class = "text-danger" })
            </div>
        </div>

If using JavaScript to submit the entire form, how can I retrieve this specific value?

$(document).ready(function () {


         $("#btnUpdateProduct").click(function () {

             // Some where here or after var myformdata = $("#myForm").serialize(); I must check if
             // Value of @Html.LabelFor(model => model.Status .....

             var myformdata = $("#myForm").serialize();

             $.ajax({

                 type: "POST",
                 url: "/Home/EditProduct",
                 data: myformdata,
                 success: function () {

                     $("#updateModal").modal("hide");
                     location.reload();

                 }

             })
         })

     })

Below is the complete View Form:

@model Products.Models.Product

<div>
    <form id="myForm">
    <div class="form-horizontal">
        <h4>Product</h4>
        <hr />
        @Html.ValidationSummary(true, "", new { @class = "text-danger" })
        @Html.HiddenFor(model => model.ProductId)
        @Html.HiddenFor(model => model.CountryId)
    @Html.HiddenFor(model => model.ModelId)


        <div class="form-group">
            @Html.LabelFor(model => model.ProductName, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
            @Html.EditorFor(model => model.ProductName, new { htmlAttributes = new { @class = "form-control" } })
            @Html.ValidationMessageFor(model => model.Model, "", new { @class = "text-danger" })
            </div>
        </div>

        <div class="form-group">
            @Html.LabelFor(model => model.Model, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
                @Html.EditorFor(model => model.Model, new { htmlAttributes = new { @class = "form-control" } })
                @Html.ValidationMessageFor(model => model.Model, "", new { @class = "text-danger" })
            </div>
        </div>

        <div class="form-group">
            @Html.LabelFor(model => model.Status, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
                @Html.EditorFor(model => model.Status, new { htmlAttributes = new { @class = "form-control" } })
                @Html.ValidationMessageFor(model => model.Status, "", new { @class = "text-danger" })
            </div>
        </div>

        <div class="form-group">
            <div class="col-md-offset-2 col-md-10">
                <input type="submit" value="Save" class="btn btn-default" id="btnUpdateProduct"/> 
            </div>
        </div>
    </div>

Thank you!

Answer №1

To ensure your Status is validated, consider assigning an id to your editor as shown below.

Razor Modification.

 @Html.EditorFor(model => model.Status, new { htmlAttributes = new { @class = "form-control", @id = "MyStatus" } })

Next, utilize the following javascript code for validation.

var status = document.getElementById("MyStatus").value;
if(status >= 0)
{
     $.ajax({
                 type: "POST",
                 url: "/Home/EditProduct",
                 data: myformdata,
                 success: function () {

                     $("#updateModal").modal("hide");
                     location.reload();

                 }

             })
}
else
    alert("Status must be greater than zero");

Answer №2

In order to ensure that the user meets certain criteria before submitting, I would prevent them from being able to submit until those conditions are satisfied. It's just a matter of personal preference.

@Html.LabelFor(model => model.Status, htmlAttributes: new { @class = "control-label col-md-2 checkMe" })

$(document).ready(function () {
    $('#btnUpdateProduct').attr('disabled', 'disabled');
    $('.checkMe').change(function(){
       if(parseInt($(this).val()) > 0) {
         $('#btnUpdateProduct').removeAttr('disabled');
        } else {
         $('#btnUpdateProduct').attr('disabled', 'disabled');
        }
     });

     $("#btnUpdateProduct").click(function () {

         // At some point here or after var myformdata = $("#myForm").serialize(); I need to verify whether
         // the value of @Html.LabelFor(model => model.Status .....

         var myformdata = $("#myForm").serialize();

         $.ajax({

             type: "POST",
             url: "/Home/EditProduct",
             data: myformdata,
             success: function () {

                 $("#updateModal").modal("hide");
                 location.reload();

             }

         })
     })
 })

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