asp.net-mvc – Page 68

How can I supply an AntiForgeryToken when posting JSON data using $.ajax?

February 4, 2023 by Tarik

You don’t need the ValidationHttpRequestWrapper solution since MVC 4. According to this link. Put the token in the headers. Create a filter. Put the attribute on your method. Here is my solution: var token = $(‘input[name=”__RequestVerificationToken”]’).val(); var headers = {}; headers[‘__RequestVerificationToken’] = token; $.ajax({ type: ‘POST’, url: ‘/MyTestMethod’, contentType: ‘application/json; charset=utf-8’, headers: headers, data: JSON.stringify({ … Read more

Proper usage of .net MVC Html.CheckBoxFor

February 4, 2023 by Tarik

That isn’t the proper syntax The first parameter is not checkbox value but rather view model binding for the checkbox hence: @Html.CheckBoxFor(m => m.SomeBooleanProperty, new { @checked = “checked” }); The first parameter must identify a boolean property within your model (it’s an Expression not an anonymous method returning a value) and second property defines … Read more

Display DateTime value in dd/mm/yyyy format in Asp.NET MVC

February 4, 2023 by Tarik

All you have to do is apply the format you want in the html helper call, ie. @Html.TextBoxFor(m => m.RegistrationDate, “{0:dd/MM/yyyy}”) You don’t need to provide the date format in the model class.

How and where to define an environment variable on Azure

February 4, 2023 by Tarik

Html.DropDownList – Disabled/Readonly

February 4, 2023 by Tarik

Try this Html.DropDownList(“Types”, Model.Types, new { @disabled = “disabled” })

Getting index value on razor foreach

February 4, 2023 by Tarik

@{int i = 0;} @foreach(var myItem in Model.Members) { <span>@i</span> i++; }

ASP.NET MVC dropdown with a default empty option

February 3, 2023 by Tarik

The below will prepend string.Empty to the SelectList (or IEnumerable) specified in the ViewData[“Menu”] item. The select will have id and name MenuID. <%= Html.DropDownList( “MenuID”, (IEnumerable<SelectListItem>)ViewData[“Menu”], string.Empty ) %> Documentation: DropDownList method

Caching in asp.net-mvc

February 3, 2023 by Tarik

I like to cache in the model or data layer as well. This isolates everything to do with retrieving data from the controller/presentation. You can access the ASP.NET cache from System.Web.HttpContext.Current.Cache or use the Caching Application Block from the Enterprise Library. Create your key for the cached data from the parameters for the query. Be … Read more

Why do I get null instead of empty string when receiving POST request in from Razor View?

February 3, 2023 by Tarik

You can use the DisplayFormat attribute on the property of your model class: [DisplayFormat(ConvertEmptyStringToNull = false)]

How to add Date Picker Bootstrap 3 on MVC 5 project using the Razor engine?

February 3, 2023 by Tarik

This answer uses the jQuery UI Datepicker, which is a separate include. There are other ways to do this without including jQuery UI. First, you simply need to add the datepicker class to the textbox, in addition to form-control: <div class=”form-group input-group-sm”> @Html.LabelFor(model => model.DropOffDate) @Html.TextBoxFor(model => model.DropOffDate, new { @class = “form-control datepicker”, placeholder … Read more