MVC Model with a list of objects as property

Question

I am working on an MVC application where the Model class Item has a List named AvailableColours as a property.

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Answer 1

Models

public class Item
{
   public List AvailableColours { get;set; }
}

public class Colour
{
    public int ID { get; set; }
    public string Description { get; set; }
    public bool Checked { get; set; }

}

Note the Checked property

View for loop

@using (Html.BeginForm("Create", "Item", FormMethod.Post)) 
{
   

    @Html.LabelFor(model => model.AvailableColours)
    @for(var i = 0; i < Model.AvailableColours.Count; i++)
    {    

        @Html.HiddenFor(m => Model.AvailableColours[i].ID)
        @Html.HiddenFor(m => Model.AvailableColours[i].Description)
        @Html.CheckBoxFor(m => Model.AvailableColours[i].Checked)
        @Model.AvailableColours[i].Description

     }
    

}

Note the for loop insted of foreach to enable model binding and the hidden fields to allow the values to be posted back to the controller

Model Binding To A List

Controller post

[HttpPost]
public ActionResult Create(Item model)
{
    //All the selected are available in AvailableColours

    return View(model);
}