code snippets for "Prefixing Input Elements Of Partial Views With ASP.NET MVC" post

s1.cs

public class NameModel
{
    [Display(Name = "First name")]
    [Required]
    public string FirstName { get; set; }
 
    [Display(Name = "Last name")]
    [Required]
    public string LastName { get; set; }
}
 
public class AddressModel
{
    [Required]
    public string Street { get; set; }
 
    [Required]
    public int Number { get; set; }
 
    [Display(Name = "Zip code")]
    [Required]
    public int ZipCode { get; set; }
 
    [Required]
    public string City { get; set; }
}
 
public class PersonModel
{
    public PersonModel()
    {
        Name = new NameModel();
        Address = new AddressModel();
    }
 
    public NameModel Name { get; private set; }
 
    public AddressModel Address { get; private set; }
 
    [Required]
    [MustBeValidEmailAddress(ErrorMessage = "Not a valid email")]
    public string Email { get; set; }
}

s10.cs

public static MvcHtmlString EditorForNameModel<TModel>(
    this HtmlHelper<TModel> helper, Expression<Func<TModel, NameModel>> getter)
{
    return GetPartial(helper, "NamePartial", getter);
}
 
public static MvcHtmlString EditorForAddressModel<TModel>(
    this HtmlHelper<TModel> helper, Expression<Func<TModel, AddressModel>> getter)
{
    return GetPartial(helper, "AddressPartial", getter);
}

s2.html

@using (Html.BeginForm("MyPostAction", "MyController", FormMethod.Post))
{
    @Html.ValidationSummary(true)
 
    <p>
        @Html.LabelFor(model => model.Name.FirstName)<br />
        @Html.TextBoxFor(model => model.Name.FirstName)
        @Html.ValidationMessageFor(model => model.Name.FirstName)
    </p>
 
    <p>
        @Html.LabelFor(model => model.Name.LastName)<br />
        @Html.TextBoxFor(model => model.Name.LastName)
        @Html.ValidationMessageFor(model => model.Name.LastName)
    </p>
         
    <p>
        @Html.LabelFor(model => model.Address.Street)<br />
        @Html.TextBoxFor(model => model.Address.Street)
        @Html.ValidationMessageFor(model => model.Address.Street)
    </p>
 
    <p>
        @Html.LabelFor(model => model.Address.Number)<br />
        @Html.TextBoxFor(model => model.Address.Number)
        @Html.ValidationMessageFor(model => model.Address.Number)
    </p>
     
    <p>
        @Html.LabelFor(model => model.Address.City)<br />
        @Html.TextBoxFor(model => model.Address.City)
        @Html.ValidationMessageFor(model => model.Address.City)
    </p>
 
    <p>
        @Html.LabelFor(model => model.Address.ZipCode)<br />
        @Html.TextBoxFor(model => model.Address.ZipCode)
        @Html.ValidationMessageFor(model => model.Address.ZipCode)
    </p>
                            
    <p>
        @Html.LabelFor(model => model.Email)<br />
        @Html.TextBoxFor(model => model.Email)
        @Html.ValidationMessageFor(model => model.Email)
    </p>
         
    <input type="submit" value="Confirm" />
}

s3.html

<p>
    <label for="Name_FirstName">First name</label><br />
    <input data-val="true" data-val-required="The First name field is required." id="Name_FirstName" name="Name.FirstName" type="text" value="" />
    <span class="field-validation-valid" data-valmsg-for="Name.FirstName" data-valmsg-replace="true"></span>
</p>
<p>
    <label for="Name_LastName">Last name</label><br />
        <input data-val="true" data-val-required="The Last name field is required." id="Name_LastName" name="Name.LastName" type="text" value="" />
        <span class="field-validation-valid" data-valmsg-for="Name.LastName" data-valmsg-replace="true"></span>
</p>
<p>
        <label for="Address_Street">Street</label><br />
        <input data-val="true" data-val-required="The Street field is required." id="Address_Street" name="Address.Street" type="text" value="" />
        <span class="field-validation-valid" data-valmsg-for="Address.Street" data-valmsg-replace="true"></span>
</p>

s4.html

@model CarShop.Web.Models.NameModel
 
    <p>
        @Html.LabelFor(model => model.FirstName)<br />
        @Html.TextBoxFor(model => model.FirstName)
        @Html.ValidationMessageFor(model => model.FirstName)
    </p>
 
    <p>
        @Html.LabelFor(model => model.LastName)<br />
        @Html.TextBoxFor(model => model.LastName)
        @Html.ValidationMessageFor(model => model.LastName)
    </p>

s5.html

@model CarShop.Web.Models.AddressModel
 
    <p>
        @Html.LabelFor(model => model.Street)<br />
        @Html.TextBoxFor(model => model.Street)
        @Html.ValidationMessageFor(model => model.Street)
    </p>
 
    <p>
        @Html.LabelFor(model => model.Number)<br />
        @Html.TextBoxFor(model => model.Number)
        @Html.ValidationMessageFor(model => model.Number)
    </p>
 
    <p>
        @Html.LabelFor(model => model.ZipCode)<br />
        @Html.TextBoxFor(model => model.ZipCode)
        @Html.ValidationMessageFor(model => model.ZipCode)
    </p>
     
    <p>
        @Html.LabelFor(model => model.City)<br />
        @Html.TextBoxFor(model => model.City)
        @Html.ValidationMessageFor(model => model.City)
    </p>

s6.html

@using (Html.BeginForm("MyPostAction", "MyController", FormMethod.Post))
{
    @Html.ValidationSummary(true)
 
    @Html.Partial("NamePartial", Model.Name)
     
    @Html.Partial("AddressPartial", Model.Address)   
                      
    <p>
        @Html.LabelFor(model => model.Email)<br />
        @Html.TextBoxFor(model => model.Email)
        @Html.ValidationMessageFor(model => model.Email)
    </p>
         
    <input type="submit" value="Confirm" />
}

s7.html

@Html.Partial("NamePartial", Model.Name, new ViewDataDictionary
{
    TemplateInfo = new System.Web.Mvc.TemplateInfo { HtmlFieldPrefix = "Name" }
})
 
@Html.Partial("AddressPartial", Model.Address, new ViewDataDictionary
{
    TemplateInfo = new System.Web.Mvc.TemplateInfo { HtmlFieldPrefix = "Address" }
})   

s8.html

@Html.EditorForNameModel(model => model.Name);
                                              
@Html.EditorForAddressModel(model => model.Address);

s9.cs

private static MvcHtmlString GetPartial<TRootModel, TModelForPartial>(
    HtmlHelper<TRootModel> helper, string partialName, Expression<Func<TRootModel, TModelForPartial>> getter)
{
    var prefix = ExpressionHelper.GetExpressionText(getter);
 
    return helper.Partial(partialName, getter.Compile().Invoke(helper.ViewData.Model),
        new ViewDataDictionary { TemplateInfo = new TemplateInfo { HtmlFieldPrefix = prefix } });
}