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POOrchard throws 'The model item passed into the dictionary is of type Part but this dictionary requires a model of type VM
 

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  1. POOrchard throws 'The model item passed into the dictionary is of type Part but this dictionary requires a model of type VM
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    <p>This is an editor for WebShop Global Settings. I needed to extend the editor with a ViewModel. It worked fine before I started but now crashes with the above error when it's invoked. What am I doing wrong?</p> <p>Here's the driver:</p> <pre><code>public class WebShopSettingsPartDriver : ContentPartDriver&lt;WebShopSettingsPart&gt; { private readonly ISiteService _siteService; private readonly IWebshopSettingsService _webshopSettings; protected override string Prefix { get { return "WebShopSettings"; } } private const string shapeName = "Parts_WebShopSettings_Edit"; private const string templateName = "Parts/WebShopSettings"; public WebShopSettingsPartDriver(IWebshopSettingsService webshopSettings, ISiteService siteService) { _webshopSettings = webshopSettings; _siteService = siteService; } protected override DriverResult Editor(WebShopSettingsPart part, dynamic shapeHelper) { var settings = _siteService.GetSiteSettings().As&lt;WebShopSettingsPart&gt;(); var model = new WebShopSettingsVM { WebShopSettings = settings, ShippingProducts = _webshopSettings.ShippingProductRecords() }; return ContentShape(shapeName, () =&gt; shapeHelper.EditorTemplate(TemplateName: templateName, Model: model, Prefix: Prefix)).OnGroup("WebShop"); } } </code></pre> <p>}</p> <p>Here is the Handler:</p> <pre><code> public class WebShopSettingsPartHandler : ContentHandler { public WebShopSettingsPartHandler(IRepository&lt;WebShopSettingsRecord&gt; repository) { T = NullLocalizer.Instance; Filters.Add(new ActivatingFilter&lt;WebShopSettingsPart&gt;("Site")); Filters.Add(StorageFilter.For(repository)); OnGetContentItemMetadata&lt;WebShopSettingsPart&gt;((context, part) =&gt; context.Metadata.EditorGroupInfo.Add(new GroupInfo("WebShop"))); } } </code></pre> <p>And here is the first line of the View (which is in Views\EditorTemplates\Parts\WebShopSettings.cshtml):</p> <pre><code>@model Cascade.WebShop.ViewModels.WebShopSettingsVM </code></pre> <p>The Placement.ini file has the following entry:</p> <pre><code>&lt;Place Parts_WebShopSettings_Edit="Content:0" /&gt; </code></pre> <p>Here is the ViewModel:</p> <pre><code>public class WebShopSettingsVM { public IEnumerable&lt;ShippingProductRecord&gt; ShippingProducts{ get; set; } [Required] public int? ShippingProductRecordId { get; set; } public WebShopSettingsPart WebShopSettings { get; set; } // Expose all the properties of the Part directly on the VM [Required] public string AdministratorEmailAddress { get { return WebShopSettings.AdministratorEmailAddress; } set { WebShopSettings.AdministratorEmailAddress = value; } } [Required] public string ContinueShoppingUrl { get { return WebShopSettings.ContinueShoppingUrl; } set { WebShopSettings.ContinueShoppingUrl = value; } } // and so on... } </code></pre> <p>After Bertrand's suggestion below I updated the View to:</p> <pre><code>@using Cascade.WebShop.ViewModels @using Cascade.WebShop.Models @{ var vm = Model.Model as WebShopSettingsVM; } &lt;fieldset&gt; &lt;legend&gt;@T("Webshop")&lt;/legend&gt; &lt;div&gt; &lt;label for="@Html.FieldIdFor(x=&gt;vm.AdministratorEmailAddress)"&gt;@T("Administrator email address")&lt;/label&gt; @Html.TextBoxFor(x=&gt;vm.AdministratorEmailAddress, new { @class = "textMedium" }) @Html.ValidationMessage("AdministratorEmailAddress", "*") ... </code></pre> <p>Insights and suggestions greatly appreciated -- I simply can't see what's wrong.</p>
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