Exception in template (eCom/Productlist/DownloadsList.cshtml): System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.ebdddbcca.Execute()
   at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context)
   at RazorEngine.Templating.TemplateService.Run(ITemplate template, DynamicViewBag viewBag)
   at RazorEngine.Templating.TemplateService.Parse(String razorTemplate, Object model, DynamicViewBag viewBag, String cacheName)
   at RazorEngine.Razor.Parse[T](String razorTemplate, T model, String cacheName)
   at Dynamicweb.Rendering.Template.Output()
@inherits RazorTemplateBase<RazorTemplateModel<Template>>
@using System;
@using System.Linq;
@using System.Web;
@using Dynamicweb.Rendering;
@using ff.CustomModules;
@using ff.CustomModules.Classes;

@{
    var currentGroupId = GetString("Ecom:Group.ID");
    var imageBankGroupId = Pageview.Area.Item["ImageBankGroupId"].ToString();
    var twoDthreeDGroupId = Pageview.Area.Item["2D3DGroupId"].ToString();

    bool is2d3d = currentGroupId == twoDthreeDGroupId || currentGroupId.Contains("2d3d_");
    bool isImageBank = currentGroupId == imageBankGroupId || currentGroupId.Contains("imgbnk_");

    bool isAdmin = false;

    var user = Dynamicweb.Modules.UserManagement.User.GetCurrentBackendUser();
    if (user != null)
    {
        isAdmin = user.IsAdmin;
    }
}



@if (isImageBank)
{
    <script type="text/x-handlebars-template" id="imagebank-modal-template">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>

                </div>

                <div class="modal-body">
                    <img src="{{ImageUrl}}"
                         alt="{{ProductName}}" />
                    <h5>{{ProductName}}</h5>
                    {{#if ProductDescription}}
                    <p>{{ProductDescription}}</p>
                    {{/if}}
                </div>

                <div class="modal-footer">
                </div>
            </div>
        </div>
    </script>

    <script type="text/x-handlebars-template" id="imagebank-basket-modal-template">
        <div class="modal-dialog modal-selection">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
                </div>
                <div class="modal-body">
                    @{
                        string separator = HttpContext.Current.Request.Url.ToString().Contains('?') ? "&" : "?";
                        string url = HttpContext.Current.Request.Url + separator + "redirect=false";
                    }

                    <form name="multiForm" id="multiForm" method="post" action="@url">
                        <input type="hidden" name="CartCmd" id="CartCmd" value="addMulti" />
                        <input type="hidden" name="resolution" id="resolution" value="" />

                        <div class="download-choice high">
                            <a href="#" class="download-link" data-resolution="300">@Translate("ImageBankDownloadHighRes", "HIGH RESOLUTION")</a>
                        </div>
                        <div class="download-choice low">
                            <a href="#" class="download-link" data-resolution="150">@Translate("ImageBankDownloadLowRes", "LOW RESOLUTION")</a>
                        </div>

                        <div class="clear-selection">
                            <span id="delete-selection">@Translate("DeleteSelection", "Delete all your selected files")</span>
                        </div>

                        <div class="selection">
                            {{#each this}}
                            <div class="product">
                                <div class="productimgbox imgbnk-img">
                                    <img src="{{ImageUrl}}"
                                         alt="{{ProductName}}" />
                                </div>

                                <div class="product-name">
                                    <p>{{ProductName}}</p>
                                    <p class="desc">{{ProductDescription}}</p>
                                </div>

                                <input id="Quantity{{add @@index 1}}" type="hidden" value="1" name="Quantity{{add @@index 1}}" />
                                <input id="ProductLoopCounter{{add @@index 1}}" type="hidden" value="{{add @@index 1}}" name="ProductLoopCounter{{add @@index 1}}">
                                <input id="ProductID{{add @@index 1}}" type="hidden" value="{{ProductID}}" name="ProductID{{add @@index 1}}">
                            </div>
                            {{/each}}
                        </div>
                    </form>
                    @if (isAdmin)
                    {
                        <span id="productids" />
                    }
                </div>
                <div class="modal-footer">

                </div>
            </div>
        </div>
    </script>
}

@if (is2d3d)
{
    <script type="text/x-handlebars-template" id="2d3d-modal-template">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
                </div>

                <div class="modal-body">
                    <img src="{{ImageUrl}}"
                         alt="{{ProductName}}" />
                    <h5>{{ProductName}}</h5>
                    {{#if ProductDescription}}
                    <p>{{ProductDescription}}</p>
                    {{/if}}
                </div>

                <div class="modal-footer">
                    <div class="download-choice">
                        @*<a href="{{DownloadUrl}}" target="_blank">@Translate("2D3DDownload", "Download file")</a>*@
                    </div>
                </div>
            </div>
        </div>
    </script>

    <script type="text/x-handlebars-template" id="2d3d-basket-modal-template">
        <div class="modal-dialog modal-selection">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
                </div>
                <div class="modal-body">
                    @{
                        string separator = HttpContext.Current.Request.Url.ToString().Contains('?') ? "&" : "?";
                        string url = HttpContext.Current.Request.Url + separator + "redirect=false";
                    }

                    <form name="multiForm" id="multiForm" method="post" action="@url">
                        <input type="hidden" name="CartCmd" id="CartCmd" value="addMulti" />
                        <input type="hidden" name="resolution" id="resolution" value="" />

                        <div class="download-choice">
                            <a href="#" class="download-link" data-resolution="">@Translate("2D3DDownloadSelection", "Download your selection")</a>
                        </div>
                        <div class="clear-selection">
                            <span id="delete-selection">@Translate("DeleteSelection", "Delete your selection")</span>
                        </div>

                        <div class="selection">
                            {{#each this}}
                            <div class="product">
                                <div class="productimgbox 2d3d-img">
                                    <img src="{{ImageUrl}}"
                                         alt="{{ProductName}}" />
                                </div>

                                <div class="product-name">
                                    <p>{{ProductName}}</p>
                                    <p class="desc">@Translate("Architect File Package")</p>
                                </div>

                                <input id="Quantity{{add @@index 1}}" type="hidden" value="1" name="Quantity{{add @@index 1}}" />
                                <input id="ProductLoopCounter{{add @@index 1}}" type="hidden" value="{{add @@index 1}}" name="ProductLoopCounter{{add @@index 1}}">
                                <input id="ProductID{{add @@index 1}}" type="hidden" value="{{ProductID}}" name="ProductID{{add @@index 1}}">
                            </div>
                            {{/each}}
                        </div>
                    </form>
                </div>
                <div class="modal-footer"></div>
            </div>
        </div>
    </script>
}

@if (isImageBank || is2d3d)
{
    <div id="group-name" style="display:none">@GetString("Ecom:Group.Name")</div>
    <div class="basket">
        <div id="imagebank-download" style="display:none">
            <p class="message"></p>
        </div>
    </div>

    var collections = GetLoop("Products").GroupBy(x => x.GetString("Ecom:Product:Field.Collection"));
    string separator = HttpContext.Current.Request.Url.ToString().Contains('?') ? "&" : "?";
    string url = HttpContext.Current.Request.Url + separator + "redirect=false";
    string imgClass = is2d3d ? "2d3d-img" : "imgbnk-img";

    foreach (var collection in collections)
    {
        var designers = (from product in collection select product.GetString("Ecom:Product:Field.Designer"))
                        .Union(from product in collection select product.GetString("Ecom:Product:Field.SecondDesigner"))
                        .Where(x => !String.IsNullOrEmpty(x))
                        .Distinct()
                        .ToArray();

        <div class="collectioncontainer " id="[email protected](collection.Key.ToLower())">
            <div class="container1015">
                <h2 class="anchor">@(string.IsNullOrEmpty(collection.Key) ? "No collection name" : collection.Key)</h2>
                <div class="collection-by"><h5>@Translate("By", "By") @String.Join(" - ", designers)</h5></div>

                <div class="products">
                    @foreach (var item in collection.GroupBy(x => x.GetString("Ecom:Product:Field.OriginalProductName.Value")))
                    {
                        <div class="master-product">

                            <div class="master-product-title"><h3 class="product-anchor" id="[email protected](item.Key)">@item.Key</h3></div>

                            @if (is2d3d)
                            {
                                List<LoopItem> products = item.OrderBy(x => x.GetString("Ecom:Product.Name")).ToList();

                                foreach (var prods in products.Select(y => y.GetString("Ecom:Product:Field.ModelNumber.Value")).Distinct())
                                {
                                    Dynamicweb.eCommerce.Products.Product product = Dynamicweb.eCommerce.Products.Product.GetProductByNumber(prods);

                                    string data = string.Empty;

                                    data = "data-filetype=\"" + product.GetProductFieldValue("MediaType") + "\"";
                                    data += " data-file=\"" + product.GetProductFieldValue("File2D") + "\"";

                                    <div class="product download"
                                         data-image="@product.GetProductFieldValue("ListImage")"
                                         data-name="@HttpUtility.HtmlEncode(product.Name)"
                                         data-description="@HttpUtility.HtmlEncode(product.ShortDescription)"
                                         data-filters="@product.GetProductFieldValue("Filters")"
                                         @data>
                                        <div class="productimgbox @imgClass">
                                            <img alt="@product.Name"
                                                 class="b-lazy"
                                                 src="/Files/Images/placeholder-image.png"
                                                 data-src="@Pageview.Area.Item["PerfionApiUrl"]/Perfion/[email protected]("ListImage")&size=168x168&format=jpg&fit=fit" />
                                            <div class="name">@Translate("Preview", "Preview")</div>
                                        </div>

                                        <input class="chk-download-choice" type="checkbox" id="[email protected]" data-productid="@product.ID" />

                                        <div class="product-name">
                                            <p>@product.Name</p>
                                            <p class="desc">@Translate("Architect File Package")</p>
                                        </div>
                                    </div>
                                }
                            }
                            else
                            {
                                foreach (var product in item.OrderBy(x => x.GetString("Ecom:Product.Name")).OrderBy(x => x.GetString("Ecom:Product:Field.MediaType")))
                                {
                                    string data = string.Empty;

                                    <div class="product download"
                                         data-image="@product.GetString("Ecom:Product:Field.ListImage")"
                                         data-name="@HttpUtility.HtmlEncode(product.GetString("Ecom:Product.Name"))"
                                         data-description="@HttpUtility.HtmlEncode(product.GetString("Ecom:Product.ShortDescription"))"
                                         data-filters="@product.GetString("Ecom:Product:Field.Filters")"
                                         @data>
                                        <div class="productimgbox @imgClass">
                                            <img alt="@product.GetString("Ecom:Product.Name")"
                                                 class="b-lazy"
                                                 src="/Files/Images/placeholder-image.png"
                                                 data-src="@Pageview.Area.Item["PerfionApiUrl"]/Perfion/[email protected]("Ecom:Product:Field.ListImage")&size=168x168&format=png&fit=fit" />
                                            <div class="name">@Translate("Preview", "Preview")</div>
                                        </div>

                                        <input class="chk-download-choice" type="checkbox" id="[email protected]("Ecom:Product.ID")" data-productid="@product.GetString("Ecom:Product.ID")" />

                                        <div class="product-name">
                                            <p>@product.GetString("Ecom:Product.Name")</p>

                                            <p class="desc">
                                                @product.GetString("Ecom:Product.ShortDescription")
                                            </p>
                                        </div>
                                    </div>
                                }
                            }
                        </div>
                    }
                </div>
            </div>
        </div>
    }

    <div id="imagebank-modal" class="modal fade" tabindex="-1" role="dialog" aria-hidden="true"></div>
}
else
{
    <div class="download-container" id="download-container">
        <div class="container">
            <div class="products">
                @foreach (var product in GetLoop("Products"))
                {
                    string url = product.GetString("Ecom:Product:Field.CustomFile.Clean");

                    if (!string.IsNullOrWhiteSpace(product.GetString("Ecom:Product.MetaUrl")))
                    {
                        url = product.GetString("Ecom:Product.MetaUrl");
                    }

                    <div class="product">
                        <div class="productimgbox">
                            <a href="@url" target="_blank">
                                <img alt="@product.GetString("Ecom:Product.Name")"
                                     class="b-lazy"
                                     src="/Files/Images/placeholder-image.png"
                                     data-src="@product.GetString("Ecom:Product:Field.CustomThumbnail.Clean")" />
                            </a>
                        </div>
                        <div class="product-name"><p>@product.GetString("Ecom:Product.Name")</p></div>
                        <div class="product-filetype"><p>@product.GetString("Ecom:Product:Field.CustomFileType.Value.Clean") &nbsp;</p></div>
                    </div>
                }
            </div>
        </div>
    </div>
}

<script type="text/javascript">
    PerfionApiUrl = '@Pageview.Area.Item["PerfionApiUrl"]';
    GroupType = '@GetString("Ecom:Group:Field.GroupType")';
    DownloadsJsonUrl = '@Pageview.Area.Item["DownloadsJsonUrl"]';

    DownloadsListLabels = {
        ImageBankDownloadMessageSingular: '@HttpUtility.JavaScriptStringEncode(Translate("ImageBankDownloadMessageSingular", "Download selected image :"))',
        ImageBankDownloadMessagePlural: '@HttpUtility.JavaScriptStringEncode(Translate("ImageBankDownloadMessagePlural", "Download selected {0} images :"))',
        FileDownloadMessageSingular: '@HttpUtility.JavaScriptStringEncode(Translate("FileDownloadMessageSingular", "Download selected file"))',
        FileDownloadMessagePlural: '@HttpUtility.JavaScriptStringEncode(Translate("FileDownloadMessagePlural", "Download selected {0} files"))',
        ImageBank2DFileType: '@HttpUtility.JavaScriptStringEncode(Translate("FileType2D", "2D Drawing"))',
        ImageBank3DFileType: '@HttpUtility.JavaScriptStringEncode(Translate("FileType3D", "3D Drawing"))',
        DownloadInProgress: '@HttpUtility.JavaScriptStringEncode(Translate("DownloadInProgress", "Thank you!  We are building your file, your download will begin shortly"))',
        ConfirmDeleteSelection: '@HttpUtility.JavaScriptStringEncode(Translate("ConfirmDeleteSelection", "Do you really want to delete all your selections ?"))'
    };
</script>