Error executing template "Designs/Swift/ecom/productcatalog/partials/list-item.cshtml"System.InvalidOperationException: Sequence contains no elementsat System.Linq.Enumerable.First[TSource](IEnumerable`1 source)at CompiledRazorTemplates.Dynamic.RazorEngine_8cb472b9b81c482086a61e11d8954f87.Execute() in D:\Dynamicweb.NET\Solutions\Sika\Files\Templates\Designs\Swift\ecom\productcatalog\partials\list-item.cshtml:line 82at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)at Dynamicweb.Rendering.Template.RenderRazorTemplate()
  1     @inherits ViewModelTemplate<ProductViewModel>  2     @using System.Collections.Generic  3     @using System.Linq  4     @using System.Text  5     @using Custom.Extensions  6     @using Dynamicweb.Core  7     @using Dynamicweb.Rendering  8     @using Dynamicweb.Ecommerce.ProductCatalog  9     @using Dynamicweb.Frontend 10     @using Dynamicweb.Frontend.Navigation 11     @using ProductViewModel = Custom.Models.Ecommerce.ProductViewModel 12 13 14     @{ 15     	int shopPageId = GetPageIdByNavigationTag("Shop"); 16     	string productLink = Model.GetProductLink(shopPageId, true); 17 18         var parms = new Dictionary<string, object>(); 19         string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", ""); 20         bool anonymousUser = Pageview.User == null; 21         bool hideCart = anonymousUser && anonymousUsersLimitations == "cart"; 22         bool hideCartAndPrice = anonymousUser && anonymousUsersLimitations == "cart-price"; 23 24 25         string clickProductLink = $"return clickProductLink('{Model.Id}, {Model.Name}, {Model.VariantName}, {Model.Price.CurrencyCode}, {PriceViewModelExtensions.ToStringInvariant(Model.Price)}, {Model.PrimaryOrDefaultGroup?.Id}, {Model.PrimaryOrDefaultGroup?.Name}')"; 26         //string clickProductLink = "onclick=\"return clickProductLink('" + Model.Id + "', '" + Model.Name + "', '" + Model.VariantName + "', '" + Model.Price.CurrencyCode + "', '" + PriceViewModelExtensions.ToStringInvariant(Model.Price) + "')\""; 27     	string itemClassList = "card rounded-4 h-100 border-0 pt-2 px-4"; 28     	string imageClassList = "card-img-top ratio ratio-1x1 mb-0 order-3"; 29     	string contentClassList = "card-body mb-0 px-0 order-1"; 30     	string actionClassList = "card-footer px-0 order-2"; 31     	if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout) 32     	{ 33     		itemClassList = "w-100 px-3 rounded-4 py-2 position-relative"; 34     		imageClassList = "col-2 d-flex align-items-center order-1"; 35     		contentClassList = "col-5 py-2 text-wrap order-2"; 36     		actionClassList = "col-5 py-2 text-wrap order-3"; 37 38     		parms.Add("cssClass", "w-100 object-fit-cover"); 39     	} 40     	else 41     	{ 42     		parms.Add("cssClass", "w-100 h-100 object-fit-cover"); 43     	} 44 45 46     	List<VariantOptionViewModel> colorOptions = Model.VariantGroups().FirstOrDefault(g => g.Id == "VG1615")?.Options; 47     	List<VariantOptionViewModel> sizeOptions = new List<VariantOptionViewModel>((IEnumerable<VariantOptionViewModel>)Model.VariantGroups().FirstOrDefault(g => g.Id != "VG1615")?.Options.OrderBy(o => int.TryParse(o.Name, out int size)) ?? new List<VariantOptionViewModel>()); 48     } 49     <div class="@itemClassList custom-product-list-item js-product [email protected]" data-product-id="@Model.Id" data-variant-id="@Model.VariantId" itemscope itemtype="https://schema.org/Product"> 50     	<a href="@productLink" class="stretched-link"></a> 51     	@if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout) 52     	{ 53     		@:<div class="row"> 54     	} 55 56 57     	<figure class="@imageClassList"> 58     		<a onmouseover="swift.Image.swapImage(event)" onmouseout="swift.Image.swapImage(event)" href="@productLink" onclick="@clickProductLink"> 59     			@RenderPartial("_partials/image.cshtml", Model.DefaultImage.GetFileViewModel() ?? new Dynamicweb.Frontend.FileViewModel(), parms) 60     		</a> 61     	</figure> 62 63     	<div class="@contentClassList"> 64         		<p class="fw-bold mb-1">@Model.Number</p> 65     		    <div class="d-flex justify-content-between"> 66     			    <p class="card-text text-truncate mb-1 w-50">@Model.Name</p> 67 68     			    @if (colorOptions != null) 69     			    { 70     				    <ul class="color-list-group"> 71     					    @foreach (VariantOptionViewModel color in colorOptions) 72     					    { 73     						    <li style="background-color: black;" title="@color.Name"><span class="visually-hidden">@color.Name</span></li> 74     					    } 75     				    </ul> 76     			    } 77     		    </div> 78     		    <p class="small text-muted"> 79     			    @Translate("Productlist - Sizes - Text", "Str.:")&nbsp; 80     			    @if (string.IsNullOrEmpty(Model.VariantId) || Model.VariantId == Model.DefaultVariantId) 81                     { 82     	                <span>@sizeOptions.First().Name - @sizeOptions.Last().Name</span> 83                     } 84                     else 85                     { 86     	                VariantOptionViewModel sizeVariantOption = sizeOptions.FirstOrDefault(so => Model.VariantId.Contains(so.Id)) ; 87     	                if (sizeVariantOption != null) 88     	                { 89     		                <span>@sizeVariantOption.Name</span> 90     	                } 91 92                     } 93     		    </p> 94 95 96 97         	</div> 98 99100     	<div class="@actionClassList">101     		@if (!anonymousUser){102     			@Model.RenderedHtml.Stock103     		}104     		<div class="row align-items-center justify-content-end mb-1">105     			<span class="fs-6">106     				@if (anonymousUser)107     				{108     					<span class="text-muted fs-8">@Translate("RRP")</span>109     				}110     				@Model.RenderedHtml.Price111     			</span>112     		</div>113     	</div>114115     	@if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout)116         {117         	@:</div>118         }119     </div>120121     <script>122     function clickProductLink(productId, productName, productVariant, productCurrency, productPrice, groupId, groupName) {123     	if (typeof gtag !== "undefined") {124     		gtag("event", "select_item", {125     			item_list_id: groupId ? groupId : "product_list_item_repeater",126     			item_list_name: groupName ? groupName : "Product list (Item Repeater)",127     			items: [128     				{129     					item_id: productId,130     					item_name: productName,131     					currency: productCurrency,132     					item_list_id: groupId ? groupId : "product_list_item_repeater",133     					item_list_name: groupName ? groupName : "Product list (Item Repeater)",134     					item_variant: productVariant,135     					price: productPrice136     				}137     			]138     		});139     	}140     }141     </script>142

Error executing template "Designs/Swift/ecom/productcatalog/partials/list-item.cshtml"System.InvalidOperationException: Sequence contains no elementsat System.Linq.Enumerable.First[TSource](IEnumerable`1 source)at CompiledRazorTemplates.Dynamic.RazorEngine_8cb472b9b81c482086a61e11d8954f87.Execute() in D:\Dynamicweb.NET\Solutions\Sika\Files\Templates\Designs\Swift\ecom\productcatalog\partials\list-item.cshtml:line 82at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)at Dynamicweb.Rendering.Template.RenderRazorTemplate()
  1     @inherits ViewModelTemplate<ProductViewModel>  2     @using System.Collections.Generic  3     @using System.Linq  4     @using System.Text  5     @using Custom.Extensions  6     @using Dynamicweb.Core  7     @using Dynamicweb.Rendering  8     @using Dynamicweb.Ecommerce.ProductCatalog  9     @using Dynamicweb.Frontend 10     @using Dynamicweb.Frontend.Navigation 11     @using ProductViewModel = Custom.Models.Ecommerce.ProductViewModel 12 13 14     @{ 15     	int shopPageId = GetPageIdByNavigationTag("Shop"); 16     	string productLink = Model.GetProductLink(shopPageId, true); 17 18         var parms = new Dictionary<string, object>(); 19         string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", ""); 20         bool anonymousUser = Pageview.User == null; 21         bool hideCart = anonymousUser && anonymousUsersLimitations == "cart"; 22         bool hideCartAndPrice = anonymousUser && anonymousUsersLimitations == "cart-price"; 23 24 25         string clickProductLink = $"return clickProductLink('{Model.Id}, {Model.Name}, {Model.VariantName}, {Model.Price.CurrencyCode}, {PriceViewModelExtensions.ToStringInvariant(Model.Price)}, {Model.PrimaryOrDefaultGroup?.Id}, {Model.PrimaryOrDefaultGroup?.Name}')"; 26         //string clickProductLink = "onclick=\"return clickProductLink('" + Model.Id + "', '" + Model.Name + "', '" + Model.VariantName + "', '" + Model.Price.CurrencyCode + "', '" + PriceViewModelExtensions.ToStringInvariant(Model.Price) + "')\""; 27     	string itemClassList = "card rounded-4 h-100 border-0 pt-2 px-4"; 28     	string imageClassList = "card-img-top ratio ratio-1x1 mb-0 order-3"; 29     	string contentClassList = "card-body mb-0 px-0 order-1"; 30     	string actionClassList = "card-footer px-0 order-2"; 31     	if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout) 32     	{ 33     		itemClassList = "w-100 px-3 rounded-4 py-2 position-relative"; 34     		imageClassList = "col-2 d-flex align-items-center order-1"; 35     		contentClassList = "col-5 py-2 text-wrap order-2"; 36     		actionClassList = "col-5 py-2 text-wrap order-3"; 37 38     		parms.Add("cssClass", "w-100 object-fit-cover"); 39     	} 40     	else 41     	{ 42     		parms.Add("cssClass", "w-100 h-100 object-fit-cover"); 43     	} 44 45 46     	List<VariantOptionViewModel> colorOptions = Model.VariantGroups().FirstOrDefault(g => g.Id == "VG1615")?.Options; 47     	List<VariantOptionViewModel> sizeOptions = new List<VariantOptionViewModel>((IEnumerable<VariantOptionViewModel>)Model.VariantGroups().FirstOrDefault(g => g.Id != "VG1615")?.Options.OrderBy(o => int.TryParse(o.Name, out int size)) ?? new List<VariantOptionViewModel>()); 48     } 49     <div class="@itemClassList custom-product-list-item js-product [email protected]" data-product-id="@Model.Id" data-variant-id="@Model.VariantId" itemscope itemtype="https://schema.org/Product"> 50     	<a href="@productLink" class="stretched-link"></a> 51     	@if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout) 52     	{ 53     		@:<div class="row"> 54     	} 55 56 57     	<figure class="@imageClassList"> 58     		<a onmouseover="swift.Image.swapImage(event)" onmouseout="swift.Image.swapImage(event)" href="@productLink" onclick="@clickProductLink"> 59     			@RenderPartial("_partials/image.cshtml", Model.DefaultImage.GetFileViewModel() ?? new Dynamicweb.Frontend.FileViewModel(), parms) 60     		</a> 61     	</figure> 62 63     	<div class="@contentClassList"> 64         		<p class="fw-bold mb-1">@Model.Number</p> 65     		    <div class="d-flex justify-content-between"> 66     			    <p class="card-text text-truncate mb-1 w-50">@Model.Name</p> 67 68     			    @if (colorOptions != null) 69     			    { 70     				    <ul class="color-list-group"> 71     					    @foreach (VariantOptionViewModel color in colorOptions) 72     					    { 73     						    <li style="background-color: black;" title="@color.Name"><span class="visually-hidden">@color.Name</span></li> 74     					    } 75     				    </ul> 76     			    } 77     		    </div> 78     		    <p class="small text-muted"> 79     			    @Translate("Productlist - Sizes - Text", "Str.:")&nbsp; 80     			    @if (string.IsNullOrEmpty(Model.VariantId) || Model.VariantId == Model.DefaultVariantId) 81                     { 82     	                <span>@sizeOptions.First().Name - @sizeOptions.Last().Name</span> 83                     } 84                     else 85                     { 86     	                VariantOptionViewModel sizeVariantOption = sizeOptions.FirstOrDefault(so => Model.VariantId.Contains(so.Id)) ; 87     	                if (sizeVariantOption != null) 88     	                { 89     		                <span>@sizeVariantOption.Name</span> 90     	                } 91 92                     } 93     		    </p> 94 95 96 97         	</div> 98 99100     	<div class="@actionClassList">101     		@if (!anonymousUser){102     			@Model.RenderedHtml.Stock103     		}104     		<div class="row align-items-center justify-content-end mb-1">105     			<span class="fs-6">106     				@if (anonymousUser)107     				{108     					<span class="text-muted fs-8">@Translate("RRP")</span>109     				}110     				@Model.RenderedHtml.Price111     			</span>112     		</div>113     	</div>114115     	@if (Model.Layout == Custom.Constants.ProductListViewModes.ListLayout)116         {117         	@:</div>118         }119     </div>120121     <script>122     function clickProductLink(productId, productName, productVariant, productCurrency, productPrice, groupId, groupName) {123     	if (typeof gtag !== "undefined") {124     		gtag("event", "select_item", {125     			item_list_id: groupId ? groupId : "product_list_item_repeater",126     			item_list_name: groupName ? groupName : "Product list (Item Repeater)",127     			items: [128     				{129     					item_id: productId,130     					item_name: productName,131     					currency: productCurrency,132     					item_list_id: groupId ? groupId : "product_list_item_repeater",133     					item_list_name: groupName ? groupName : "Product list (Item Repeater)",134     					item_variant: productVariant,135     					price: productPrice136     				}137     			]138     		});139     	}140     }141     </script>142