Server Error in '/' Application.

Value cannot be null.
Parameter name: value

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: value

Source Error:


Line 33:                                             {
Line 34: 
Line 35:                             <li class="@if (row.NavURL.Contains(Page.PageURL)){<text>current </text>}dropdown">
Line 36:                                 <a  href="#" @if (row.target != "") { <text> target="@row.target" </text>       }>@row.NavItem</a>
Line 37:                                 <ul>

Source File: e:\web\adkinvas\Shared\eronment\_mainnav.cshtml    Line: 35

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: value]
   System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType) +13017867
   CallSite.Target(Closure , CallSite , Object , Object ) +99
   System.Dynamic.UpdateDelegates.UpdateAndExecute2(CallSite site, T0 arg0, T1 arg1) +260
   CallSite.Target(Closure , CallSite , Object , Object ) +238
   ASP.<>c__DisplayClassa9.<Execute>b__9f(TextWriter __razor_attribute_value_writer) in e:\web\adkinvas\Shared\eronment\_mainnav.cshtml:35
   System.Web.WebPages.HelperResult.ToString() +66
   System.Web.WebPages.WebPageExecutingBase.WriteAttributeTo(String pageVirtualPath, TextWriter writer, String name, PositionTagged`1 prefix, PositionTagged`1 suffix, AttributeValue[] values) +355
   System.Web.WebPages.WebPageExecutingBase.WriteAttributeTo(TextWriter writer, String name, PositionTagged`1 prefix, PositionTagged`1 suffix, AttributeValue[] values) +42
   System.Web.WebPages.WebPageExecutingBase.WriteAttribute(String name, PositionTagged`1 prefix, PositionTagged`1 suffix, AttributeValue[] values) +40
   ASP._Page_Shared_eronment__mainnav_cshtml.Execute() in e:\web\adkinvas\Shared\eronment\_mainnav.cshtml:33
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
   System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
   System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +90
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +231
   System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +10
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +80
   CallSite.Target(Closure , CallSite , _Page_Templates_eronment__mediatemplate_cshtml , Object ) +100
   ASP._Page_Templates_eronment__mediatemplate_cshtml.Execute() in e:\web\adkinvas\Templates\eronment\_mediatemplate.cshtml:75
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
   System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
   System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +90
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +231
   System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +10
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +80
   System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +64
   System.Web.WebPages.WebPageBase.PopContext() +263
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +98
   System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +116


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0