Server Error in '/' Application.

Cannot perform runtime binding on a null reference

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: Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot perform runtime binding on a null reference

Source Error:


Line 186:    var jsonA = client.DownloadString("association/getbyurl/" + host.Trim() + "/");
Line 187:    var assoc = Json.Decode(jsonA);
Line 188:    AID = assoc.AID;
Line 189:    folder = assoc.Folder;
Line 190:    title = assoc.Title;

Source File: c:\Websites\msa\Public\category.cshtml    Line: 188

Stack Trace:


[RuntimeBinderException: Cannot perform runtime binding on a null reference]
   CallSite.Target(Closure , CallSite , Object ) +148
   System.Dynamic.UpdateDelegates.UpdateAndExecute1(CallSite site, T0 arg0) +244
   CallSite.Target(Closure , CallSite , Object ) +264
   ASP._Page_category_cshtml.Execute() in c:\Websites\msa\Public\category.cshtml:188
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +99
   System.Web.WebPages.WebPage.ExecutePageHierarchy() +185
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +142


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0