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 20:  //  var sqlst = "select * from product where proE= " + dbtAll.proE;
Line 21:    // var sqlst = "select * from product where proE like (N'%" + dbtAll.proE + "%') And not id=" + page;
Line 22:     var sqlst = "select * from product where proE like (N'" + dbtAll.proE + "') And not id=" + page;
Line 23:     var select = db.Query(sqlst);
Line 24:     Page.Title = dbtAll.title;

Source File: d:\vhosts\citygenn.com\httpdocs\product.cshtml    Line: 22

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) +245
   CallSite.Target(Closure , CallSite , Object ) +264
   ASP._Page_product_cshtml.Execute() in d:\vhosts\citygenn.com\httpdocs\product.cshtml:22
   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:4.8.4654.0