Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 123:        if (oCompanyQueryString.Length > 0)
Line 124:        {
Line 125:            oCompanyDisplayName = mList.FirstOrDefault(x => x.ManuId == Convert.ToInt32(oCompanyQueryString)).Manufacturer;
Line 126:            lblBreadCrumb.Text = oCompanyDisplayName;
Line 127:        }

Source File: c:\inetpub\wwwroot\gophotonics\content\filters\whitepapers.aspx.cs    Line: 125

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   content_filters_whitepapers.GetDetails() in c:\inetpub\wwwroot\gophotonics\content\filters\whitepapers.aspx.cs:125
   content_filters_whitepapers.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\gophotonics\content\filters\whitepapers.aspx.cs:48
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.0