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 340:                else 
Line 341:                {
Line 342:                    parent.InnerHtml += "<div class=\"col-xs-12 col-sm-6 col-md-3 col-lg-3  swatch \">" +
Line 343:                                           "<center> <a href=\"product-detail.aspx?nme=" + Request.QueryString["nme"].ToString() + "&fbid=" + node.FabCatId + "&colid=" + node.CollectionId + "&colorid=" + node.MyColorwayId + "\"> <img class=\"img-responsive\" src=\"" + str_image + ".jpg\" alt=\"\" onError=\"this.onerror=null;this.src='images/no_img.jpg';\"> </a> </center>" +  //
Line 344:                                           "<a href=\"product-detail.aspx?nme=" + Request.QueryString["nme"].ToString() + "&fbid=" + node.FabCatId + "&colid=" + node.CollectionId + "&colorid=" + node.MyColorwayId + "\">" +

Source File: c:\inetpub\wwwroot\northcott\product.aspx.cs    Line: 342

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   product.loadCollections() in c:\inetpub\wwwroot\northcott\product.aspx.cs:342
   product.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\northcott\product.aspx.cs:56
   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:4.8.4676.0