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 65: 			HtmlMeta metaTag1 = new HtmlMeta();
Line 66: 			metaTag1.Attributes.Add("property", "og:image");
Line 67: 			metaTag1.Content = domain + productBO.Picture;
Line 68: 			this.Header.Controls.Add(metaTag1);
Line 69: 			HtmlMeta metaTag2 = new HtmlMeta();

Source File: c:\inetpub\vhosts\vietbis.vn\httpdocs\Default.aspx    Line: 67

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.default_aspx.OnPreLoad(EventArgs e) in c:\inetpub\vhosts\vietbis.vn\httpdocs\Default.aspx:67
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +605


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0