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 18:     <link href="/Content/example.css" rel="stylesheet" />
Line 19:      
Line 20: <meta property="og:title" content="<%=ps.Order.PropertyAddress%> - Virtual Tour"/> 
Line 21:  <%  if (Photos.Count > 0)
Line 22:      {

Source File: i:\Source\Projects\Websites\Realestate\RELEASE\Tour.aspx    Line: 20

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.tour_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in i:\Source\Projects\Websites\Realestate\RELEASE\Tour.aspx:20
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +116
   System.Web.UI.Page.Render(HtmlTextWriter writer) +38
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8752


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0