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 36:         GalleryCat cat = new GalleryCatService().GetOne(catid);
Line 37: 
Line 38:         lblTitle.Text = cat.Title;
Line 39:         this.Title = Page.Title = "گالری تصاویر" + " - " + cat.Title;
Line 40:         List<GalleryPic> lstpics = new GalleryPicService().getAllPic(catid);

Source File: c:\inetpub\vhosts\farsfair.ir\httpdocs\galleryview.aspx.cs    Line: 38

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   galleries.bind() in c:\inetpub\vhosts\farsfair.ir\httpdocs\galleryview.aspx.cs:38
   galleries.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\farsfair.ir\httpdocs\galleryview.aspx.cs:18
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0