I have a problem with Beginning ASP.NET E-Commerce With Visual Basic.NET and Visual Studio.Net
erro message : System.NullReferenceException: Object reference not set to an instance of an object
source error:


ÐÐ 54£º
ÐÐ 55£º ' Supply the data grid with the list of departments
ÐÐ 56£º categoriesGrid.DataSource = catalog.GetCategoriesWithDescriptions(departmentId )
ÐÐ 57£º
ÐÐ 58£º ' The DataKey of each row is the category ID.


source code : C:\BegECom\WroxJokeShop\UserControls\CatagoriesAdm in.ascx.vb line: 56

stake detective:


[NullReferenceException: Object reference not set to an instance of an object.]
   WroxJokeShop.CategoriesAdmin.BindCategories() in C:\BegECom\WroxJokeShop\UserControls\CatagoriesAdm in.ascx.vb:56
   WroxJokeShop.CategoriesAdmin.Page_Load(Object sender, EventArgs e) in C:\BegECom\WroxJokeShop\UserControls\CatagoriesAdm in.ascx.vb:31
   System.Web.UI.Control.OnLoad(EventArgs e)
   System.Web.UI.Control.LoadRecursive()
   System.Web.UI.Control.LoadRecursive()
   System.Web.UI.Control.LoadRecursive()
   System.Web.UI.Control.LoadRecursive()
   System.Web.UI.Page.ProcessRequestMain()

please send the code so that i can fix

Thanks
Nash

 How can I send code to you, nashnash?