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 5:      Public Sub SetSelected(ID As String)
Line 6:          Dim _hyperlink As HyperLink = DirectCast(FindControl(ID), HyperLink)
Line 7:          _hyperlink.CssClass = "selected"
Line 8:      End Sub
Line 9:  

Source File: C:\Web\PureCleaningGroup\www.purecleaninggroupltd.co.uk\base\template\MasterPage.master.vb    Line: 7

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   base_template_MasterPage.SetSelected(String ID) in C:\Web\PureCleaningGroup\www.purecleaninggroupltd.co.uk\base\template\MasterPage.master.vb:7
   latest_work_Default.Page_Load(Object sender, EventArgs e) in C:\Web\PureCleaningGroup\www.purecleaninggroupltd.co.uk\latest-work\Default.aspx.vb:17
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784


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