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 9:      protected void Page_Load(object sender, EventArgs e)
Line 10:     {
Line 11:         if (Request.QueryString["DepID"].ToString().Length <= 8 && Request.QueryString["StaffID"].ToString().Length <= 8)
Line 12:         {
Line 13:             if (!IsPostBack)

Source File: d:\Interface\Elbehery\FacultyTemplate\StaffDataForSearch.aspx.cs    Line: 11

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   StaffDataForSearch.Page_Load(Object sender, EventArgs e) in d:\Interface\Elbehery\FacultyTemplate\StaffDataForSearch.aspx.cs:11
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1606


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4075.0