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 65:             if (where != "")
Line 66:             {
Line 67:                 if (Request.QueryString["pname"].ToString() == "อาจารย์")
Line 68:                 {
Line 69:                     where += " and ([position_name] like 'อาจารย์%' or [position_name] like 'ครู%')";

Source File: d:\WWW\Eport\web\report_gerneraluser\จำนวนบุคลากรแยกตามตำแหน่งวิชาการ_name_list.aspx.cs    Line: 67

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   web_report_gerneral_name_person_sub.showgrid() in d:\WWW\Eport\web\report_gerneraluser\จำนวนบุคลากรแยกตามตำแหน่งวิชาการ_name_list.aspx.cs:67
   web_report_gerneral_name_person_sub.Page_Load(Object sender, EventArgs e) in d:\WWW\Eport\web\report_gerneraluser\จำนวนบุคลากรแยกตามตำแหน่งวิชาการ_name_list.aspx.cs:14
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


Version Information: Microsoft .NET Framework Version:2.0.50727.4214; ASP.NET Version:2.0.50727.4016