Object reference not set to an instance of an object.
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:
catch (Exception ex)
Source File:
d:\wwwroot\net\cnwcjc\wwwroot\Course.aspx.cs && Line:
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
Course.InitPage(String pid, String tid) in d:\wwwroot\net\cnwcjc\wwwroot\Course.aspx.cs:73
Course.Page_Load(Object sender, EventArgs e) in d:\wwwroot\net\cnwcjc\wwwroot\Course.aspx.cs:21
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) +91
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1966
Version Information:&Microsoft .NET Framework Version:4.0.30128; ASP.NET Version:4.0.30128.1