[NullReferenceException: Object reference not set to an instance of an object.]
EWorks.BlockedSchedule.Page_Load(Object sender, EventArgs e) in C:\April-1-2017\EWorks\book\BlockedSchedule.aspx.vb:744
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.<LoadRecursiveAsync>d__246.MoveNext() +229
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
System.Web.Util.WithinCancellableCallbackTaskAwaiter.GetResult() +32
System.Web.UI.<ProcessRequestMainAsync>d__523.MoveNext() +4853
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