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 407:
Line 408:
Line 409:        DataTable dtPosition = TypeUtils.InvokeDataTableMethod3("IBCOTECH.Layout" + "DEFAULT", "IBCOTECH.Layout" + "DEFAULT", Class, "getData");
Line 410:        DataTable dtTemp = new DataTable();
Line 411:        dtTemp.Columns.Add("Group", typeof(string));

Source File: c:\Source\vinagamma.com.vn\MasterPage.master.cs    Line: 409

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   TypeUtils.InvokeDataTableMethod3(String assemblyName, String namespaceName, String typeName, String methodName) +137
   MasterPage.Page_Init(Object sender, EventArgs e) in c:\Source\vinagamma.com.vn\MasterPage.master.cs:409
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnInit(EventArgs e) +95
   System.Web.UI.UserControl.OnInit(EventArgs e) +83
   System.Web.UI.Control.InitRecursive(Control namingContainer) +139
   System.Web.UI.Control.InitRecursive(Control namingContainer) +312
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +408


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4076.0