Server Error in '/' Application.

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: BC30002: Type 'DevExpress.Web.ASPxCallback.CallbackEventArgs' is not defined.

Source Error:


Line 51:         End Sub
Line 52: 
Line 53:         Protected Sub cbChangeNam_Callback(ByVal source As Object, ByVal e As DevExpress.Web.ASPxCallback.CallbackEventArgs) Handles cbChangeNam.Callback
Line 54:             Dim dsTuan, dsSoTuan As New DataSet
Line 55:             sotuan = lichCT.GET_TUAN(cmbNam.SelectedValue)

Source File: D:\webroot\vpdt\online\tuyenquang\snnptnt_v3\lichcongtac\xemlich.aspx.vb    Line: 53






Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2117.0