Error : The name 'spLibraryView' does not exist in the current context

The name 'spLibraryView' does not exist in the current context

Looking at this error , I think that I am missing some reference.

I have used the following , 

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WebControls;
using System.Data;
using Microsoft.SharePoint.Utilities;

It would be great help as someone can guide me to missing reference !