Problem with Paging in gridview

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.NET

Hi All,

I am making a gridview with paging technique.In my gridview I have 50 rows and have set the AllowPaging to true with PageSize of 10.I have also implemented the PageIndexChanging event.The problem is that my gridview shows 10 records but no page numbers are being seen.So Can you please suggest any thing to view the page numbers ???

This is my code:

dim gvApprovalList as GridView 
gvApprovalList = New GridView With
                                   {
                                       .ID = "gvApprovalList",
                                       .AllowPaging = True,
                                       .AllowSorting = True,
                                       .PageSize = 10,
                                       .AutoGenerateColumns = False,
                                       .Width = Unit.Percentage(100),
                                       .EmptyDataText = ""
                                   }

           gvApprovalList.HeaderStyle.HorizontalAlign = HorizontalAlign.Center
           AddHandler gvApprovalList.PageIndexChanging, AddressOf gvApprovalList_PageIndexChanging


And the Event:

Private Sub gvApprovalList_PageIndexChanging(ByVal sender As Object, ByVal e As GridViewPageEventArgs)
        gvApprovalList.PageIndex = e.NewPageIndex
        gvApprovalList.DataBind()
    End Sub