How to import Excel File in Database through asp.net

I have a class in inherit database class into that. Like this

Conection String to Database. 

Public Class clsmemberContribution : Inherits cls_Database  

Public Function InsertExcelDataIntoDB() As Boolean

        Dim sSQL As String
        Dim rtn As Boolean

        Dim rs As SqlDataReader = Nothing

        Try
            InsertExcelDataIntoDB = True

            sSQL = "write store procedure or sql here"
            
            '        'execute the sql statement an process the results
            rtn = GetData(rs, sSQL)

            If rtn Then
                If rs.Read() Then
                    memberFeeID = gFixADONull(rs(0).GetType(), rs(0) & "")
                End If
            Else
                ErrMessage = ErrMessage
                rtn = False
            End If
            Return rtn
        Catch e As Exception
            ErrMessage = e.Message
            Return False
        Finally
            If Not rs Is Nothing Then
                rs.Close()
            End If
            CloseDatabase()
        End Try
    End Function
End Class

 HTML

<asp:FileUpload ID="FileUploadExcel" runat="server" />
<asp:Button ID="btnImport" runat="server" Text="Upload" OnClick="btnImport_click" />

Code

    Protected Sub btnImport_click(ByVal sender As Object, ByVal e As System.EventArgs)
        If FileUploadExcel.HasFile = False Then
            lblMessage.Text = "<div Class="" alert alert-Error"">There Is no file For upload.</div>"
            Exit Sub
        ElseIf FileUploadExcel.HasFile = True Then
            Dim FileExtention As String = System.IO.Path.GetExtension(FileUploadExcel.FileName)

            If FileExtention = ".xlsx" Or FileExtention = ".xls" Then
                ' Response.Write("It's a PDF File.")
                lblMessage.Text = "Ok"
                Exit Sub
            Else
                'Response.Write("It's NOT PDF File.")
                lblMessage.Text = "Incorrect"
                Exit Sub
            End If
        End If
    End Sub

Excel File has two Column

ID     Name

1      aaa

2      cccc

3      xxxxx 

I need to import excel file into database please guide