Fetch the data from Excel File at GridView

1.use this name space:-Imports System.Globalization
2.Add the Excel file in Solution Explorer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        fillgried()
    End Sub
    Function fillgrid()
        Dim strConn As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Server.MapPath("Customers1.xlsx") + ";Extended Properties='Excel 12.0 Xml;HDR=YES;'"
        Dim query As String = "SELECT * FROM [customers$]"
        Dim excelDataSet As DataSet = New DataSet()
        excelDataSet.Locale = CultureInfo.InvariantCulture
        Dim da As OleDbDataAdapter = New OleDbDataAdapter(query, strConn)
        da.Fill(excelDataSet)
        GridView1.DataSource = excelDataSet.Tables(0)
        GridView1.DataBind()
    End Function