External table is not in the expected format. ASP.net C#

Global Declare This tow Variable ...
=========================================
  public static string path = @"C:\Users\asp\Desktop\ColoreCode.xlsx";
    public static string excelConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;";

====================================================
Click Event
========================================================

 protected void Button1_Click(object sender, EventArgs e)
    {
        //string CurrentFilePath = Path.GetFullPath(FileUpload1.PostedFile.FileName);
        //InsertExcelRecords(CurrentFilePath);  

        //connection();

        if (!FileUpload1.HasFile)
        {
            try
            {
                //string path = string.Concat(Server.MapPath("~/Image/ColoreCode.xlsx"));//+ FileUpload1.FileName));

                //FileUpload1.SaveAs(path);

                // Connection String to Excel Workbook

               // string excelConnectionString = string.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=Excel 8.0", path);
               // string excelconnectionstring = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";"+"Extended Properties="Excel 12.0;HDR=Yes";
              
                OleDbConnection connection = new OleDbConnection();

                connection.ConnectionString = excelConnectionString;

                OleDbCommand command = new OleDbCommand("select * from [Sheet5$]", connection);

                connection.Open();

                // Create DbDataReader to Data Worksheet

                DbDataReader dr = command.ExecuteReader();

                // SQL Server Connection String

                string sqlConnectionString = @"Data Source=ASP4;Initial Catalog=Cricketers;User ID=xxxxxxx;Password=xxxxxxxxxx";

                // Bulk Copy to SQL Server

                SqlBulkCopy bulkInsert = new SqlBulkCopy(sqlConnectionString);

                bulkInsert.DestinationTableName = "ColorMaster";

                bulkInsert.WriteToServer(dr);

                Label1.Text = "Ho Gaya";

            }

            catch (Exception ex)
            {

                Label1.Text = ex.Message;

            }

        }

    }