Asp.net C# 遍历Excel中的表格名称

    string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + filePath + ";" + "Extended Properties=\"Excel 8.0\"";
    //string strConn_ACE = "Provider=Microsoft.ACE.OLEDB.12.0;data source=" + filePath + ";Extended Properties=‘Excel 12.0;HDR=NO;IMEX=1‘";
    //new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("DataBase/hooyesDatabase.mdb"));

    OleDbConnection conn = new OleDbConnection(strConn);
    conn.Open();

    DataSet ds = new DataSet();
    OleDbDataAdapter da = null;
    DataTable dtSheetName = null;

    string SheetName = "";
    dtSheetName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });

    for (int i = 0; i < dtSheetName.Rows.Count; i++)
    {
        SheetName = (string)dtSheetName.Rows[i]["TABLE_NAME"];

        if (SheetName.Contains("$") && !SheetName.Replace("‘", "").EndsWith("$"))
        {
            continue;
        }
        if (SheetName == "已售号码$")
        {
            break;
        }
                
    }