Excel 2003 读取时出错
1. 代码
A. 连接字符串
 private const string connectionStringFormatForRead2003 =
            "Provider=Microsoft.Ace.OleDb.12.0;Data Source={0};Extended Properties=\"Excel 8.0;HDR=NO;IMEX=1;\"";

  private const string connectionStringFormatForRead2007 =
            "Provider=Microsoft.Ace.OleDb.12.0;Data Source={0};Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1;\"";
B. OleDbConnection 代码
 public static OleDbConnection CreateConnection(string filePath)
        {
            Log.Logger.LogOperationStart("OleDbConnection CreateConnection(string filePath). Start....");
            ValidateExcelFile(filePath);
            try
            {
                connectionString = string.Format(connectionStringFormatForRead2003, filePath);
                Log.Logger.LogInformation(string.Format("Excel2003 Read OleDbConnection ConnectionString={0}",connectionString));
                conn = new OleDbConnection(connectionString);
                conn.Open();
                return conn;
            }
            catch (Exception ex)
            {
                Log.Logger.LogException(ex);
                try
                {
                    connectionString = string.Format(connectionStringFormatForRead2007, filePath);
                    Log.Logger.LogInformation(string.Format("Excel2007 Read OleDbConnection ConnectionString={0}", connectionString));
                    conn = new OleDbConnection(connectionString);
                    conn.Open();
                    return conn;
                }
                catch (Exception exp)