日期:2014-05-17  浏览次数:20789 次

不知道错在哪啦,请帮忙看看
如下代码:
using System;
using System.Data.OleDb;
namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            OleDbConnection myConn =
                new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source = c:\\MyExcel.csv;Extended Properties='text;HDR=YES;FMT=TabDelimited'");
            Console.WriteLine(myConn);
            myConn.Open();   
        }
    }
}
MyExcel.csv的位置截图

MyExcel.csv的内容截图

运行出错截图

未处理System.Data.OleDb.OleDbException
  _HResult=-2147467259
  _message='c:\MyExcel.csv'不是一个有效的路径。 确定路径名称拼写是否正确,以及是否连接到文件存放的服务器。
  HResult=-2147467259
  IsTransient=false
  Message='c:\MyExcel.csv'不是一个有效的路径。 确定路径名称拼写是否正确,以及是否连接到文件存放的服务器。
  Source=Microsoft JET Database Engine
  ErrorCode=-2147467259
  StackTrace:
       在 System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
       在 System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
       在 System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
       在 System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
       在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
       在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       在 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       在 System.Data.ProviderBase.DbConnect