日期:2014-05-18  浏览次数:20872 次

连接dbf 提示不能打开文件.dbc
在C#代码中连接Weight.dbf时提示信息不能打开文件scale.dbc,是怎么原因?
我是单把那边的数据库文件Weight.dbf拷贝到本机上调试的
代码如下:
DataSet ReadSJSHQ()
  {
  //string strConn = @"Provider=vfpoledb;Data Source=D:\Pfrmis\Data\database;Collating Sequence=machine;";

  //using (OleDbConnection myConnection = new OleDbConnection(strConn))
  //{
  // myConnection.Open();
  // OleDbDataAdapter adpt = new OleDbDataAdapter("select * from Weight.dbf", myConnection);
  // DataSet mySet = new DataSet();
  // adpt.Fill(mySet);
  // myConnection.Close();
  // return mySet;
  //}

  System.Data.Odbc.OdbcConnection conn = new System.Data.Odbc.OdbcConnection();
  string tb = @"D:\Pfrmis\Data\database\Weight.dbf";
  //string connStr = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=" + tb + ";Exclusive=No;NULL=NO;Collate=Machine;BACKGROUNDFETCH=NO;DELETED=NO";
  string connStr = @"Dsn=Visual FoxPro Tables;sourcedb=D:\Pfrmis\Data\database;sourcetype=DBF;exclusive=No;backgroundfetch=Yes;collate=Machine";
  //string connStr = @"Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=D:\Pfrmis\Data\database;Exclusive=No;BackgroundFetch=No;"; 
  conn.ConnectionString = connStr;
  conn.Open();
  string sql = "select * from " + tb;
  OdbcDataAdapter da = new OdbcDataAdapter(sql, conn);
  DataSet ds = new DataSet();
  da.Fill(ds);
  conn.Close();
  return ds;
  }

------解决方案--------------------
说明该dbf文件是该dbc数据库的一部分,属于visual foxpro,不能直接打开,必须打开dbc文件,然后访问该表