数据库问题~~~~~~

Question

public DB() {
            strCon = @"Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = f:\tool\package\anforma_AU\pack_tool_zerogra_1.00_自动版\pack_tool\bin\Debug\config\database\database\AU_DB.mdb";
        }        public void getDB() {
            try {
                if (sqlCon==null)
                    sqlCon = new OleDbConnection(strCon);
                if (sqlCon.State != ConnectionState.Open)
                    sqlCon.Open();                      /////////打开这个始终出错
                ds = new DataSet();
                string strCom = "select * from auTable";
                sqlDA = new OleDbDataAdapter(strCom, sqlCon);
                sqlDA.Fill(ds, "auTable");                sqlCon.Close();                BusinessEntity.DataSet = ds;
            }
            catch { }
        }

Answer 1

你应该要先连接一下数据库才能open吧

Answer 2

参考：http://blog.csdn.net/gisfarmer/archive/2008/12/30/3648761.aspx
http://blog.csdn.net/gisfarmer/archive/2009/01/04/3701136.aspx