如何連接到oracle數據庫:(（

Question

我試圖連接到oracle 11g，但我有問題，並收到以下error.the錯誤顯示我必須在我的sql語法問題，但我在oracle sql developer.the查詢是正確的 請幫我解決這個問題
感謝

try { 
       string oradb = "Data Source=(DESCRIPTION=" 
      + "(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=xxx-PC)(PORT=1521)))" 
      + "(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));" 
      + "User Id=xxxx;Password=123456;"; 

       OracleConnection con = new OracleConnection(); 
       con.ConnectionString = oradb; 

       //String command = "Select Object_name,status from object_name where object_type='" + object_typeCB.SelectedText + "'"; 


       string command = "select column1,column2,column3 from table1;"; 

       OracleDataAdapter oda = new OracleDataAdapter(); 

       oda.SelectCommand = new OracleCommand(); 
       oda.SelectCommand.Connection = con; 
       oda.SelectCommand.CommandText = command; 
       con.Open(); 
       oda.SelectCommand.ExecuteNonQuery(); 
       DataSet ds = new DataSet(); 
       oda.Fill(ds); 
       dataGridView1.DataSource = ds; 
       con.Close(); 
      } 
      catch (Exception ex) 
      { 
       MessageBox.Show(ex.Message.ToString()+Environment.NewLine+ ex.StackTrace.ToString()); 
      } 

錯誤：

ORA-00911: invalid character 

    at Oracle.DataAccess.Client.OracleException.HandleErrorHelper(Int32 errCode, OracleConnection conn, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, String procedure, Boolean bCheck)  
    at Oracle.DataAccess.Client.OracleException.HandleError(Int32 errCode, OracleConnection conn, String procedure, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, Boolean bCheck)  
    at Oracle.DataAccess.Client.OracleCommand.ExecuteNonQuery()  
    at FileChecker.dropFrame.applyBt_Click(Object sender, EventArgs e) in C:\Users\rima\Documents\Visual Studio 2008\Projects\FileChecker\FileChecker\DropFrame.cs:line 61 

Answer 1

從您的SQL查詢的結尾失去;