VS2008 で C# を使用して Access 2007 データベースの挿入ステートメントを作成する際に、助けが必要です。私が持っている現在のコードでは、「エラー 42000: INSERT INTO ステートメントの構文エラー」が表示されます。何が悪いのかわかりません。このコードは、ms アクセス テーブルに接続し、データベース情報を Oracle データベースに転送する、今年初めに使用した作業コードに基づいて作成しました。
現在のコード
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Data.OracleClient;
using System.Data.SqlClient;
using System.IO;
using System.Data.Odbc;
class MainClass
{
static void Main(string[] args)
{
string connectionString = "Dsn=Northwind 2007";
string SQL = "SELECT * FROM Orders";
string sqlins = "";
OdbcConnection conn = new OdbcConnection(connectionString);
OdbcCommand cmd = new OdbcCommand(SQL);
cmd.Connection = conn;
OdbcCommand cmdnon=new OdbcCommand(sqlins,conn);
try
{
conn.Open();
OdbcDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
Console.Write("OrderID:" + reader.GetInt32(0).ToString());
Console.Write(" ,");
Console.WriteLine("Customer:" + reader.GetString(1).ToString());
cmdnon.CommandText = "INSERT Commonstation ( S1Flow,S2Flow,S3Flow,S4Flow) VALUES (9999,999,999,999)";
int rowsAffected = cmdnon.ExecuteNonQuery();
Console.WriteLine(rowsAffected);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.InnerException.ToString());
}
finally
{
reader.Close();
conn.Close();
}
}
}
作業コード
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Data.OracleClient;
using System.Data.SqlClient;
using System.IO;
using System.Data.Odbc;
class GasReporter
{
static void Primary( string[] args)
{
string connectionString = "Dsn=Gas_meter";
string col0 = "";
string col1 = "";
string col2 = "";
string col3 = "";
string col4 = "";
string col5 = "";
string col6 = "";
string col7 = "";
string col8 = "";
string sqlins = "";
string connString = "DSN=Gas_meter_proj;Uid=cm;Pwd=cmdev123";
OdbcConnection conn = new OdbcConnection(connString);
try
{
OdbcCommand cmdnon = new OdbcCommand(sqlins, conn);
conn.Open();
cmdnon.Parameters.Add(col0, OdbcType.DateTime);
cmdnon.Parameters.Add(col1, OdbcType.Numeric);
cmdnon.Parameters.Add(col2, OdbcType.Numeric);
cmdnon.Parameters.Add(col3, OdbcType.Numeric);
cmdnon.Parameters.Add(col4, OdbcType.Numeric);
cmdnon.Parameters.Add(col5, OdbcType.Numeric);
cmdnon.Parameters.Add(col6, OdbcType.Numeric);
cmdnon.Parameters.Add(col7, OdbcType.Numeric);
cmdnon.Parameters.Add(col8, OdbcType.Numeric);
OdbcConnection DbConnection = new OdbcConnection(connectionString);
OdbcCommand DbCommand = DbConnection.CreateCommand();
DbConnection.Open();
DbCommand.CommandText = "SELECT DateTime, S1Flow, S2Flow, S3Flow, S4Flow, S1FlowTotal, S2FlowTotal, S3FlowTotal, S4FlowTotal FROM CommonStation WHERE Format(DateTime, 'mm/dd/yyyy') >=(select Format(max(DateTime),'mm/dd/yyyy') from CommonStation)";
OdbcDataReader DbReader = DbCommand.ExecuteReader();
int fCount = DbReader.FieldCount;
while (DbReader.Read())
{
col0 = DbReader["DateTime"].ToString();
col1 = DbReader["S1Flow"].ToString();
col2 = DbReader["S2Flow"].ToString();
col3 = DbReader["S3Flow"].ToString();
col4 = DbReader["S4Flow"].ToString();
col5 = DbReader["S1FlowTotal"].ToString();
col6 = DbReader["S2FlowTotal"].ToString();
col7 = DbReader["S3FlowTotal"].ToString();
col8 = DbReader["S4FlowTotal"].ToString();
cmdnon.CommandText="insert into Commonstation(CommStatDate_Time, S1_Flow, S2_Flow, S3_Flow, S4_Flow, S1_Flow_Total, S2_Flow_Total, S3_Flow_Total, S4_Flow_Total ) values (to_date('" + col0 + "', 'MM/DD/YYYY HH:MI:SS AM' ),to_number('" + col1 + "'), to_number('" + col2 + "'), to_number('" + col3 + "'), to_number('" + col4 + "'),to_number('" + col5 + "'),to_number('" + col6 + "'),to_number('" + col7 + "'),to_number('" + col8 + "'))";
int rowsAffected = cmdnon.ExecuteNonQuery();
Console.WriteLine(rowsAffected);
}
}
catch (Exception ex)
{
ex.InnerException.ToString()+")");
}
finally
{
conn.Close();
DbReader.Close();
DbCommand.Dispose();
DbConnection.Close();
}
}
}