以下貼出部分代碼:C#
需要引用
using System.Data.OracleClient;
using System.Data.SqlClient;
private void button3_Click(object sender, EventArgs e) //將sqlserver中數據導入到oracle數據中
{
button3.Enabled = false; //防止多次點擊
int temp=0; //用於判斷插入是否成功
string sqlstr; //接收插入語句
DataTable dt = new DataTable();
string sql = "select * from dictionary"; // oracle中已存在的數據表
Sqldataload sqldata = new Sqldataload(); //自定義類
dt = sqldata.ORselect(sql);
string[] col = new string[3]; //用於接收沒一行中的數據
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++) //循環每一行
{
for (int j = 0; j < dt.Columns.Count; j++) //循環每一列
{
col[j] = dt.Rows[i][j].ToString();
}
sqlstr = "Insert into Tdictionary(EnField,ChField,Method) values(" + StrTo(col[0]) + "," + StrTo(col[1]) + "," + StrTo(col[2]) + ")";
Dataconn ORconn = new Dataconn();
temp = ORconn.ORUpdate(sqlstr); //將數據插入到oracle數據中
}
}
button3.Enabled = true;
if (temp!=-1) MessageBox.Show("轉換成功!!");
else
MessageBox.Show("轉換失敗!!");
}
public string StrTo(string str)
{
str = "'" + str + "'";
return str;
}
自定義類:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.OracleClient;
using System.Data;
namespace ExceltoOracleTable
{
class Dataconn
{
public Dataconn()
{
}
public string ConnectionString = "Data Source=telecom;Persist Security Info=True;User ID=qiao;Password=qiao;Unicode=True"; //寫連接串
public DataTable ORselect(string str)
{
DataTable dt = new DataTable();
OracleConnection conn = new OracleConnection();
conn.ConnectionString = ConnectionString;
OracleDataAdapter adapter = new OracleDataAdapter(str, conn);
try
{
conn.Open();
adapter.Fill(dt);
}
catch (OracleException ee)
{
}
finally
{
conn.Close(); //關閉連接
}
return dt;
}
public int ORUpdate(string SQLstr)
{
OracleConnection conn = new OracleConnection();
conn.ConnectionString = ConnectionString;
OracleCommand command = new OracleCommand(SQLstr, conn);
try
{
conn.Open();
return command.ExecuteNonQuery(); //返回操作行數
}
catch (OracleException ee)
{
return -1; //操作失敗
}
finally
{
conn.Close(); //關閉連接
}
}
public DataSet ORSelect2(string str)
{
OracleConnection conn = new OracleConnection();
conn.ConnectionString = ConnectionString;
OracleDataAdapter adapter = new OracleDataAdapter(str, conn);
DataSet DS = new DataSet();
try
{
conn.Open();
adapter.Fill(DS );
}
catch (OracleException ee)
{
// messagebox.show("連接失敗!!!");
}
finally
{
conn.Close(); //關閉連接
}
return DS;
}
}
}