SqlBulkCopy类 基本使用方法

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 1  private void button1_Click(object sender, EventArgs e)
 2         {
 3             try
 4             {
 5                 string DatabaseOne = "Data Source = DATABASE-VPC\\SQL2005; User ID = sa; password = admin; Initial Catalog = AdventureWorks; Pooling=true";
 6                 string DatabaseTwo = "Data Source = DATABASE-VPC\\SQL2005; User ID = sa; password = admin; Initial Catalog = Jiang; Pooling=true";
 7                 SqlConnection Conn = new SqlConnection(DatabaseOne);
 8                 SqlCommand cmd = new SqlCommand();
 9                 cmd.Connection = Conn;
10                 cmd.CommandType = CommandType.Text;
11                 cmd.CommandText = "select * from TableCopyTest";
12                 Conn.Open();
13                 DataSet ds = new DataSet();
14                 SqlDataAdapter per = new SqlDataAdapter(cmd);
15                 per.Fill(ds, "One");
16                 cmd.ExecuteNonQuery();
17                 SqlBulkCopy copytable = new SqlBulkCopy(DatabaseTwo, SqlBulkCopyOptions.UseInternalTransaction);
18                 copytable.BulkCopyTimeout = 500000;
19                 copytable.SqlRowsCopied += new SqlRowsCopiedEventHandler(copytable_SqlRowsCopied);
20                 copytable.NotifyAfter = ds.Tables[0].Rows.Count;
21 
22                 copytable.DestinationTableName = "TableCopyTwo";
23                 copytable.ColumnMappings.Add("uid", "pass");///互换对应列
24                 copytable.WriteToServer(ds.Tables[0]);
25             }
26             catch (Exception ex) { MessageBox.Show(ex.Message); }
27         }
28 
29         void copytable_SqlRowsCopied(object sender, SqlRowsCopiedEventArgs e)
30         {
31             this.label1.Text = "完成！ 共：" + e.RowsCopied.ToString();
32         }