using System;

using System.Data;

using System.Windows.Forms;

using System.Data.OleDb;

namespace WindowsApplication2

{

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    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            //测试，将excel中的sheet1导入到sqlserver中

            string connString = "server=localhost;uid=sa;pwd=sqlgis;database=master";

            System.Windows.Forms.OpenFileDialog fd = new OpenFileDialog();

            if (fd.ShowDialog() == DialogResult.OK)

            {

                TransferData(fd.FileName, "sheet1", connString);

            }

        }

        public void TransferData(string excelFile, string sheetName, string connectionString)

        {

            DataSet ds = new DataSet();

            try

            {

                //获取全部数据

                string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + excelFile + ";" + "Extended Properties=Excel 8.0;";

                OleDbConnection conn = new OleDbConnection(strConn);

                conn.Open();

                string strExcel = "";

                OleDbDataAdapter myCommand = null;

                strExcel = string.Format("select * from [{0}$]", sheetName);

                myCommand = new OleDbDataAdapter(strExcel, strConn);

                myCommand.Fill(ds, sheetName);

                //如果目标表不存在则创建

                string strSql = string.Format("if object_id('{0}') is null create table {0}(", sheetName);

                foreach (System.Data.DataColumn c in ds.Tables[].Columns)

                {

                    strSql += string.Format("[{0}] varchar(255),", c.ColumnName);

                }

                strSql = strSql.Trim(',') + ")";

                using (System.Data.SqlClient.SqlConnection sqlconn = new System.Data.SqlClient.SqlConnection(connectionString))

                {

                    sqlconn.Open();

                    System.Data.SqlClient.SqlCommand command = sqlconn.CreateCommand();

                    command.CommandText = strSql;

                    command.ExecuteNonQuery();

                    sqlconn.Close();

                }

                //用bcp导入数据

                using (System.Data.SqlClient.SqlBulkCopy bcp = new System.Data.SqlClient.SqlBulkCopy(connectionString))

                {

                    bcp.SqlRowsCopied += new System.Data.SqlClient.SqlRowsCopiedEventHandler(bcp_SqlRowsCopied);

                    bcp.BatchSize = ;//每次传输的行数

                    bcp.NotifyAfter = ;//进度提示的行数

                    bcp.DestinationTableName = sheetName;//目标表

                    bcp.WriteToServer(ds.Tables[]);

                }

            }

            catch (Exception ex)

            {

                System.Windows.Forms.MessageBox.Show(ex.Message);

            }

        }

        //进度显示

        void bcp_SqlRowsCopied(object sender, System.Data.SqlClient.SqlRowsCopiedEventArgs e)

        {

            this.Text = e.RowsCopied.ToString();

            this.Update();

        }

    }

}