你的位置:首页 > ASP.net教程

[ASP.net教程]c#将excel中数据批量导入数据库对应表


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Configuration;
using System.IO;
using System.Data.SqlClient;

namespace ImportExcelToSqlServer
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
/// <summary>
/// tb1:工作簿名称 tb2:需要导入的数据库表名 tb3:数据库连接字符串
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_Import_Click(object sender, EventArgs e)
{
//string connString = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString.ToString();
string connString = tb3.Text;
System.Windows.Forms.OpenFileDialog fd = new OpenFileDialog();
if (fd.ShowDialog() == DialogResult.OK)
{
TransferData(fd.FileName, tb1.Text, connString);
}
}
public void TransferData(string strCon, string sheetName, string connectionString)
{
DataSet ds = new DataSet();
try
{
string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + strCon + ";" + ";Extended Properties=\"Excel 8.0;HDR=YES;IMEX=1\"";
//获取sheet页全部数据
OleDbConnection conn = new OleDbConnection(connStr);
conn.Open();
string strExcel = "";
OleDbDataAdapter myCommand = null;
strExcel = string.Format("select * from [{0}$]", sheetName);
myCommand = new OleDbDataAdapter(strExcel, connStr);
myCommand.Fill(ds, sheetName);
using (System.Data.SqlClient.SqlBulkCopy bcp = new System.Data.SqlClient.SqlBulkCopy(connectionString))
{
DataTable dt = ds.Tables[0];
bcp.BatchSize = 100;//每次传输的行数
bcp.NotifyAfter = 100;//进度提示的行数
bcp.DestinationTableName = tb2.Text;//需要导入的数据库表名

//excel表头与数据库列对应关系
bcp.ColumnMappings.Add("物料编码", "CODE");
bcp.ColumnMappings.Add("物料名称", "NAME");
bcp.ColumnMappings.Add("状态", "STATUS");
bcp.ColumnMappings.Add("物料说明", "MEMO");
bcp.ColumnMappings.Add("创建人帐号", "CREATOR");
bcp.ColumnMappings.Add("创建时间", "CREATEDATE");
bcp.ColumnMappings.Add("计量单位", "Unit");
bcp.ColumnMappings.Add("材质", "Material");
bcp.ColumnMappings.Add("库存最大量", "StockUp");
bcp.ColumnMappings.Add("库存最小量", "StockDown");
bcp.ColumnMappings.Add("类别编码", "MATERSTRING1");
bcp.ColumnMappings.Add("规格", "MATERSTRING2");
bcp.ColumnMappings.Add("型号", "MATERSTRING3");
bcp.ColumnMappings.Add("助记码", "MATERSTRING4");
bcp.ColumnMappings.Add("提报单位编码", "MATERSTRING5");
bcp.ColumnMappings.Add("类别编码", "MATERSTRING6");
bcp.WriteToServer(dt);
MessageBox.Show("成功");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
}