• 简易数据导入小工具


    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Data.SqlClient;
    using System.IO;
    
    namespace ImportedDataTool
    {
        public partial class ImportedDataIntoDBFromTXT : Form
        {
            public ImportedDataIntoDBFromTXT()
            {
                InitializeComponent();
            }
    
            /// <summary>
            /// 选择文件
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            private void button8_Click(object sender, EventArgs e)
            {
                OpenFileDialog of = new OpenFileDialog();
                of.Filter = "文本文件|*.txt|所有文件|*.*";
                of.FilterIndex = 1;
                if (of.ShowDialog() == DialogResult.OK)
                {
                    txtPath.Text = of.FileName.Trim();
                }
            }
            
            /// <summary>
            /// 开始导入数据
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            private void button1_Click(object sender, EventArgs e)
            {
                try
                {
                    bool isFirst = true;//表头信息标识
                    DataTable dt = new DataTable();
                    string path = txtPath.Text.Trim();//txt路劲
                    string conn = txtStrConn.Text.Trim();//连接字符串
                    SqlConnection con = new SqlConnection(conn);
                    con.Open();
                    string tableName = txtTableName2.Text.Trim();//接收数据的表
                    StreamReader smRead = new StreamReader(path, System.Text.Encoding.Default);
                    string line;
                    while ((line = smRead.ReadLine()) != null)
                    {
                        string[] arrStr = line.Split(new char[] { '	' });
                        // 如果第一次读取数据则读取的是表头信息
                        if (isFirst)
                        {
                            //录入表头信息到临时table中
                            foreach (var item in arrStr)
                            {
                                dt.Columns.Add(item.ToString().Trim());
                            }
                            isFirst = false;
                        }
                        else
                        {
                            //录入内容信息
                            DataRow dr = dt.NewRow();
                            for (int i = 0; i < arrStr.Count(); i++)
                            {
                                dr[i] = arrStr[i];
                            }
                            dt.Rows.Add(dr);
                        }
                    }
    
                    SqlBulkCopy sbc = new SqlBulkCopy(conn, SqlBulkCopyOptions.UseInternalTransaction);
                    sbc.DestinationTableName = tableName;
                    sbc.BulkCopyTimeout = 180;
                    sbc.WriteToServer(dt);
                    sbc.Close();
                    con.Close();
                    MessageBox.Show("数据导入成功", "数据导入成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show("数据导入失败", "数据导入失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
    
    
    
        }
    }
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  • 原文地址:https://www.cnblogs.com/Moonlight-Shadow/p/3586770.html
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