C# 小工具：读取excel表格，实现筛选某一列的功能，并显示处理

最新推荐文章于 2025-07-14 11:20:48 发布

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最新推荐文章于 2025-07-14 11:20:48 发布 · 1w 阅读

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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;

namespace MainForm
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
           // selectExcel();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        string excelFilePath = "";//定义一个全局变量

        private void button_excel_Click(object sender, EventArgs e)
        {
            OpenFileDialog openExcel = new OpenFileDialog();
            openExcel.InitialDirectory = @"";
            //openExcel.Filter = "Excel文件|*.xls|Excel文件|*.xlsx"; //这里是个问题需要处理
            openExcel.Filter = "Excel文件|*.xlsx|Excel文件|*.xls";
            openExcel.Title = "打开Excel文件";
            
            if (openExcel.ShowDialog() == D