fly_ball的博客

开发环境：vs2019语言：c# private void output_excel_Click(object sender, EventArgs e) { if (dataGridView1.Rows.Count == 0) { MessageBox.Show("DataGridView中内容为空,请先导入数据!", "提示", MessageBoxButtons.OK, MessageBoxIcon.W

开发环境：vs2019没多b话直接上代码 private void button1_Click(object sender, EventArgs e) { DataTable dt = GetDataGridView(dataGridView1); DataSet ds = new DataSet(); ds.Tables.Add(dt); ds.WriteXml(F

开发环境：VS 2019语言：c#窗口：winform private void button2_Click(object sender, EventArgs e) { OpenFileDialog open = new OpenFileDialog() { Filter = "*|*.csv" }; open.ShowDialog(); dataGridView1.DataSource = Load

开发环境：Visual Studio 20191.需要在项目引用中引用Microsoft office object LIbrary方法2.3.在winform窗体中放入一个botton控件，datagridview，和combox控件4.在botton的单击事件中进行操作 DataTableCollection tableCollection; private void btnbrowse_Click(object sender, EventArgs e) {

using System;using TopDAL;using System.IO;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Data;namespace ConsoleApplication{ class Program { static void Main(string[]