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c#利用Excel直接读取数据到DataGridView
来源: 互联网 发布时间:2014-10-24
本文导语: 在winform里拖入一个datagridview控件,跟一个openfiledialog控件 代码如下:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using Microsoft.Office.Core;using Excel=Microsoft.Office.Int...
在winform里拖入一个datagridview控件,跟一个openfiledialog控件
代码如下:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using Microsoft.Office.Core;
using Excel=Microsoft.Office.Interop.Excel;
using System.Windows.Forms;
using System.Reflection;
namespace Excelproject
{
public partial class ExcelForm : Form
{
private ExcelOperate eo;
private string excelpath;
private Excel.Application excel1;
private Excel.Workbooks wbs = null;
private Excel.Workbook wb = null;
private Excel.Sheets wss;
private Excel.Worksheet ws = null;
private Excel.Range range1 = null;
public ExcelForm()
{
InitializeComponent();
this.excel1 = new Excel.Application();
if (excel1 == null)
{
MessageBox.Show("error");
System.Windows.Forms.Application.Exit();
}
excel1.Visible = true;
}
#region excel文件打开关闭操作
private void 打开_Click(object sender, EventArgs e)
{
openFileDialog1 = new OpenFileDialog();
openFileDialog1.Title = "打开excel文件";
openFileDialog1.Filter = "excel03文件(*.xls)|*.xls|excel07文件(*.xlsx)|*.xlsx";
openFileDialog1.InitialDirectory = @"C:UsersAdministratorDesktop";
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
//打开文件对话框选择的文件
excelpath = openFileDialog1.FileName;
eo = new ExcelOperate();
readExcel(excelpath);
}
}
void readExcel(string path)
{
object miss = System.Reflection.Missing.Value;
excel1.UserControl = true;
excel1.DisplayAlerts = false;
excel1.Application.Workbooks.Open(excelpath, miss, miss, miss, miss,
miss, miss, miss, miss,
miss, miss, miss, miss,
miss, miss);
wbs = excel1.Workbooks;
wss = wbs[1].Worksheets;
ws = (Excel.Worksheet) wss.get_Item(1);
int rowNum = ws.UsedRange.Cells.Rows.Count;
int colNum = ws.UsedRange.Cells.Columns.Count;
string cellStr = null;
char ch = 'A';
for (int i = 0; i < colNum; i++)
{
dataGridView1.Columns.Add(i.ToString(), ch.ToString());
dataGridView1.Rows.Add(rowNum);
for (int j = 0; j