一、C#怎样打开Excel文件
1.右键–Add DevExpress Item – New Item,新建一个Form窗体
2.打开工具箱,搜索spreadsheetControl
3.将工具spreadsheetControl拖入新建的窗体中
4.可添加打开,保存,打印等按钮,我是随窗体打开一起打开excel,所以没有添加按钮,主要代码如下:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using System.IO;
using DevExpress.Spreadsheet;
namespace rdms.Forms
{
public partial class frmARFCN : Form
{
private static log4net.ILog LOG = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
//记录窗体的名称
readonly string mainFormText;
public frmARFCN()
{
InitializeComponent();
//记录窗体的名称,并实现文档变化事件的处理,方便显示新的文件名称
mainFormText = this.Text;
this.spreadsheetControl1.DocumentLoaded += new EventHandler(spreadsheetControl1_DocumentLoaded);
openFile();
}
/// <summary>
/// 文档变化后,实现对新文件名称的显示
/// </summary>
void spreadsheetControl1_DocumentLoaded(object sender, EventArgs e)
{
string fileName = Path.GetFileName(this.spreadsheetControl1.Document.Path);
if (String.IsNullOrEmpty(fileName))
{
Text = mainFormText;
}
else
{
Text = fileName + " - " + mainFormText;
}
}
/// <summary>
/// 打开Excel文件
/// </summary>
private void openFile()
{
string path = Application.StartupPath;
LOG.Info("path==="+path);
string filePath = path + "\\Data\\about.xls";
if (!string.IsNullOrEmpty(filePath))
{
IWorkbook workbook = spreadsheetControl1.Document;
workbook.LoadDocument(filePath);
}
}
/// <summary>
/// 保存Excel文件
/// </summary>
private void btnSaveFile_Click(object sender, EventArgs e)
{
spreadsheetControl1.SaveDocument();
}
/// <summary>
/// Excel文件打印
/// </summary>
private void btnPreview_Click(object sender, EventArgs e)
{
this.spreadsheetControl1.ShowPrintPreview();
}
}
}
5.点击某个按钮弹出frmARFCN的form窗体
private void btn_Click(object sender, EventArgs e)
{
using (frmARFCN frm = new frmARFCN())
{
DialogResult ret = frm.ShowDialog(this);
}
}
6.显示效果如下