private void toolStripLabel4_Click(object sender, EventArgs e)
{
try
{
DialogResult queren = MessageBox.Show("读取的'EXCEL文件'后缀必须为.Xlsx，否则读取失败！", "系统提示！", MessageBoxButtons.YesNo);
if (queren == DialogResult.Yes)
{
if (this.openFileDialog1.ShowDialog() == DialogResult.OK)
{
string path = openFileDialog1.FileName;
if (!path.Equals(string.Empty))
{
if (!File.Exists(path))
{
MessageBox.Show("文件不存在！");
return;
}
IntPtr vHandle = _lopen(path, OF_READWRITE | OF_SHARE_DENY_NONE);
if (vHandle == HFILE_ERROR)
{
MessageBox.Show("文件被占用！");
return;
}
CloseHandle(vHandle);
if (path.Trim().Contains("xlsx"))
{
list = cal.readerSehaoExcel(path);
this.backgroundWorker1.RunWorkerAsync(); // 运行 backgroundWorker 组件
JingDu form = new JingDu(this.backgroundWorker1, "读取中"); // 显示进度条窗体
form.ShowDialog(this);
form.Close();
DataTable dt = new DataTable();
dt.Columns.Add("Id", typeof(int));
dt.Columns.Add("Name", typeof(String));
dt.Columns.Add("SeHao1", typeof(String));
foreach (Sehao s in list)
{
dt.Rows.Add(s.Id, s.Name, s.SeHao1);
}
dataGridView1.DataSource = dt;
MessageBox.Show("读取成功！");
}
else
{
MessageBox.Show("读取失败！原因:读取文件后缀非'xlsx");
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}