private void button4_Click(object sender, EventArgs e) { if (op1.ShowDialog() == DialogResult.OK) { //注释部分 与NPOI 不能同时调用同一个文件 //userex.Open(op1.FileName); // userex.ws = userex.GetDefaultSheet(); devicedt = NPOI.ImportExcel(op1.FileName); //dgvDevice.DataSource = devicedt; } }
private void button1_Click(object sender, EventArgs e) { NPOI.ExportDataToExcelNoDialog(devicedt, deviceDataFileName, null, null); //NPOI.ExportDataToExcel(devicedt, "321", null, null); }