两个datagridview控件怎么同时导出数据到excel，自己做的只能导出一个

天涯背包客 2021-07-23 15:05:01

private void Excel_Click(object sender, EventArgs e)
{
string fileName = "";
string saveFileName = "";
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.DefaultExt = "xlsx"; //保存为.xlsx 即Excel文件
saveDialog.Filter = "Excel文件|*.xlsx";
saveDialog.FileName = fileName;
saveDialog.ShowDialog();
saveFileName = saveDialog.FileName;
if (saveFileName.IndexOf(":") < 0) return; //被点了取消
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
if (xlApp == null)
{
MessageBox.Show("无法创建Excel对象，您的电脑可能未安装Excel");
return;
}
Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;
Microsoft.Office.Interop.Excel.Workbook workbook =
workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);
Microsoft.Office.Interop.Excel.Worksheet worksheet =
(Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];//取得sheet1
string[,] datas = new string[dataGridView1.Rows.Count + 1, dataGridView1.ColumnCount]; //写入标题
//进度条
进度条 fm = new 进度条(0, dataGridView1.ColumnCount);
fm.Show(this); //tempProgressBar.Step=1;
for (int i = 0; i < dataGridView1.ColumnCount; i++)
{
worksheet.Cells[1, i + 1] = dataGridView1.Columns[i].HeaderText;
datas[0, i] = dataGridView1.Columns[i].HeaderText;
}
//写入数值
for (int r = 0; r < dataGridView1.Rows.Count; r++)
{

for (int i = 0; i < dataGridView1.ColumnCount; i++)
{
object obj = dataGridView1.Rows[r].Cells[i].Value;
worksheet.Cells[r + 2, i + 1] = dataGridView1.Rows[r].Cells[i].Value;
datas[r + 1, i] = obj == null ? "" : obj.ToString().Trim();
}
System.Windows.Forms.Application.DoEvents();
fm.setPos(r);
}
fm.Close();//关闭窗体
Microsoft.Office.Interop.Excel.Range fchR = worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[dataGridView1.Rows.Count + 1, dataGridView1.ColumnCount]];
fchR.Value2 = datas;
worksheet.Columns.EntireColumn.AutoFit();//列宽自适应
MessageBox.Show(fileName + "资料保存成功", "提示", MessageBoxButtons.OK);
if (saveFileName != "")
{
try
{
workbook.Saved = true;
workbook.SaveCopyAs(saveFileName); //fileSaved = true;
}
catch (Exception ex)
{//fileSaved = false;
MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);
}
}
xlApp.Quit();
GC.Collect();//强行销毁
}