private void ExportToExcel(DataGridView dgvData)
{
string saveFileName = "";
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.DefaultExt = "xlsx";
saveDialog.Filter = "Excel文件|*.xlsx";
if (saveDialog.ShowDialog() != DialogResult.OK)
{
return ;
}
saveFileName = saveDialog.FileName;
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
if (xlApp == null)
{
MessageBox.Show("无法创建Excel对象，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
//写入标题
for (int i = 0; i < dgvData.ColumnCount; i++)
{
worksheet.Cells[1, i + 1] = dgvData.Columns[i].HeaderText;
}
//写入数值
for (int r = 0; r < dgvData.Rows.Count; r++)
{
for (int i = 0; i < dgvData.ColumnCount; i++)
{
worksheet.Cells[r + 2, i + 1] = dgvData.Rows[r].Cells[i].Value;
}
System.Windows.Forms.Application.DoEvents();
}
worksheet.Columns.EntireColumn.AutoFit();//列宽自适应
if (saveFileName != "")
{
try
{
workbook.Saved = true;
workbook.SaveCopyAs(saveFileName);
}
catch (Exception ex)
{
MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);
}
}
xlApp.Quit();
GC.Collect();
MessageBox.Show("文件： " + saveFileName + "保存成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
