winform将DataGridView导出Excel
public void ExportDataGridViewToExcel(DataGridView dataGridview1) { SaveFileDialog saveFileDialog = new SaveFileDialog(); saveFileDialog.Filter = "Execlfiles(*.xls)|*.xls"; saveFileDialog.FilterIndex = 0; saveFileDialog.RestoreDirectory = true; saveFileDialog.CreatePrompt = true; saveFileDialog.Title = "导出Excel文件到"; DateTime now = DateTime.Now; saveFileDialog.FileName =now.Year.ToString().PadLeft(2) + now.Month.ToString().PadLeft(2, '0') + now.Day.ToString().PadLeft(2, '0') + "-" + now.Hour.ToString().PadLeft(2, '0') + now.Minute.ToString().PadLeft(2, '0') + now.Second.ToString().PadLeft(2, '0'); saveFileDialog.ShowDialog(); Stream myStream; myStream = saveFileDialog.OpenFile(); StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding("gb2312")); string str = ""; try { //写标题 for (int i = 0; i < dataGridview1.ColumnCount; i++) { if (i > 0) { str += "\t"; } str += dataGridview1.Columns.HeaderText; } sw.WriteLine(str); //写内容 for (int j = 0; j < dataGridview1.Rows.Count; j++) { string tempStr = ""; for (int k = 0; k < dataGridview1.Columns.Count; k++) { if (k > 0) { tempStr += "\t"; } tempStr += dataGridview1.Rows.Cells.Value.ToString(); } sw.WriteLine(tempStr); } sw.Close(); myStream.Close(); MessageBox.Show("导出成功"); } catch (Exception e) { MessageBox.Show(e.ToString()); } finally { sw.Close(); myStream.Close(); } }
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