public void ExportDataToExecel(DataGridView dataGridView1) { SaveFileDialog kk = new SaveFileDialog(); kk.Title = "保存EXECL文件"; kk.Filter = "EXECL文件(*.xls) |*.xls |所有文件(*.*) |*.*"; kk.FilterIndex = 1; if (kk.ShowDialog() == DialogResult.OK) { string FileName = kk.FileName.Trim(); if (File.Exists(FileName)) File.Delete(FileName); System.IO.FileStream objFileStream; StreamWriter objStreamWriter; string strLine = ""; objFileStream = new System.IO.FileStream(FileName, FileMode.OpenOrCreate, FileAccess.Write); objStreamWriter = new StreamWriter(objFileStream, System.Text.Encoding.Unicode); for (int i = 0; i < dataGridView1.Columns.Count; i++) { if (dataGridView1.Columns[i].Visible == true) { strLine = strLine + dataGridView1.Columns[i].HeaderText.ToString() + Convert.ToChar(9); } } objStreamWriter.WriteLine(strLine); strLine = ""; for (int i = 0; i < dataGridView1.Rows.Count; i++) { if (dataGridView1.Columns[0].Visible == true) { if (dataGridView1.Rows[i].Cells[0].Value == null) strLine = strLine + " " + Convert.ToChar(9); else strLine = strLine + dataGridView1.Rows[i].Cells[0].Value.ToString() + Convert.ToChar(9); } for (int j = 1; j < dataGridView1.Columns.Count; j++) { if (dataGridView1.Columns[j].Visible == true) { if (dataGridView1.Rows[i].Cells[j].Value == null) strLine = strLine + " " + Convert.ToChar(9); else { string rowstr = ""; rowstr = dataGridView1.Rows[i].Cells[j].Value.ToString(); if (rowstr.IndexOf(" ") > 0) rowstr = rowstr.Replace(" ", " "); if (rowstr.IndexOf(" ") > 0) rowstr = rowstr.Replace(" ", " "); strLine = strLine + rowstr + Convert.ToChar(9); } } } objStreamWriter.WriteLine(strLine); strLine = ""; } objStreamWriter.Close(); objFileStream.Close(); MessageBox.Show(this, "保存EXCEL成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } }