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public void WriteExcel(DataSet ds, string path)
{
try
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Execl files (*.xls)|*.xls";
saveFileDialog.FilterIndex = 0;
saveFileDialog.RestoreDirectory = true;
saveFileDialog.CreatePrompt = false;
saveFileDialog.Title = "导出Excel文件到";
saveFileDialog.FileName = path;
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
Stream myStream;
myStream = saveFileDialog.OpenFile();
StreamWriter sw = new StreamWriter(myStream, Encoding.GetEncoding("gb2312"));
StringBuilder sb = new StringBuilder();
for (int k = 0; k < ds.Tables[0].Columns.Count; k++)
{
sb.Append(ds.Tables[0].Columns[k].ColumnName.ToString() + "\t");
}
sb.Append(Environment.NewLine);
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
for (int j = 0; j < ds.Tables[0].Columns.Count; j++)
{
sb.Append(ds.Tables[0].Rows[i][j].ToString() + "\t");
}
sb.Append(Environment.NewLine);//每写一行数据后换行
}
sw.Write(sb.ToString());
sw.Flush();
sw.Close();//释放资源
KillSpecialExcel();
MessageBox.Show("已经生成指定Excel文件!");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
StreamWriter（dataset）导出EXCEL
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原文地址：http://www.cnblogs.com/zx66/p/5047909.html
