【原】将datagridview里的数据导出到excel（二）

哥本哈根

private   void  ExportExcel( string  fileName, DataGridView myDGV)
        {
if  (myDGV.Rows.Count  >   0 )
            {
                SaveFileDialog saveFileDialog  =   new  SaveFileDialog();
                saveFileDialog.DefaultExt  =   " xls " ;
                saveFileDialog.Filter  =   " EXCEL文件(*.XLS)|*.xls " ;
                saveFileDialog.FilterIndex  =   0 ;
                saveFileDialog.FileName  = fileName;
                saveFileDialog.RestoreDirectory  =   true ;
                saveFileDialog.CreatePrompt  =   true ;
                saveFileDialog.Title  =   " 导出到EXCEL " ;
                saveFileDialog.ShowDialog();
                 if  (saveFileDialog.FileName  ==   "" )
                     return ;
                Stream myStream;
                myStream  =  saveFileDialog.OpenFile();
                StreamWriter sw  =   new  StreamWriter(myStream, System.Text.Encoding.GetEncoding( - 0 ));
                 string  str  =   "" ;
                 try
                {
                     for  ( int  i  =   0 ; i  <  dataGridView1.ColumnCount; i ++ )
                    {
                         if  (i  >   0 )
                        {
                            str  +=   " \t " ;
                        }
                        str  +=  dataGridView1.Columns[i].HeaderText;
                    }
                    sw.WriteLine(str);
                     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[j].Cells[k].Value.ToString();
                        }
                        sw.WriteLine(tempStr);
                    }
                    sw.Close();
                    myStream.Close();
                }
                 catch  (Exception ex)
                {
                    MessageBox.Show(ex.ToString());
                }
                 finally
                {
                    sw.Close();
                    myStream.Close();
                }
            }
}