csharp: datagridview Convert csv file

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/// <summary>
       /// 保存文件
       /// 涂聚文
       /// 2014-08-29
       /// Geovin Du
       /// </summary>
       /// <param name="dGV"></param>
       /// <param name="filename"></param>
       public static void DataGridViewToCsV(DataGridView dGV, string filename)
       {
 
           string stOutput = "";
           // Export titles: 
           string sHeaders = "";
           for (int j = 0; j < dGV.Columns.Count; j++)
 
               sHeaders = sHeaders.ToString() + Convert.ToString(dGV.Columns[j].HeaderText) + ", ";
           stOutput += sHeaders + "\r\n";
           // Export data. 
           for (int i = 0; i < dGV.RowCount - 1; i++)
           {
 
               string stLine = "";
               for (int j = 0; j < dGV.Rows[i].Cells.Count; j++)
                   stLine = stLine.ToString() + Convert.ToString(dGV.Rows[i].Cells[j].Value) + ", ";
               stOutput += stLine + "\r\n";
 
           }
           UTF8Encoding utf8 = new UTF8Encoding();
           string file = "1.csv";
           SaveFileDialog saveFileDialog1 = new SaveFileDialog();
           saveFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);//Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
           saveFileDialog1.CreatePrompt = true;
           saveFileDialog1.OverwritePrompt = true;
           saveFileDialog1.Title = "Save text Files";
           //saveFileDialog1.CheckFileExists = true;
           //saveFileDialog1.CheckPathExists = true;
           saveFileDialog1.DefaultExt = "csv";
           saveFileDialog1.Filter = "csv files (*.csv)|*.csv|All files (*.*)|*.*";
           saveFileDialog1.FilterIndex = 1;
           saveFileDialog1.RestoreDirectory = true;
           System.IO.Stream fileStream;
           if (saveFileDialog1.ShowDialog() == DialogResult.OK)
           {
               //FileStream fs = new FileStream(filename, FileMode.Create);
               file = saveFileDialog1.FileName;
               fileStream = saveFileDialog1.OpenFile();
               MemoryStream userInput = new MemoryStream();
               byte[] output = Encoding.Default.GetBytes(stOutput);
               //fileStream.Read(output, 0, (int)output.Length);
               fileStream.Write(output, 0, output.Length);
               fileStream.Close();
 
           }
 
 
       }
       /// <summary>
       /// 保存文件
       /// 涂聚文
       /// 2014-08-28
       /// Geovin Du
       /// </summary>
       /// <param name="dGV"></param>
       /// <param name="filename"></param>
       public static void DataGridViewToCsVDu(DataGridView dGV, string filename)
       {
 
           string stOutput = "";
 
           // Export titles: 
           string sHeaders = "";
           for (int j = 0; j < dGV.Columns.Count; j++)
 
               sHeaders = sHeaders.ToString() + Convert.ToString(dGV.Columns[j].HeaderText) + ", ";
           stOutput += sHeaders + "\r\n";
           // Export data. 
           for (int i = 0; i < dGV.RowCount - 1; i++)
           {
 
               string stLine = "";
 
               for (int j = 0; j < dGV.Rows[i].Cells.Count; j++)
 
                   stLine = stLine.ToString() + Convert.ToString(dGV.Rows[i].Cells[j].Value) + ", ";
 
               stOutput += stLine + "\r\n";
 
           }
           UTF8Encoding utf8 = new UTF8Encoding();
           //Encoding utf16 = Encoding.GetEncoding(1200);//unicode encoding
           byte[] output = Encoding.Default.GetBytes(stOutput);
           FileStream fs = new FileStream(filename, FileMode.Create);
           BinaryWriter bw = new BinaryWriter(fs, Encoding.Default);
           bw.Write(output, 0, output.Length); //write the encoded file
           bw.Flush();
           bw.Close();
           fs.Close();
            
 
       }

 

posted @   ®Geovin Du Dream Park™  阅读(1102)  评论(0编辑  收藏  举报
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