public void FileToDB()         {             string line = "";//將檔案中的一行資料讀出，賦值給line             int i = 0;//計數檔案中的行數               int linenumber = 0;//檔案中的總行數               string sql = "select top 1 * from 表";//從資料庫讀取某一張表，主要是為了獲取表的結構             DataSet dt = DataSelectMyTest(sql, "table");//執行sql語句，返回DataSet             dt.Clear();//清空資料                 string fileName = @"csv檔案的絕對路徑";                 FileStream fs = new FileStream(fileName, FileMode.Open);                 System.Text.Encoding iso_8859_1 = System.Text.Encoding.GetEncoding("iso-8859-1");//西歐語言裡的iso 8859-1                 StreamReader m_streamReader = new StreamReader(fs, iso_8859_1);                 linenumber = m_streamReader.ReadToEnd().Split('\n').Length;                 //Console.WriteLine("檔案一共有{0}行!",linenumber);                 fs.Seek(0, SeekOrigin.Begin);//迴轉到檔案開頭                                                                                                     DataTable Table = new DataTable("table");                 while (((line = m_streamReader.ReadLine()) != null))                 {

                    i++;                     if (i == 1)//第一行是列名                     {                         string[] str = CutComma(line);//去除列名之間的所有空格                         for (int k = 0; k < str.Length; k++)                         {                             str[k] = CutSpace(str[k]);//去除列名中的空格                                  DataColumn Column = new DataColumn();                             Column.DataType = System.Type.GetType("System.String");                             Column.ColumnName = str[k].ToString();                             Table.Columns.Add(Column);                         }                     }                     if (i <= linenumber - 1 && i > 1)//(檔案的第一行就是列名，檔案結尾多出來一行空白的)                     {                         int i1 = 0;                         string str = "";                         DataRow temprow = Table.NewRow();                         bool flag = true;                         for (int j = 0; j < line.Length; j++)                         {                             if (flag == true)                             {                                 if (line[j] == '\"')                                 {                                     flag = false;                                     continue;                                 }                                 else if (line[j] != ',')                                 {                                     str = str + line[j];                                     if (j == line.Length - 1)                                     {                                         temprow[i1] = str;//最後一列不為空的時候                                     }                                 }                                 else if (line[j] == ',' && line[j - 1] != '\"')                                 {                                     //賦值                                     temprow[i1] = str;                                     str = "";                                     i1 = i1 + 1;                                     if (j == line.Length - 1)                                     {                                         temprow[i1] = str;//最後一列為空的時候                                     }                                 }                             }                             else                             {                                 if (line[j] != '\"')                                 {                                     str = str + line[j];                                 }                                 else                                 {                                     flag = true;                                     //賦值                                     temprow[i1] = str;                                     str = "";                                     i1 = i1 + 1;                                     continue;                                 }                             }                         }                         Table.Rows.Add(temprow);                     }                 }             }

            string strConnection = "資料庫的配置";             SqlConnection conn = new SqlConnection(strConnection);             SqlBulkCopy bcp = new SqlBulkCopy(conn);             conn.Open();             bcp.DestinationTableName = "資料庫中對應的表";             bcp.WriteToServer(dt.Tables["table"]); //把資料寫入到一張表中               conn.Close();             dt.Clear();         }

//程式碼還可以進一步的優化，比如，有可能資料庫中的表結構，和CSV中的並不對應，屆時，就需要自己對列進行一一對應了

//需要注意的是csv檔案的編碼，以及使用那個notepad++開啟檔案，列與列之間怎麼分隔開的

//在資料庫配置之前，需要把之前建立的Table放到dt中名為"table"的表中，