Question

怎么将list<>保存到数据库中

能否给个代码呀
C#

Answer 1

就是写文件啊，循环list string str = Guid.NewGuid().ToString(); string strPath = "C:\\Program Files\\" + str + ".xls"; FileStream fs = File.Create(strPath); StreamWriter sw = new StreamWriter(fs, Encoding.Unicode); string strLine = ""; // 写入列标题 for (int i = 0; i < colNames.Length; i++) { string[] col = colNames[i].Split('='); strLine = strLine + col[1].ToString() + Convert.ToChar(9); } sw.WriteLine(strLine); strLine = ""; // 写入报表数据 for (int i = 0; i < dt.Rows.Count; i++) { // for (int j = 0; j < colNames.Length; j++) { string[] col = colNames[j].Split('='); strLine = strLine + dt.Rows[i][col[0]].ToString() + Convert.ToChar(9); } sw.WriteLine(strLine); strLine = ""; } sw.Close(); fs.Close();

Answer 2

连接数据库，写SQL或DataSet，保存