C#读取Excel的方法总结

if (ser == s) { Console.WriteLine(dse);break; }} sr.Close();另外也可以将数据库数据导入到一个txt文件，实例如下： //txt文件名 string fn = DateTime.Now.ToString("yyyyMMddHHmmss") + "-" + "PO014" + ".txt"; OleDbConnection con = new OleDbConnection(conStr); con.Open(); string sql = "select ITEM,REQD_DATE,QTY,PUR_FLG,PO_NUM from TSD_PO014"; //OleDbCommand mycom = new OleDbCommand("select * from TSD_PO014", mycon); //OleDbDataReader myreader = mycom.ExecuteReader(); //也可以用Reader读取数据 DataSet ds = new DataSet(); OleDbDataAdapter oda = new OleDbDataAdapter(sql, con); oda.Fill(ds, "PO014"); DataTable dt = ds.Tables[0]; FileStream fs = new FileStream(Server.MapPath("download/" + fn), FileMode.Create, FileAccess.ReadWrite); StreamWriter strmWriter = new StreamWriter(fs); //存入到文本文件中 //把标题写入.txt文件中 //for (int i = 0; i <dt.Columns.Count;i++) //{ // strmWriter.Write(dt.Columns[i].ColumnName + " "); //} foreach (DataRow dr in dt.Rows) { string str0, str1, str2, str3; string str = "|"; //数据用"|"分隔开 str0 = dr[0].ToString(); str1 = dr[1].ToString(); str2 = dr[2].ToString(); str3 = dr[3].ToString(); str4 = dr[4].ToString().Trim(); strmWriter.Write(str0); strmWriter.Write(str); strmWriter.Write(str1); strmWriter.Write(str); strmWriter.Write(str2); strmWriter.Write(str); strmWriter.Write(str3); strmWriter.WriteLine(); //换行 } strmWriter.Flush(); strmWriter.Close(); if (con.State == ConnectionState.Open) { con.Close(); }以上就是C#读取Excel文件的三种方法，希望对大家有所帮助。相关教程C# 语言规范C# 入门手册