System.Text.UnicodeEncoding converter = new System.Text.UnicodeEncoding(); string spcontent = converter.GetString(byteArr );

int itag=0; 　　　　　　string content = ""; 　　　　　　StringBuilder sb = new StringBuilder(); 　　　　　　　string fileName = @"c:test.html"; StreamReader objReader = new StreamReader(fileName, System.Text.Encoding.GetEncoding("gb2312")); string sLine = ""; while (sLine != null) 　　 { 　　 sLine = objReader.ReadLine(); 　　if (sLine != null) 　　{//这里可以做相应的处理，如过滤文件中的数据 　　 sb.Append(sLine); 　　 } 　} objReader.Close(); content= sb.ToString(); //如果你要将整个文件的内容显示在界面上，你可以用<%=content%>放到相应的地方 　　　　　　System.Text.UnicodeEncoding converter = new System.Text.UnicodeEncoding(); 　　　　　　byte[] byteArr = converter.GetBytes(content); //下面为插入到数据库代码， strInsertCmd = "insert into Document (DocumentID,DocumentContent,addtime,MODITIME,status) values ('" + DocumentID + "',?,'" + NOWTIME + "','" + NOWTIME + "',' 00 ')"; cmd=new OleDbCommand(strInsertCm,ConnectionOBJ); param = new OleDbParameter("DocumentContent", OleDbType.VarBinary, byteArr.Length, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, byteArr); cmd.Parameters.Add(param); itag=cmd.ExecuteNonQuery(); if(itag>0){//成功！}

public string GB2312ToUTF8(string sSourse) { string Utf8_info = string.Empty; Encoding utf8 = Encoding.UTF8; Encoding gb2312 = Encoding.GetEncoding("gb2312"); byte[] unicodeBytes = gb2312.GetBytes(sSourse); byte[] asciiBytes = Encoding.Convert(gb2312, utf8, unicodeBytes); char[] asciiChars = new char[utf8.GetCharCount(asciiBytes, 0, asciiBytes.Length)]; utf8.GetChars(asciiBytes, 0, asciiBytes.Length, asciiChars, 0); Utf8_info = new string(asciiChars); return Utf8_info; }