FileStream aFile = new FileStream(SingleFile,FileMode.Open);StreamReader sr = new StreamReader(aFile,Encoding.GetEncoding("gb2312"),true);string FileContent = sr.ReadToEnd();aFile.Close();ProcessData Pd = new ProcessData();Pd.ProceData(FileContent);

private void DetectEncoding(){ if (this.byteLen >= 2) { this._detectEncoding = false; bool flag = false; if ((this.byteBuffer[0] == 0xfe) && (this.byteBuffer[1] == 0xff)) {  this.encoding = new UnicodeEncoding(true, true);  this.CompressBuffer(2);  flag = true; } else if ((this.byteBuffer[0] == 0xff) && (this.byteBuffer[1] == 0xfe)) {  if (((this.byteLen < 4) || (this.byteBuffer[2] != 0)) || (this.byteBuffer[3] != 0))  { this.encoding = new UnicodeEncoding(false, true); this.CompressBuffer(2); flag = true;  }  else  { this.encoding = new UTF32Encoding(false, true); this.CompressBuffer(4); flag = true;  } } else if (((this.byteLen >= 3) && (this.byteBuffer[0] == 0xef)) && ((this.byteBuffer[1] == 0xbb) && (this.byteBuffer[2] == 0xbf))) {  this.encoding = Encoding.UTF8;  this.CompressBuffer(3);  flag = true; } else if ((((this.byteLen >= 4) && (this.byteBuffer[0] == 0)) && ((this.byteBuffer[1] == 0) && (this.byteBuffer[2] == 0xfe))) && (this.byteBuffer[3] == 0xff)) {  this.encoding = new UTF32Encoding(true, true);  this.CompressBuffer(4);  flag = true; } else if (this.byteLen == 2) {  this._detectEncoding = true; } if (flag) {  this.decoder = this.encoding.GetDecoder();  this._maxCharsPerBuffer = this.encoding.GetMaxCharCount(this.byteBuffer.Length);  this.charBuffer = new char[this._maxCharsPerBuffer]; } }}