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string file_name = this.filepath1_txt.Text.ToString();//ͼƬ·¾¶
  Bitmap bmp = new Bitmap(file_name);
  FileInfo fi = new FileInfo(file_name);

  int w = bmp.Width;//¿í 
  int h = bmp.Height;//¸ß 
  long s = fi.Length;
   
  string conn_str = "Provider=OraOLEDB.Oracle.1;Password=123;Persist Security Info=True;User ID=123;Data Source=123;Extended Properties=";
  OleDbConnection cn = new OleDbConnection(conn_str);
  cn.Open();


  OleDbCommand cmd;
  cmd = new OleDbCommand("insert into Table_1(fphoto) values(:FPHOTO1)", cn);
 
  cmd.Parameters.Add("FPHOTO", OleDbType.Binary);
  FileStream fs = new FileStream(file_name, FileMode.OpenOrCreate, FileAccess.Read);
  byte[] MyData = new byte[fs.Length];
  fs.Read(MyData, 0, System.Convert.ToInt32(fs.Length));
  fs.Close();
  cmd.Parameters["FPHOTO"].Value = MyData;

  int result = cmd.ExecuteNonQuery();
  if (result >