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Socket File Transfer sending incomplete files in C#
byte[] fileData = File.ReadAllBytes(filePath + fileName);
            byte[] clientData = new byte[4 + fileNameByte.Length + fileData.Length];
            byte[] fileNameLen = BitConverter.GetBytes(fileNameByte.Length);

            fileNameLen.CopyTo(clientData, 0);
            fileNameByte.CopyTo(clientData, 4);
            fileData.CopyTo(clientData, 4 + fileNameByte.Length);

            curMsg = "Connection to server ...";
            clientSock.Connect(ipEnd);
            int count;
            curMsg = "File sending...";
            count = clientSock.Send(clientData);
            MessageBox.Show(count+" "+clientData.Length);

            curMsg = "Disconnecting...";
            clientSock.Close();

sock.Listen(100);

            curMsg = "Running and waiting to receive file.";
            Socket clientSock = sock.Accept();

            byte[] clientData = new byte[1024 * 5000];

            int receivedBytesLen = clientSock.Receive(clientData);
            curMsg = "Receiving data...";

            int fileNameLen = BitConverter.ToInt32(clientData, 0);
            string fileName = Encoding.ASCII.GetString(clientData, 4, fileNameLen);

            BinaryWriter bWrite = new BinaryWriter(File.Open(receivedPath +"/"+ fileName, FileMode.Append)); ;
            bWrite.Write(clientData, 4 + fileNameLen, receivedBytesLen - 4 - fileNameLen);

            curMsg = "Saving file...";

            bWrite.Close();
            clientSock.Close();