C# ผมทำสแกนลายนิ้วมืออยู่ของ sdk ผมอยากเก็บลายนิ้วมือลงใน appserv ควรแก้ตรงไหนจากโค๊สข้างล่าง ผมอยากแปลง byte ให้เป็น string แล้วโชว์ในtextbox แล้วผมจะเอาค่าจากtextboxเก็บลง database แล้วไว้ดึงจากdatabase เทียบกับลายนิ้วมือ

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Reflection;
using System.Threading;
using System.Data.OleDb;
using System.Collections;
using MySql.Data.MySqlClient;
namespace Biokey01
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            
        }
        private System.Timers.Timer showpicture = new System.Timers.Timer();

        bool isConnected;
         int FMatchType;
        int fpcHandle;
        

        object VerTemplate;
        //object RegTemplate;
        string izkfpver;

        private void button2_Click(object sender, EventArgs e)
        {
            if (rdb10.Checked)
            {
                axZKFPEngX1.FPEngineVersion = "10";                
            }
            else
                axZKFPEngX1.FPEngineVersion = "9";
            izkfpver = axZKFPEngX1.FPEngineVersion;
            axZKFPEngX1.SensorIndex = 0;
            if (axZKFPEngX1.InitEngine() == 0)
            {
                isConnected = true;
                fpcHandle = axZKFPEngX1.CreateFPCacheDB();
                statusBar1.Panels[1].Text = "Sensor Connected!";

                txtb1.Text = axZKFPEngX1.SensorCount.ToString();
                txtb2.Text = axZKFPEngX1.SensorIndex.ToString();
                txtb3.Text = axZKFPEngX1.ImageWidth.ToString();
                txtb4.Text = axZKFPEngX1.ImageHeight.ToString();
                txtb5.Text = axZKFPEngX1.SensorSN;

                FMatchType = 0;
                btnCloseSensor.Enabled = true;
                //groupBox5.Enabled = true;
                //groupBox3.Enabled = true;
            }
            else
            {
                txtb1.Text = "";
                txtb2.Text = "";
                txtb3.Text = "";
                txtb4.Text = "";
                txtb5.Text = "";
                isConnected = false;
                btnCloseSensor.Enabled = false;
            }

        }


 
        private void btnCloseSensor_Click(object sender, EventArgs e)
        {
            axZKFPEngX1.EndEngine();
            isConnected = false;
            //btnCloseSensor.Enabled = false;
            //groupBox5.Enabled = false;
            //groupBox3.Enabled = false;
        }

        private void btnbrowse_Click(object sender, EventArgs e)    //save FP image
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();
            Cursor = Cursors.WaitCursor;
            saveFileDialog1.FileName = "template";
            saveFileDialog1.Filter = "";
            
            
        }


        private void button2_Click_1(object sender, EventArgs e)
        {
            if (isConnected)
            {
                if (axZKFPEngX1.IsRegister)
                {
                    axZKFPEngX1.CancelEnroll();
                }
                axZKFPEngX1.EnrollCount = 1;                
                axZKFPEngX1.BeginEnroll();

            }
            else
                MessageBox.Show("No sensor connected", "error");
        }


        private void btnVerify_Click(object sender, EventArgs e)
        {
            if (txtbThreshold1.Text == "" || txtbThrehold2.Text == "")
            {
                MessageBox.Show("The 1:1Threhold and the 1:N Threhold can not be null!", "error!");
                return;
            }
            if (!isConnected)
            {
                MessageBox.Show("Please Initial sensor first!", "notice");
                return;
            }
            if (axZKFPEngX1.IsRegister)
            {
                axZKFPEngX1.CancelEnroll();
            }

            if (radioButton3.Checked)
            {
                FMatchType = 1;
            }
            else
            {
                FMatchType = 2;
            }
            axZKFPEngX1.BeginCapture();
        }


        private void axZKFPEngX1_OnCapture(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnCaptureEvent e)
        {
            VerTemplate = e.aTemplate;
            byte[] vertemplat = (byte[])VerTemplate;
            int score = 9;
            int processedFPNumber = 1;
            int ID;
            string tempstr;
            string Template = axZKFPEngX1.GetTemplateAsString();
            if (e.actionResult)
            {
                bool ddd = false;
                string temp;
                axZKFPEngX1.OneToOneThreshold = Convert.ToInt32(txtbThreshold1.Text);
                axZKFPEngX1.Threshold = Convert.ToInt32(txtbThrehold2.Text);
                temp = axZKFPEngX1.GetTemplateAsString();
                if (FMatchType == 1)
                {
                    try
                    {
                        FileStream stream1 = new FileStream(txtPass.Text.Trim() + "/" + txtfpID.Text.Trim() + ".dat", FileMode.OpenOrCreate, FileAccess.Read);
                        byte[] tmpbyte = File.ReadAllBytes(txtPass.Text.Trim() + "/" + txtfpID.Text.Trim() + ".dat");
                        object fuck = tmpbyte;
                        if (axZKFPEngX1.VerFinger(ref fuck, vertemplat, false, ref ddd))    //Ó¡¶ÈÉñÓÍ 
                        //if (axZKFPEngX1.VerFingerFromStr(ref Template, temp, false, ref ddd))
                        {
                            tempstr = "1:1 verify sucess,fingerID:" + txtfpID.Text.Trim();
                            statusBar1.Panels[2].Text = tempstr;
                        }
                        else
                        {
                            statusBar1.Panels[2].Text = "1:1 Verfy fail!";
                        }
                        Template = "";
                    }
                    catch
                    {
                        statusBar1.Panels[2].Text = "no such a number template!";
                    }

                    
                    
                }
                    if (FMatchType == 2)
                    {
                        ID = axZKFPEngX1.IdentificationInFPCacheDB(fpcHandle, VerTemplate, ref score, ref processedFPNumber);
                        if (ID > 0)
                        {
                            String connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=userinfo.mdb";
                            OleDbConnection css = new OleDbConnection(connString);
                            css.Open();
                            OleDbDataAdapter data1 = new OleDbDataAdapter("select * from userinfo where userid="+ID+"", css);
                            DataSet dt = new DataSet();
                            data1.Fill(dt, "f1");
                            string fingerid1 = (string)dt.Tables["f1"].Rows[0][1];
                            css.Close();
                            dt.Clear();
                            tempstr = "1£ºN verify success, fingerID:"+fingerid1;
                            statusBar1.Panels[2].Text = tempstr;
                        }
                        else
                            statusBar1.Panels[2].Text = "1:N Verify fail!";
                    }

                

            }

        }

        private void axZKFPEngX1_OnEnroll(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnEnrollEvent e)
        {
            //int i = 0;
            if (e.actionResult)
            {
               // RegTemplate = e.aTemplate;
                byte[] tmp = new byte[0];
                tmp =(byte[]) e.aTemplate;

              //  string sql2 = "INSERT INTO checkdate ";
              //  sql2 += "SET no = '" + ID + "',date = '" + textBox1.Text + "',time = '" + comboBox2.Text + "'";
              //  MySqlCommand cmd2 = new MySqlCommand(sql2, conn);
              //  cmd2.ExecuteNonQuery();
                
                
                try
                {
                    String connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=userinfo.mdb";
                    OleDbConnection css = new OleDbConnection(connString);
                    string sql = "insert into userinfo(fingerid) values('" + txtbIndex.Text.Trim() + "')";
                    OleDbCommand cmd = new OleDbCommand(sql, css);
                    css.Open();
                    int aa = cmd.ExecuteNonQuery();
                    css.Close();
                }
                catch
                {
                    statusBar1.Panels[2].Text = "This ID have existed!";
                    return;
                }
                String connString1 = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=userinfo.mdb";
                OleDbConnection css1 = new OleDbConnection(connString1);
                string sql1 = "select * from userinfo where fingerid='" + txtbIndex.Text.Trim() + "'";
                css1.Open();
                OleDbDataAdapter data11 = new OleDbDataAdapter(sql1, css1);
                DataSet dt = new DataSet();
                data11.Fill(dt, "f1");
                int UserID = (int)dt.Tables["f1"].Rows[0][0];
                css1.Close();
                dt.Clear();

                axZKFPEngX1.AddRegTemplateToFPCacheDB(fpcHandle, UserID, e.aTemplate);
                saveFileDialog1.Filter = "*.dat|*.dat";
                saveFileDialog1.FileName ="./template data/"+ txtbIndex.Text.Trim()+".txt";
                File.WriteAllBytes(saveFileDialog1.FileName, tmp);
               // tmp = Convert.ToString();
               // MessageBox.Show(tmp.ToString());
            }
        }

        private void axZKFPEngX1_OnImageReceived(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnImageReceivedEvent e)
        {
            
        }




        private void axZKFPEngX1_OnFeatureInfo(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnFeatureInfoEvent e)
        {
            string strTemp="FP Quality:";
            if (e.aQuality == 0)
            {
                strTemp = strTemp + "Qualified";
            }
            else
            {
                if (e.aQuality == 1)
                {
                    strTemp = strTemp + "Feature points not enough";
                }
                else
                    strTemp = strTemp + "Unqualified";
            }
            if (axZKFPEngX1.IsRegister)
                if (axZKFPEngX1.EnrollIndex != 1)
                    //strTemp := strTemp + #13+ 'Register status: still press finger ' + IntToStr(ZKFPEngX1.EnrollIndex-1) + ' time!';
                    strTemp = strTemp + "\r\n finger enroll:press finger " + (axZKFPEngX1.EnrollIndex - 1).ToString() + " times again";
                else
                    strTemp = strTemp + "\r\n finger enroll: success enroll";
            statusBar1.Panels[2].Text = strTemp;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
        }

        

        /* ~Form1()
        {
            showpicture.Elapsed -= new System.Timers.ElapsedEventHandler(showpicture_Elapsed);
        }
        */
         private void btnselect_Click(object sender, EventArgs e)
         {
             openFileDialog1.Filter = "*.dat|*.dat";
            openFileDialog1.FileName = "./";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                string filepaths = Directory.GetCurrentDirectory();
                txtPass.Text = filepaths;
            }
         }

         private void button1_Click(object sender, EventArgs e)
         {
             if (!isConnected)
             {
                 MessageBox.Show("Please Initial sensor first!", "notice");
                 return;
             }
             string path = txtPass.Text.Trim();
             string[] files = Directory.GetFiles("./template data", "*.dat*");
             if (files.Length != 0)
             {
                 foreach (string filename in files)
                 {
                     FileInfo inf = new FileInfo(filename);
                     string name = inf.Name;
                     int ddd = name.IndexOf('.');
                     string fingerid= name.Remove(ddd);
                     String connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=userinfo.mdb";
                     OleDbConnection css = new OleDbConnection(connString);
                     string sql = "select * from userinfo where fingerid='" + fingerid + "'";
                     css.Open();
                     OleDbDataAdapter data1 = new OleDbDataAdapter(sql, css);
                     DataSet dt = new DataSet();
                     data1.Fill(dt, "f1");
                     int count = dt.Tables["f1"].Rows.Count;
                     if (count == 0)
                     {
                         continue;
                     }

                     int  UserID = (int)dt.Tables["f1"].Rows[0][0];
                     css.Close();
                     dt.Clear();
                     FileStream stream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Read);
                     byte[] buffer = File.ReadAllBytes(filename);
                     axZKFPEngX1.AddRegTemplateToFPCacheDB(fpcHandle, UserID, buffer);
                 }
             }
         }

         private void radioButton4_CheckedChanged(object sender, EventArgs e)
         {

         }

         private void label11_Click(object sender, EventArgs e)
         {

         }

     }

}