How Do I Save Images Into Sql Database?

string connetionString = null;

            //string sql = null;
            string name = "";
            string pass = "";

            connetionString = "Data Source=PD-JANAKAN;Initial Catalog=VisaDb;User ID=Madushan;Password=P@19861030";


            using (SqlConnection conn = new SqlConnection(connetionString))
            {

                conn.Open();

                String Usr = ReferClass.Uname;


                string selectStmt = "select UserId from VisaUserLog where UserName = @Usr";

                using (SqlCommand cmd2 = new SqlCommand(selectStmt, conn))
                {
                    cmd2.Parameters.AddWithValue("@Usr", UserName.Text);
                    SqlDataReader myReader = cmd2.ExecuteReader();
                    while (myReader.Read())
                    {
                        //int ID = myReader.GetInt32(0);
                        int UsrId = (int)myReader["UserId"];
                        ReferClass.UserId = UsrId;
                    }
                    myReader.Close();
                    ((IDisposable)myReader).Dispose();
                }

                string cmdInsert = "insert into Visa_UsrDataBase(User_Id, Visa_Country, Cust_Name, Pass_No, Exp_Date, Collect_Date, Assign_by, Collectd_Prson, Visa_Type, Uplad_Doc, Uplad_Image) value (@Uid,@Vcountry,@Cusname,@PassNo,@ExpDate,@CollectDate,@Assigned,@CollectPerson,@VisaType,@Upladpic,@UpladDoc)";

                using (SqlCommand cmd = new SqlCommand(cmdInsert, conn))
                {
                    cmd.Parameters.AddWithValue("@Uid", ReferClass.UserId);
                    cmd.Parameters.AddWithValue("@Vcountry", VisaCountry.SelectedText);
                    cmd.Parameters.AddWithValue("@Cusname", CustName.Text);
                    cmd.Parameters.AddWithValue("@PassNo", PassNo.Text);
                    cmd.Parameters.AddWithValue("@ExpDate", SqlDbType.Date).Value = expData.Value;
                    cmd.Parameters.AddWithValue("@CollectDate", SqlDbType.Date).Value = colData.Value;
                    cmd.Parameters.AddWithValue("@Assigned", AssignedPerson.Text);
                    cmd.Parameters.AddWithValue("@CollectPerson", ColPerson.Text);
                    cmd.Parameters.AddWithValue("@VisaType", VisaPerson.Text);
                    cmd.Parameters.AddWithValue("@Upladpic", System.Data.SqlDbType.Image).Value = this.pictureBox1;
                    //cmd.Parameters.AddWithValue("@UpladDoc", System.Data.SqlDbType.Image).Value = this.m_barrImg;

                    cmd.ExecuteNonQuery();

                    MessageBox.Show("Success");
                }


                conn.Close();

byte[] Picture;

                Picture = File.ReadAllBytes(ReferClass.PicturePath);


conn.Open();

string cmdInsert = "insert into Visa_UsrDataBase(User_Id, Visa_Country, Cust_Name, Pass_No, Exp_Date, Collect_Date, Assign_by, Collectd_Prson, Visa_Type, Uplad_Doc, Uplad_Image) value (@Uid,@Vcountry,@Cusname,@PassNo,@ExpDate,@CollectDate,@Assigned,@CollectPerson,@VisaType,@Upladpic,@UpladDoc)";

                using (SqlCommand cmd = new SqlCommand(cmdInsert, conn))
                {
                    cmd.Parameters.AddWithValue("@Uid", ReferClass.UserId);
                    cmd.Parameters.AddWithValue("@Vcountry", VisaCountry.SelectedText);
                    cmd.Parameters.AddWithValue("@Cusname", CustName.Text);
                    cmd.Parameters.AddWithValue("@PassNo", PassNo.Text);
                    cmd.Parameters.AddWithValue("@ExpDate", SqlDbType.Date).Value = expData.Value;
                    cmd.Parameters.AddWithValue("@CollectDate", SqlDbType.Date).Value = colData.Value;
                    cmd.Parameters.AddWithValue("@Assigned", AssignedPerson.Text);
                    cmd.Parameters.AddWithValue("@CollectPerson", ColPerson.Text);
                    cmd.Parameters.AddWithValue("@VisaType", VisaPerson.Text);
                    cmd.Parameters.AddWithValue("@Upladpic", System.Data.SqlDbType.Image).Value = Picture;
                    //cmd.Parameters.AddWithValue("@UpladDoc", System.Data.SqlDbType.Image).Value = this.m_barrImg;

                    cmd.ExecuteNonQuery();

                    MessageBox.Show("Success");
                }


                conn.Close();