unable to save Total_one_four, Total_five_six, Net_claim, Claim_dDate values using asp c#
namespace TourPro
{
    public partial class one : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
        string str;
        SqlCommand com;
        protected void Page_Load(object sender, EventArgs e)
        {
            {
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from two";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox1.Text = reader["Amt"].ToString();
            }
            {    
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from two";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox2.Text = reader["Amt"].ToString();
            }
            {
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from Sec_four";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox3.Text = reader["amount_hotel"].ToString();
            }
            
            {
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from Sec_four";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox6.Text = reader["amount_hotel"].ToString();
            }
            {
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from Sec_four";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox4.Text = reader["amount_hotel"].ToString();
            }
            {
                SqlConnection con = new SqlConnection(strConnString);
                con.Open();
                str = "select * from Sec_four";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                reader.Read();
                TextBox7.Text = reader["amount_daily_allowance"].ToString();
            }
        }
       
        protected void Button3_Click(object sender, EventArgs e)
        {
            using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ConnectionString))
            {
                using (SqlCommand cmd = new SqlCommand("INSERT INTO one VALUES(@Journey_fares,@Conve_carges,@Accomm_charges,@Dally_allowance,@Total_one_four,@Corporate_centre,@From_project,@Total_five_six,@Net_claim,@Claim_dDate)", con))
                {
                    cmd.CommandType = CommandType.Text;
                    cmd.Parameters.AddWithValue("@Journey_fares", TextBox1.Text.Trim());
                    cmd.Parameters.AddWithValue("@Conve_carges", TextBox2.Text.Trim());
                    cmd.Parameters.AddWithValue("@Accomm_charges", TextBox3.Text.Trim());
                    cmd.Parameters.AddWithValue("@Dally_allowance", TextBox4.Text.Trim());
                    cmd.Parameters.AddWithValue("@Total_one_four", TextBox5.Text.Trim());
                    cmd.Parameters.AddWithValue("@Corporate_centre", TextBox6.Text.Trim());
                    cmd.Parameters.AddWithValue("@From_project", TextBox7.Text.Trim());
                    cmd.Parameters.AddWithValue("@Total_five_six", TextBox8.Text.Trim());
                    cmd.Parameters.AddWithValue("@Net_claim", TextBox9.Text.Trim());
                    cmd.Parameters.AddWithValue("@Claim_dDate", TextBox10.Text.Trim());
            
                    con.Open();
                    cmd.ExecuteNonQuery();
                    con.Close();
                    
                    TextBox1.Text = string.Empty;
                    TextBox2.Text = string.Empty;
                    TextBox3.Text = string.Empty;
                    TextBox4.Text = string.Empty;
                    TextBox5.Text = string.Empty;
                    TextBox6.Text = string.Empty;
                    TextBox7.Text = string.Empty;
                    TextBox8.Text = string.Empty;
                    TextBox9.Text = string.Empty;
                }
            }
        }