Question Help with Sql Server

[tzahi2010]

this is my code:

            SqlDataAdapter da = new SqlDataAdapter();
            SqlConnection sqlcon = new SqlConnection(@"Data Source=TZAHI-PC\SQLEXPRESS;Initial Catalog=RegisterDb;Integrated Security=True");
            DataBinder ds = new DataBinder();

            sqlcon.Open(); 
            SqlCommand sqlcmd = new SqlCommand("INSERT INTO Table1 (username, password, repassword, email, reemail , name , age) VALUES (@username,@password,@repassword,@email,@reemail,@name,@age)");
            sqlcmd.Parameters.AddWithValue("@username", usernametb.Text);
            sqlcmd.Parameters.AddWithValue("@password", passtb.Text);
            sqlcmd.Parameters.AddWithValue("@repassword", rpasstb.Text);
            sqlcmd.Parameters.AddWithValue("@email", emailtb.Text);
            sqlcmd.Parameters.AddWithValue("@reemail", remailtb.Text);
            sqlcmd.Parameters.AddWithValue("@name", nametb.Text);
            sqlcmd.Parameters.AddWithValue("@age", agetb.Text);
            sqlcmd.Connection = sqlcon;
            sqlcmd.ExecuteNonQuery();
            sqlcon.Close();

and it doesnt get registered
u know why?