示例#1
0
    /// <summary>
    /// generate and inseret respondent data(ip, date) to the database using the respondent id
    /// </summary>
    /// <param name="r_id">provided by method call</param>
    /// <returns> returns true if success; else false </returns>
    public bool AddRespondent(int r_id)
    {
        DateTime today = DateTime.Today;
        Const    cons  = new Const();

        try
        {
            using (SqlConnection conn = new SqlConnection(Const.DbConnStr))
            {
                conn.Open();
                SqlCommand addRespondent = conn.CreateCommand();
                addRespondent.CommandText = "INSERT INTO dbo.Respondents(r_id,ip_ad,r_date) VALUES(@RID,@IP,@DATE)";
                addRespondent.Parameters.AddWithValue("@RID", r_id);
                addRespondent.Parameters.AddWithValue("@IP", cons.GetIPAddress());
                addRespondent.Parameters.AddWithValue("@DATE", today);
                addRespondent.ExecuteNonQuery();
                return(true);
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
        return(false);
    }