gistfile1.cs

public List<ContactUsBizFormData> GetContactUsData()
    {
        using (SqlConnection sqlconn = new SqlConnection(ConfigurationManager.ConnectionStrings["CMSConnectionString"].ConnectionString))
        {
            var sqlCommand = new SqlCommand();
            sqlCommand.Connection = sqlconn;
            sqlconn.Open();

            var sqlReader = sqlCommand.ExecuteReader();

            var contactUsData = new List<ContactUsBizFormData>();

            while (sqlReader.Read())
            {
                var contactUsDataItem = new ContactUsBizFormData
                {
                    ContactUsID = int.Parse(sqlReader["ContactUsID"].ToString()),
                    FirstName = sqlReader[1].ToString()
                };
                contactUsData.Add(contactUsDataItem);
            }

            sqlconn.Close();
        }
    }