public void LogRequest(string requestor, string messageBody)
        {
            using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["MyConnectionString"].ConnectionString))
            {
                conn.Open();
                SqlCommand cmd = new SqlCommand("wp_InsertRequest", conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("Requestor", requestor));
                cmd.Parameters.Add(new SqlParameter("EmailBody", messageBody));
                cmd.ExecuteNonQuery();
            }
        }

Simple insert SPROC call

C#