这是我的代码..
var client = new SendGridClient(SendGridEmailEntity.Key);
var from = new EmailAddress(SendGridEmailEntity.Mail, SendGridEmailEntity.DisplayName);
var subject = templateRecord.EmailFrm.SubjectName;
var to = new EmailAddress(activeQueueEntities[i].EmailId, activeQueueEntities[i].Name);
var plainTextContent = "";
var htmlContent = templateRecord.TemplateContent;
var msg = MailHelper.CreateSingleEmail(发件人、收件人、主题、plainTextContent、htmlContent);