为输入编码HTML

我已经为客户创建了一个表单，用于从站点请求信息。然后表单使用Webmail.Send向我发送电子邮件。如果用户试图输入部分或全部html开始标记，站点将抛出错误，即“如果允许用户在表单提交中发布html，则必须使用

Request.Unvalidated（）

引用表单字段值，以防止ASP.NET请求验证生效（这将导致您报告的错误消息）:

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您会遇到什么错误？这是错误的第一部分：[HttpRequestValidationException（0x80004005）：一个潜在的危险请求。从客户端检测到表单值（firstName=”变量“firstName”时发生错误”正在声明并设置为表单中的值。谢谢Mike，成功了！我向其中添加了使任何HTML或HTML“类似”字符通过。var firstName=HTML.Encode（Request.Unvalidated（“firstName”））

    var customerEmail = Request["customerEmail"];
    var firstName = Request["firstName"];
    var lastName = Request["lastName"];
    var phoneNumber = Request["phoneNumber"];
    var customerRequest = Request["customerRequest"];
    var rAddress = Request["rAddress"];
    var rCity = Request["rCity"];
    var rState = Request["rState"];
    var rZip = Request["rZip"];

    try
        {
            WebMail.Send(to:"request@yourdomain.com", subject: "Request from " + customerEmail, body: 
            "Request:<br>_____________________________________<br><br>" +
            customerRequest + "<br><br>Contact Info:<br>_____________________________________<br><br>" + Html.Encode(firstName)  + " " + lastName + "<br>" + rAddress + 
            "<br>" + rCity + " " + rState + " " + rZip + "<br>" + phoneNumber + "<br>" + customerEmail, replyTo: customerEmail);
        }
    catch (Exception ex )
        {
            <text>@ex</text>
        }

var firstName = Request.Unvalidated("firstName");
var lastName = Request.Unvalidated("lastName");