【问题标题】:LoadControl, usercontrol in WebMethodLoadControl,WebMethod中的用户控件
【发布时间】:2013-04-19 02:53:00
【问题描述】:

我正在尝试通过WebMethod 发送电子邮件以下是我通常在常规回帖中使用的代码

[WebMethod]
public static void SendEmail(string name, string phone, string emailaddress, string interest, string comments)
{
    var control = LoadControl("~/Shared/Controls/EmailTemplate_PartnerWithUs.ascx");

    StringBuilder sb = new StringBuilder();
    StringWriter sw = new StringWriter(sb);
    Html32TextWriter htw = new Html32TextWriter(sw);

    control.RenderControl(htw);

    sb.Replace("%name%", name);
    sb.Replace("%phone%", phone);
    sb.Replace("%emailaddress%", emailaddress);
    sb.Replace("%interest%", interest);
    sb.Replace("%comments%", comments);
    EmailUtility.SendEmailMessage(SettingsManager.GetContactRecipientEmails(), "CoyleHomeBuyers.com Partner Form", sb.ToString());
}

我得到的错误是:

An object reference is required for the non-static field, method, or property 'System.Web.UI.TemplateControl.LoadControl(string)'

有没有办法在 WebMethod 中加载这个控件?

【问题讨论】:

    标签: c# asp.net user-controls webmethod


    【解决方案1】:
    UserControl uc= new UserControl();
    Control control = uc.LoadControl("~/Shared/Controls/EmailTemplate_PartnerWithUs.ascx");
    

    【讨论】:

    • 完美,我以前做过一次但找不到,知道它很简单。
    【解决方案2】:

    您需要将其转换为控件类型。

    例如:

    Email_PartnerWithUs control = (Email_PartnerWithUs)LoadControl("~/Shared/Controls/EmailTemplate_PartnerWithUs.ascx");
    

    请看这里: http://msdn.microsoft.com/en-us/library/system.web.ui.templatecontrol.loadcontrol(v=VS.71).aspx

    【讨论】:

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