题目

英语翻译
Server Error in '/' Application.
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String was not recognized as a valid DateTime.
Description:An unhandled exception occurred during the execution of the current web request.Please review the stack trace for more information about the error and where it originated in the code.
Exception Details:System.FormatException:String was not recognized as a valid DateTime.
Source Error:
An unhandled exception was generated during the execution of the current web request.Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[FormatException:String was not recognized as a valid DateTime.]
System.DateTimeParse.Parse(String s,DateTimeFormatInfo dtfi,DateTimeStyles styles) +2835862
System.Convert.ToDateTime(String value) +98
Richinfo.Web.SMS.UserControl.DateAndTimeDropDownList.GetDate() +266
Richinfo.Web.SMS.UserControl.DateAndTimeDropDownList.get_Text() +48
Richinfo.Web.SMS.Sms.Module.Send.btnSend_Click(Object sender,EventArgs e) +410
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +111
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +110
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl,String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint,Boolean includeStagesAfterAsyncPoint) +1565
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Version Information:Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082

提问时间：2020-10-09

答案

中的服务器错误' / '应用.-------------------------------------------------- ------------------------------ 字符串不被确认为有效的日期时间.描述：未处理的例外发生在执行当前Web请求.请检查堆栈跟踪的更多信...