请帮帮我 [英] Please help me out for same
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问题描述
大家好。
下面是我的C#代码,我使用一些离线工具从VB翻译,但我面临'DateDiff'上下文错误
以下是我的C#代码
< span class =code-keyword> if (dateok& timeok)
{
System.DateTime thislesson_datetime = default ( System.DateTime的);
if (!string.IsNullOrEmpty(Request [ form_lesson_time $ form_dropdown__Hour]))
{
thislesson_datetime = Convert.ToDateTime(Request [ form_lesson_date] + + Request [ form_lesson_time $ form_dropdown__Hour] + : + Request [ form_lesson_time $ form_dropdown__Minute] + +请求[ form_lesson_time $ form_dropdown__AMPM跨度>]);
}
else
{
thislesson_datetime = Convert.ToDateTime(Request [ form_lesson_date] + + Request [ form_lesson_time]);
}
if (DateDiff(DateInterval.Hour,thislesson_datetime,fixed_Now)> 0 & String .Len( String .Trim(Request [ form_lesson_notes])) < 50 )
{
errors + = < span class =code-string>
请输入详细的课程笔记。;
}
}
错误:
if(DateDiff(DateInterval.Hour,thislesson_datetime,fixed_Now)> 0& String.Len(String.Trim(Request [form_lesson_notes]))< 50)
错误名称:名称'DateDiff'确实在当前上下文中不存在。
你们都被请求帮我排序这个错误
解决方案
form_dropdown__Hour ]))
{
thislesson_datetime = Convert.ToDateTime(Request [ form_lesson_date ] + + Request [ form_lesson_time
form_dropdown__Hour] + : + Request [ form_lesson_time
form_dropdown __Minute] + + Request [ form_lesson_time
Hello all
Below is my C# code which I translate from VB using some one offline tool but am facing an 'DateDiff' Context error in it
Below is my C# code
if (dateok & timeok)
{
System.DateTime thislesson_datetime = default(System.DateTime);
if (!string.IsNullOrEmpty(Request["form_lesson_time$form_dropdown__Hour"]))
{
thislesson_datetime = Convert.ToDateTime(Request["form_lesson_date"] + " " + Request["form_lesson_time$form_dropdown__Hour"] + ":" + Request["form_lesson_time$form_dropdown__Minute"] + " " + Request["form_lesson_time$form_dropdown__AMPM"]);
}
else
{
thislesson_datetime = Convert.ToDateTime(Request["form_lesson_date"] + " " + Request["form_lesson_time"]);
}
if (DateDiff(DateInterval.Hour, thislesson_datetime, fixed_Now) > 0 & String.Len(String.Trim(Request["form_lesson_notes"])) < 50)
{
errors += "
Please enter detailed lesson notes.";
}
}
Error:
if (DateDiff(DateInterval.Hour, thislesson_datetime, fixed_Now) > 0 & String.Len(String.Trim(Request["form_lesson_notes"])) < 50)
Error Name: The name 'DateDiff' Does not exist in current context.
You all are requested to help me sort this error
解决方案
form_dropdown__Hour"])) { thislesson_datetime = Convert.ToDateTime(Request["form_lesson_date"] + " " + Request["form_lesson_time
form_dropdown__Hour"] + ":" + Request["form_lesson_time
form_dropdown__Minute"] + " " + Request["form_lesson_time
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