WebMay 27, 2011 · 0. I will add some additional conversion from string to DateTime to long. string timeString = "2016-08-04"; DateTime date = DateTime.Parse (timeString); long dateTime = date.Ticks; And here is the shorthand sort of speak: WebSince I got an instance which isn't null and if I compared to DBNULL I got Operator '==' cannot be applied to operands of type 'string' and 'system.dbnull' exeption, and if I tried to change to compare to NULL, it simply didn't work ( since DBNull is an object) even that's the accepted answer.. I decided to simply use the 'is' keyword. So the result is very readable:
error-cannot convert from
WebAug 14, 2015 · I believe it's caused by the line: if ( (get-date $file.LastWriteTime) -gt (get-date $LocalFile.LastWriteTime)) The error I'm getting is: Get-Date : Cannot convert 'System.Object []' to the type 'System.DateTime' required by parameter 'Date'. Specified method is not supported. WebJul 23, 2016 · Well yes, but you need to use the Value property to "un-null" it: int d3 = (int) (d1 - d2).Value.TotalDays; However, you should consider the possibility that either d1 or d2 is null - which won't happen in your case, but could in other cases. You may want: cityhotel neumarkt
c# - convert datetime to yyyy/MM/dd - Stack Overflow
WebOct 14, 2011 · Error1 'System.DateTime' does not contain a definition for 'tostring' and no extension method 'tostring' accepting a first argument of type 'System.DateTime' could be found (are you missing a using directive or an assembly reference?) Error2 The best overloaded method match for 'string.ToString (System.IFormatProvider)' has some … WebJan 7, 2016 · string [] formats = new string [] {"d/M/yyyy", "d-M-yyyy"}; //notice the dash DateTime biggest = lst .Select (x => DateTime.ParseExact (x.time, formats, //now use formats here System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AssumeLocal)) //to get the list of `string` of `time` … WebMar 5, 2024 · I want to convert a DateTime? to string. If a date is null then return "", else return a string format like this: "2024-03-05T07:52:59.665Z". The code is something like this but it won't work. It said "DateTime?" do not contain a definition for "ToUniversalTime". Someone know how to fix this? did billy mitchell cheat on pac man