ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.
One of a set of tools we're offering as a way to say thank you for being a part of the community.
Solved
Cannot perform '<' operation on System.DateTime and System.Double.
Posted on 2012-12-28
Cannot perform '<' operation on System.DateTime and System.Double.
dvholidays = New DataView(dtholidays, "Date <" & enddate.AddDays(1).ToShortDateString & " and Date >" & startdate.AddDays(-1).ToShortDateString & "", "", DataViewRowState.CurrentRows)
2 Comments
if you check the string you build, you would see that it would be a "math expression"
you need to put quotes:
this will resolve the error, but it will eventually result in bad results if the comparison of the values is not "expected".
see this article:
http://www.experts-exchange.com/Database/Miscellaneous/A_1499-DATE-and-TIME-don%27t-be-scared-and-do-it-right-the-first-time.html
it's not about data views, so it won't show the relevant solutions, but ideas to think at least.
as I indicated in your previous question, you may need to solve this differently.
make so that the "date" field in the dataset is returned as string in the format 'YYYYMMDD' to make your > and < conditions to work ...
you need to put quotes:
dvholidays = New DataView(dtholidays, "Date < '" & enddate.AddDays(1).ToShortDateString & "' and Date > '" & startdate.AddDays(-1).ToShortDateString & "' ", "", DataViewRowState.CurrentRows)
this will resolve the error, but it will eventually result in bad results if the comparison of the values is not "expected".
see this article:
http://www.experts-exchange.com/Database/Miscellaneous/A_1499-DATE-and-TIME-don%27t-be-scared-and-do-it-right-the-first-time.html
it's not about data views, so it won't show the relevant solutions, but ideas to think at least.
as I indicated in your previous question, you may need to solve this differently.
make so that the "date" field in the dataset is returned as string in the format 'YYYYMMDD' to make your > and < conditions to work ...
Featured Post
Question has a verified solution.
Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.
Have a better answer? Share it in a comment.
Join & Write a Comment Already a member? Login.
International Data Corporation (IDC) prognosticates that before the current the year gets over disbursing on IT framework products to be sent in cloud environs will be $37.1B.
The PowerShell Core 6.0 of .NET release is just the beginning. The upcoming PowerShell Core 6.1 would have artificial intelligence and internet of things capabilities. So many things to look forward to in the upcoming release.
When you have multiple client accounts to manage, it often feels like there aren’t enough hours in the day. With too many applications to juggle, you can’t focus on your clients, much less your growing to-do list. But that doesn’t have to be the cas…
Watch the software video of Kernel Import PST to Office 365 tools which can easily import PST and OST files to Office 365 for bulk mailboxes. The process of migration is simple and user can map source and destination mailboxes and easily import data…
Suggested Courses
Course of the Month10 days, 2 hours left to enroll
606 members asked questions and received personalized solutions in the past 7 days.
Join the community of 500,000 technology professionals and ask your questions.