Is there any way to get the date (from Today.Date/User input) to a whole number and then return it to a date string?Only way I have so far thought of is:[code]
View 11 RepliesI am debugging an application that I ported from Windows, to *nix, a little while ago. The app stores dates as doubles (using the OLE Date format). I need to be able to inspect the dates - as human readable strings. I cant find an online conversion tool, so I decided to roll my own.
I was originally going to write an OpenOffice function, but I think it would be more straightforward to use one of the .Net languages, to write a small console app that accepts the double as a parameter and prints the date string to the console.
I am relatively new to .Net (though I have dabbled with both C# and VB.Net in the past). Can anyone help with my main() function? - snippets in either VB.Net or C# will be equally useful.
Title pretty much says it all. How do I format the date of a dateandtimepicker to insert it into the SQL date datatype?
View 20 Replieshow I can ensure that conversion of a date to a string and a string to a date will give me the same date format.
For example:
Code:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim d As Date = Date.Now
[code].....
I'm actually only interested in the date part as the label text shows so f is more than I want.But also, the day and month are reversed.
I need a function that would return true if the date provided was a payday or date of next few weeks paydays.Paydays are every 14 days on a Friday (not twice a month).I tried several attempts, but don't have a clue where to start, except that the function needs a reference date to calculate from. [code]
View 16 RepliesI'm trying the fetch only the date within the current and return how many rows Dim dc as new dataclassesdatacontext dim q=from p in dc.worktime where p.name.equals(session("name") and p.date ).count what I should I put after "p.date" ? And if I want to search for the record which there are record that are insert five days earlier, how to do that ? use (datetime.now - 5) ?
View 3 RepliesI want to create a custom date type. I want to allow null values, and return a string to the user if no date if specified.
View 13 RepliesI am using VB.NET. Is there a date function that calculates the date based on the number of months I have given?
for example, if i say July 2009 and looking for 10 months back, it should return Sept 2008.
I am currently working on a custom data type, and wanted to implement a = operator.
I data type is a nullable date that returns a string value if date was supplied.
I want to allow the variable to be set like this
Dim nd as New NullableDate nd = Today Does anyone know how this can be done, or can anyone point me in the right direction?
So there's this accounting package at my client that spits out text-based reports with invalid dates, like February 31st or September 31st.The reports are formatted with spaces and mono-spaced fonts. The data that gets parsed out are fed into a more formal local SSRS report, and that's about all you need to know.
What I am interested in fixing is the situation where a date is invalid and can't be converted into a DateTime struct. The date format from the report is "MMM-dd-yy" (e.g. "Feb-30-10"). The date strings need to be fixed before being shown in the formal report. I've seen this done two ways in my time as a developer, and I want to come up with a cleverer way of doing it (if there isn't a built-in way I don't know about).The first bad method (I can't believe I'm even showing you!):
Dim month As Integer = <Parse out the month from the bad date string>
Dim day As Integer = <Parse out the day from the bad date string>
Dim year As Integer = <Parse out the year from the bad date string>
Dim validDate As DateTime
[code]....
I am using SSIS and I need to transform a date. How can I transform a date in String format (e.g. 14/09/1980) to the same but in date format in VB.NET?
I would like the datetime format to insert it into a SQL database.
I have a string that holds a value in the format of ddMMyyhhmmss.
Example 240512024707
I need to be able to convert this date to a real .NET Date object.
I am currently using CDate but it seems CDate does not recognize the format, is there any way of specifying the string format to CDate ???
row.Item("NoteDate") = CDate(n.noteText.Substring(0, 12).ToString).ToString("dd/MM/yyyy hh:mm:ss")
I have a date in the future e.g. 13/10/2008 I need to subtract the current date (today is the 28/09/2010) minus 7 days, so thats 21/09/2010 minus 13/10/2008, which would equal erm, 720 something ? But the current date won't always be 28/09/2010, obviously. I need the code for this. EDIT: When i said future I mean past :)
View 3 RepliesI'm using date in the format dd-mm-yyyy and I need to convert a string inthis format to a date type.My string is "18-01-2010" but when I do the conversion using dim TargetDate as date=CDate(TgDstr).where TgDstr is "18-01-2010", the resutant TargetDate, as note in the debugger window, is #1/18/2010# rather than #18/1/2010# which I expected.What change in code should I made to get the desired result?
(P.s. I've checked the current culture with the following line of code:
Dim str As String = CultureInfo.CurrentCulture.Name and get the result 'zh-HK'... and the date-time format I find in the control panel is also in dd-mm-yy format)
I have a date, as a Date type and a time, as a String and I want to combine the two into a Date type. ie. #2/11/2011# & "13:55:27" = #2/11/2011 1:55:27 PM#. How can I do this?
View 2 Replieswhen i am trying this Date.Compare(Format(DateTimePicker1.Value.Date, "dd/MM/yyyy"), Convert.ToDateTime(dr(1))) < 0 it gives an error message as "Conversion from string "23/06/2011" to type 'Date' is not valid."where dr(1) is database field in text format as 29/3/2011 (dd/mm/yyyy) .
View 3 Repliesi cant seem to create a datetime object in vb.net with datetime string that's in this format "hh:mm:ss tt MM/dd/yy".The error im getting says its not a recognisable string datetime format.
View 15 RepliesI did a clean install and tried to get the project running again. The code ... AlteredDate = SelectedDay & "/" & SelectedMonth & "/" & SelectedYear would always work defaulting to DD/MM/YYYY before the clean install. The program now runs an error "Conversion from string "13/8/2009" to type Date is not valid.. How do I change the default back to DD MM YYYY or format it to that?
View 3 Repliesconversion of date
if i used -- Date.parse("28/01/2011")
it gives me error as "String was not recognized as a valid DateTime."
so then i modify above code as -- CDate("28/01/2011").it gives me error as "Cast from string "28/01/2011" to type 'Date' is not valid." I used convert.todatetime also date.parseexact but nothing is working..
I created a monthcalendar usercontrol and calling it from a parent form (in this case, click on button to populate the textbox beside it). Two questions.
1. How do I return the selected date back to the parent textbox?
2. How do I bring the monthcalendar usercontrol to the front and back of other objects?
i have this XML and i want to sort all the MESSAGE/DATA/TRANSACTIONS/TRANSACTION With XSLT by "POSTED-DATE" and return the sorted XML to work with.
i have hours reading about XSL and trying to do that but it doesnt work.
<DATA RESULT="TRUE">
<ACCOUNT NUMBER="MyNumber" CURRENCY="MyCurrency" TYPE="MyType" />
<TRANSACTIONS>
[Code].....
I have following code (in VBA, excell) for calculating a date.I have variable for yeay, weeknumber and daynumber from week, now i wanna calculate the exact date. [code] But when i place this code in vb.net don't get the correct month.It displays correctly the year, day and daynumber but is displays the month as '00'. What do i have to change?
View 2 RepliesI have dates I am reading from a database, when I format the dates and there is a blank date I have a dbnull error...
What is the correct syntax to say
IF txtOrderDate = DBNull
then
txtOrderDate = ''
ElseIf
txtOrderDate <> DBNull (return the formatted date)
' Populate Header
[Code] .....
I am building an application where a button click runs a sql query and shows a user the next available date that they can process from. The problem was that it needed to be the following Sunday and not the following day.That code looked like this:
Public Class Form1
Dim ReturnValue As Object = Nothing
Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim connectionString As String
[code]....
"select payrolldate from payroll where(payrolldate <= getdate())and payrollran <> 'yes'")but when I add that query it just returns a value of 1/1/0001 as the date.
I have a textbox that get the date from the system itself, is working good and I have another textbox that will get the date that the person needs to bring the Book back. I wont the person to type the date but the program do it automatically (something like 20/04/2009 + four days=24/04/2009) automatically, something like if the person took the book on todaydate(20/04/2009) the function add more 3 days and display on textboxreturn( 24/04/2009). I don't want the person to type the return date, but to build a function that do it....
0&1Bytes
i have 2 datetimepicker which are startdatedatetimepicker and enddatedatetimepicker.. the start date should not be more than end date..thus i need to check these two date.. here is my code...
[Code]...
I have a date time as a string, eg. "2010-08-02", I'm trying to convert it to UTC with the following code snippet..DateTime.ParseExact("2010-08-02Z", "yyyy-MM-ddZ", CultureInfo.InvariantCulture)When I print to the console, I get the following: 8/1/2010 5:00:00 PM.Is there a reason why the date shows up as the date before the date I'm trying to parse? I could just add a day to this to advance to the original day.
View 3 RepliesI am trying the following to select a long date, but becase the value is stored in SQL database as DateTime I am unable to return any results unless minutes and seconds match perfectly...I then tried to use 2 calendars and have the same issue with the DateTime format..
CODE:
need simple code vb.net code tht uses issue date and return date to calculate fine but doesnt use datetimepicker tool..
View 1 RepliesI am using OleDb, trying to do this:
Dim d as Date = DateSerial(Year(rptDate), Month(rptDate), 1 - 1)
Dim conn as OleDbConnection = new OleDbConnection(connStr)
Dim cm as OleDbCommand = new OleDbCommand()
[code]....
I know that d is the same date as the one in SQL server, specifically 3/31/2011 12:00:00 AM.