How do I change a date such as "2/9/2011" to "20110902" [ie] yyyymmdd ? At first I thought I could use the substring function but I don't know how to insert the leading zero for month or day when it is necessary.Joe MIller
View 8 RepliesHow do I change a date such as "2/9/2011" to "20110902" [ie] to yyyymmdd ? At first I thought I could simply use the substring function but I don't know how to add the zeros for the month and day when necessary.
View 7 RepliesIs there a way to change the date format to YYYYMMDD? When I try and format it, it's just going and literally printing YYYYMMDD.
View 6 RepliesI have a datetime datatype field in mssql2005 database ...
which retrieves the date in gridview as .. 4/7/2011 12:00:00 AM
but i want it retrieve date as 7-Apr-2011
Not so long ago, I saw somewhere a solution how to check if string is date in yyyyMMdd format (i.e. if it can be converted to date if written in such format). I can't find it anymore but I think is had something to do with DateTime.TryParse method but I can't get it to work. I can get it to work if string is in dd/MM/yyyy format, but dont' know how to make it with yyyyMMdd format. If I'm not mistaken neither of DateTime.TryParse method parameters is for assigning date format...
View 5 RepliesI am trying to change MMDDYYYY to European format YYYYMMDD. I have this in my query:
"20" & Right([TABLE]![DATE],2) & Mid([TABLE]![DATE],3,2) & Left([TABLE]![DATE],2)
which gives me YYYYDDMM. Does anyone know to get the DD and MM switched so it reads YYYYMMDD?
when 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'm converting my date 01/June/2011 to FileTimeUTC so I'm getting a value of
129514186100000000
How do I convert it back to the date?
conversion 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..
am trying to get the following code to work:
Dim testString As String
testString = cbbxStartDt.SelectedValue.ToString("yyyyMMdd")
when doing so the code is being stoped and I get "InvalidCastException" error emssage:
Conversion from string "yyyyMMdd" to type 'Integer' is not valid.
If I do the following, then it works:
Dim testDate As Date
Dim testString As String
testDate = cbbxStartDt.SelectedValue
testString = testDate.ToString("yyyyMMdd")
This, returns the desired value: "20110103"
NB:
cbbxStartDt.SelectedValue.ToString returns: "03/01/2011 00:00:00"
So would it be possible that the problem comes from of the "time bit" : "00:00:00"?if, so is it the parsetime function which would allow to take into account only the time bit value of the combobox?
For some reason vb keeps changing my dates format and removes the 0s at first this wasnt a problem but it really messes up my sorting in my gridview.
Dim aftersubtraction As Date
aftersubtraction = departuredate.AddDays(-dates1.Text)
dates.Add(aftersubtraction.AddDays(-gracep.Text))
I am using dtpicker1 to select the date here is my code
[Code]...
Now the problem is this when i select the date from dtpicker1 it inserts the date in textbox in this format "07/12/11" but i need this format "07/12/2011"
MyRow = MyDT.NewRow()
MyRow(1) = rs2.Fields("Field29").Value.ToString
rs2.Fields("Field29").Value has values like "YYYYMMDD" in a string.how can i convert a "YYYYMMDD" string to a needed date format like 'dd mmm yy' (or any format)
We are running .NET 2.0 ASMX web services on Windows 2003 server on IIS 6.0. We have migrated a legacy VB 6.0 application to .NET 2.0 application using VB.NET. CDATE function is used at many places and we did not replace that with .NET equivalent date functions. After migration, code was working fine for many years.Recently, we have started encountering issues on our production servers where the below code fails:
CDATE("11 Jul 2011 21:10:27")
Error: Conversion from string "11 Jul 2011 21:10:27" to type 'Date' is not valid."If we perform an iisreset, the same code starts working fine. Could this be due to some recent patch for Windows server/ .NET patch?
I have two DatetimePickers on form1.
DatetimePicker2 is not enable.I want to auto change date of DatetimePicker2 on selecting a day in DateTimePicker1 by 3 days.
Example if i select MAY ,1,2011. in DateTimePicker1 then DateTimePicker2 must show Date as MAY,4,2011.
I have a calendar column which is generated on from load. Its value is assigned to todays date - for instance 04/04/2012
I also have a comboBox with a list of months.
Is there a way I can change the value of my calendar column to reflect the chosen month?
For example, if I select January from my comboBox then have the date as 01/01/2012.[code]...
It is supposed to change the forecolor if the listview date in the first column is less than label 3's date.
For ii = 0 To Me.ListView1.Items.Count - 1
Dim iInvoiceDate As ListViewItem = Me.ListView1.Items(ii)
If iInvoiceDate.ToString < Me.Label3.Text Then
[Code]....
No errors and all the variables are returning what i am expecting but it doesn't change the forecolor.
I am throwing some data out into Excel and am having some formatting troubles. I have 5 columns (date, time, a long number I don't want displayed in scientific notation - text is fine, text, text). I can get it all working with numberformat, however I have to do them different ways.
Date works this way cell.numberformat = "m/d/yy" and it formats it to say 3/1/11
Time works this way cell.numberformat = "h:mm AM/PM" and it formats it to say 8:07 AM
For the long number cell.numberformat = "@" and it doesn't change the format and it gets displayed in scientific notation
BUT if I use cell.style.numberformat = "@" it works as it should, but it messes up all of the date and time cells. Apparently when you use style.numberformat, it doesn't just apply to the cell you're working with. If I try using style.numberformat with the date and time formats, they don't change and are entered as if I didn't change the format at all.
i am using 2 Datetimepicker for mmddyyyy to yyyymmdd , change automatically , Is this the best Option ,there are 12 000 + lines to be converted ,
View 9 RepliesIs there any way I can convert a date of format: dd/mm/yyyy to yyyymmdd format? For example from : 25/07/2011 to 20110725? in VB.NET?
View 2 Repliesi am trying to convert mmddyyyy to yyyymmdd the dates are stored in a text file i thought of find and replace buy there are some errors?
View 1 RepliesHow to check if the folder is in the format yyyyMMdd
Example : I need to process the folders only with the format yyyyMMdd like folder name will be 20120518
I have a dataset containing a datatable, and I enumerate all rows in that datatable. When trying to format a column in that row, I run into an exception. (Part of) the code is:
For Each dr As DataRow In ds.Tables("records").Rows
file = dr("timestamp").ToString("yyyyMMdd") & "~.wav"
Next
This results in the following error message:
Conversion from string yyyyMMdd to type Integer is not valid. (translated from a Dutch error message to the English equivalent)
dr("timestamp").GetType.FullName results in "System.DateTime", so I don't understand why I run into this exception, as for example Now.ToString("yyyyMMdd") results in "20091002", and "Now" is of the same type as dr("timestamp"), "System.DateTime" that is.
i build my project and i made a copy of the windowsapplication1.exe and tried to open itwith txt editor.. i tried to search for "chris" (computer username) and i see that:[URL]
View 2 Repliesi cant change date value to the format which i want.This is my code.When i execute this code,i see mydate as mm/DD/yyyy format.what do i miss?
Dim dateString As String = Date.Now.ToString("dd.MM.yyyy")
Dim myDate As Date = Date.ParseExact(dateString, "dd.MM.yyyy", Nothing)
I have date in format dd/mm/yyyy. I have to change to mm/dd/yyyy in code behind of vb.
View 2 Repliesi have a datetimepicker with showcheckbox properties set to true..
when there is date in database, the checkbox is checked..
but when the database is null, the checkbox is unchecked..
here's the code:
Sub checkeddate() 'to set DateTimePicker.check (compare from database)
'if db is not null, then CheckBox is checked
If IsDBNull(DataSet.Tables("AssetMaster").Rows.Item(curPosition).Item(19)) = False Then
[Code]....
When I Save Date from Vb.net application into MSSql it is stored as a MM/DD/YYYY but i want to store date as a DD/MM/YYYY. Already I changed Regional settings as a DD/MM/YYYY but no use.
View 3 RepliesI have a textbox that reads its date value from xml file , I need to convert the date from dd/MM/yyyy to MM/dd/yyyy here is the ode I wrote :
[Code]...
Change a new day and date after clock shown 00:00:00 AM.
View 3 Replies