VS 2008 Converting Date Value Suitable For Use In Label
May 19, 2009
Code as follows:
[Code]...
it's telling me that I cannot show the DateTimePicker1 value in the label because the types are different. How do I tell the label to convert the date format for display? I've tried .string() but it didn't like that.
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Apr 8, 2010
Title pretty much says it all. How do I format the date of a dateandtimepicker to insert it into the SQL date datatype?
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Apr 24, 2009
I'm having some trouble converting the format of a date in .NET 2008...
Dim currMonth As Date
currMonth = Format(Now, "mmm")
From this code, I need to extract today's date in the format of "mmm" (so it should return.. "Apr")This worked in vb6 but not in .Net, I keep getting some sort of conversion error.. I looked at using theformatdatetime option but it doesnt have the format that I need... only short date/long date...that kind of thing.
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Jan 15, 2010
I use following codes to to convert string to date. In messagebox it displays correct date with format but in textbox it displays only #12:00:00 AM #. How to send date to textbox1 from variable mydate.
Dim mydate As Date
Dim dateString = "31/12/2009"
Dim formats As String() = {"dd/MM/yyyy", "dd/MM/yyyy"}
Dim dateObject As DateTime = DateTime.ParseExact(dateString, formats, System.Globalization.CultureInfo.InvariantCulture, Globalization.DateTimeStyles.NoCurrentDateDefault)
MessageBox.Show(dateObject.ToString("dd/MM/yyyy"))
Me.TextBox1.Text = mydate
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Jul 28, 2009
I want to receive a date from the user and convert this date to filetime.I understand the System.Runtime..FILETIME data structure as
dwLowDateTime
dwHighDateTime
[code].....
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Dec 25, 2009
Is it possible to put a label on a form and automatically have it removed after a certain date?
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Jul 12, 2009
Assign the current Date to a label.
Example, if the current date was 25th December. Then the lblDate.Text property will be set to 25.
Also, how would you do this to get the month, but only the first three letters of the month?
Using the example above, the lblDate.Text property will be set to Dec.
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Aug 11, 2009
How do I approach this? I'm wondering how I could write a new date to a label every four weeks. If I establish a start date, saved somewhere, I need the label to say 'Your next payment is due on: (a Friday, every four weeks ahead). Is there some way to use the date time picker using date difference? I would like this to continue updating so it shows a new payment date every fourth Friday. My difficulty is that the calculation is 13 payments a year, not 12 so I cannot just pick the same date each month.
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Oct 23, 2009
how do i display the time and date using a label? I have the time displayed in a timer tick like this : label7.text = timeofday() But i cant seem to get both time and date up
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Jun 16, 2010
I have string that contains "1.3" and I am checking with Date.TryParse method. It automatically converting into "1/3/2010". How to handle this?
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May 1, 2010
I'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)
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May 3, 2010
I have a problem. I'm making a alarm clock and I need a way of converting a "dd/MM/yyyy HH:mm:ss" format into a date time format. This means I'll be able to compare the dates in a listbox using the for each function, to the current date and see whever it has passed and therfore the alarm should be deleted. It is currently in a string form so I can't use < and > to compare it to the current date as that is in a date form. I've tried using CDate but it doesn't work as it only will convert these formats:
"August 12, 2004", "2:07:30 PM" and "August 12, 2004 2:07:30 PM"
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Jun 10, 2009
Im trying to write this converter with VB.NET...
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Apr 26, 2010
This should be really simple and I figured out how to do it in VBA but it's different in .NET. I have a 3 digit Julian date that I would like converted to a regular date (Gregorian). So if the number is 91, then that means April 1st (non-leap year) and if it's 304 then that means October 31st (also non-leap year). In VBA I was using the Day and Month functions to help me get an output to make it mm/dd format.
[Code]...
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Mar 16, 2009
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.
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Jan 25, 2011
I am using this datetimepicker by Trent Richardson, I can get the date time picker to work, however after the date is changed i need it to be put into a hidden asp.net control that is in an update panel. So how can i make it so everytime the user changes the date and time it is sent to a label. url...
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Nov 3, 2010
I am writing a tic-tac-toe game. The part of the code that I am having trouble with is randomly populating an "O" if the computer cannot win or block.
The code I have is;
Dim square As Integer = 6
Dim middle As Object = "grid" & square
Dim grid As Label
[Code]....
Unable to cast object of type 'System.String' to type 'System.Windows.Forms.Label'
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Mar 28, 2011
Currently using VS2008, VB.NET, SQL.
I have a FormView from a Data Source that is getting some fields that are stored as Decimals in the SQL Database.
I am grabbing the field from the FormView as such:
Dim AvgTicketL As Label = CType(frmMerchantProfile.FindControl("F10Label"), Label)
I need to take this value, and convert it to an Integer, then send it along to an API. I have the API Calls done, tested and working, but I'm getting an error as when it is getting this value, the API is returning "Must be an Integer" error.
What I have tried so far:
Dim AvgTicketL As Label = CType(frmMerchantProfile.FindControl("F10Label"), Label)
Dim AvgTicket1 As Integer
AvgTicket1 = Double.Parse(AvgTicket.Text)
Do something with AvgTicket1
I have also attempted to Round the Value, then convert it and call it - no luck.
Checking the value of AvgTicket1 (Writing it out to a Label or Response.Write) shows "100", where the database value was 100.00. But the API is still getting 100.00, apparently. Any other conversion method that I've attempted states errors that the Label cannot be converted to Integer.
What are some methods I can successfully convert this value to an integer from a label?
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Sep 24, 2009
I have a variable which I called ElapsedTime. I press a button and it displays the time in seconds since clicking the button, into a label . I did it with HTML
Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
LblElapsedTime1.Text = ElapsedTime
ElapsedTime = ElapsedTime + 1
End Sub
Private Sub BtnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnStart.Click
Timer2.Enabled = True
End Sub
This updates every second a bit like a simple stop watch. Great so far, because I do need the elapsed time (in seconds) for later use in my app. However, whilst elapsed time is being displayed in this label on the screen I want it to be shown in HH:MM:SS format. How can I convert it into a new variable " ElapsedTime2 " so that I can show it in the desired format yet still retain my original " ElapsedTime " variable for later.
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Mar 21, 2010
is there any ready to go solution within the microsoft framework, regarding conversion of date to day?For example, i would like to convert this string 21/03/2010 (dd/mm/yyyy) to Sunday?
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Mar 8, 2011
i am trying to retrieve data from sql server into vb.net but i have some issues with date/time the date format in sql like '2011-03-08 23: 59: 59. 999'and in visual basic i am using DateTimePicker as custom format like 'yyyy-MM-dd'and the query that i wrote it in vb.net to retrieve data from sql is:select * from TBL where TBL .t_date between CONVERT(datetime,''+'" + DT1.Value + "'+'', 101) and CONVERT(datetime,''+'" + DT2.Value + "'+'', 101)[code]how i can let the user insert the items 'A','BB','CC' between IN brackets by choosing the items from combobox?
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Jul 20, 2009
Can someone please tell me how I would convert a string of "Thu Dec 13 10:00:06 2007" to an actual date?
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Oct 20, 2011
I have a text box in the format of yyyymmdd ie. "20110101" that is derived from an existing access database and want to convert it to mm/dd/yy and place it in a separate text box.
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Jun 10, 2012
It seems like I keep having problems with dates. I am using the following code:
Dim LocalDateCultureProvider As New CultureInfo(CultureInfo.CurrentCulture.ToString)
Dim CurrentDate As DateTime = Convert.ToDateTime(System.DateTime.Now.ToString("dd/MM/yyyy"), System.Globalization.CultureInfo.InvariantCulture)
ExpiryDate = DateTime.ParseExact(strDate, "dd/MM/yyyy", LocalDateCultureProvider)
If DateTime.Compare(ExpiryDate, CurrentDate) < 0 Then
MsgBox("This file has expired.")
[Code]...
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Jun 24, 2011
The user will select an entry in a gridview, which then redirects them to a form that is populated with the data from the selected row (thus making the gridview editable in a more user friendly way). Null values are accepted by the DB and I would like to show null date values as blank (or " ") in the corresponding text boxes. Instead I get the error:
Conversion from type 'DBNull' to type 'Date' is not valid.
Here is my code:
'preceded by connection code
Dim sqlcmd As String = "SELECT * from Master WHERE RecNum = @recnum"
'Dim sqlCmd As New OleDb.OleDbCommand("SELECT * from Master WHERE RecNum = @recnum", connection)
Dim FileCommand3 As New OleDb.OleDbCommand(sqlcmd, connection)
[code]....
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Jun 30, 2011
I have a string "2011-06-30 09:55 EDT" that uses the US daylight savings format. Date.Parse cannot convert this because this is a non-standard format (EDT instead of EST). Is there a way to convert this string using Parse?
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Apr 3, 2010
I have a masked textbox (dd/mm/yyyy hh:mm:ss) and a textbox (hh:mm:ss). I want to calculate the difference of them both and put the result in an other masked textbox (dd/mm/yyyy hh:mm:ss).e.g.13/11/1979 10:00:00 - 15:00:00 = 12/11/1979 19:00:00..I already tried Date.FromOADate(CDbl(dec_time) , where dec_time stands for the difference between first and second part of the equation.
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Dec 14, 2011
I have been unable to correctly convert a string to date. The string is read from a text file and placed into a string, below is a snippet of how the text file is read until the date is field is read:
Dim varOrderNo As String
Dim varDate As String
Static Dim currentrow(20) As String
[Code] .....
I have then tried loads of different ways to convert it to a Date so when I then write it to a SQL Database it enters as a date. The string read from the text file is in the format of 13122011. If I don't try to change it to a Date before writing to SQL it doesn't recognise it as a date and sets the field to 01/01/1900. I have tried and searched loads online and everything i try should work but doesn't.
Dim varDateConvert As Date
varDateConvert = CDate(varDate)
varDateConvert = Convert.ToDateTime(varDate)
varDateConvert = DateTime.Parse(varDate)
All of the above cause my program to drop out / crash at the point of the converting.
I have also tried to format the string to insert the '/' before converting:
txtDate.Text = varDate.Substring(0, 2) & "/" & varDate.Substring(2, 2) & "/" & varDate.Substring(4, 4)
varDateConvert = DateTime.Parse(txtDate.Text, Globalization.CultureInfo.CreateSpecificCulture("en-GB"))
The result for the above is:
From File: 13122011
Substring: 13/12/2011
Convert: 12/13/2011 - Crashes here
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Jun 29, 2011
I am developing an ASPX VB.NET file. My assignment is to convert an integer representing week of the year into that end date. For example, if user selects Week 4 for 2011, I want to get date = 1/22/11. How do I do this in VB.NET?
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Sep 21, 2010
i have the following setup What i am trying to do is, when the user clicks on the 'calculate age ' button it must calculate the age and display the result based upon the selection in the combobox i.e if 'Days' are selected then it must display in days, if weeks are selected then it must display in weeks..etc
Similarly when the user clicks on the 'convert to date' button , it must subtract the given days(or weeks or months or years) from Todays date and set it to the maskedbox
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