Given A Date, Determine Past And Future Dates?
Jul 29, 2011
I have a form where a user can choose an election date. One of the most frequent errors users make is entering the incorrect due dates of reports. Therefore, I am attempting to generate the report due dates in the application using the report guidelines. For instance, reports are due 32 and 15 days prior to the election and 30 and 60 days after an election.
I know the following won't work but you get the jest of what I am attempting to do. I am assuming I will need to break down the month, day and year somehow before I subtract or add the days to the date to get the actual report date.
[code]...
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Aug 10, 2010
I am teaching myself VB while creating a basic application I can use at work. Is there something in VB that will calculate a past and future date from a specific date. For instance, an Election Date falls on November 2, 2011. Once this election date is entered I want the program to calculate the reporting dates. The first report due is due exactly 32 days prior to the election. The 30 day post is due 30 days after the election.
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Nov 12, 2010
I am trying to flag rows in a grid in the following order based on a date column
When 2 or more days old from today
then RED
When 1 day old then YELLOW
When 0 days old then GREEN
When the date is in the future then
BLUE
I have the following which is working fine except for the future dates which are GREEN instead of BLUE.
Dim myDate As DateTime = CType(grdSummaryView.GetRowCellValue(e.RowHandle, "myDate"), DateTime)
Select Case Now.Subtract(myDate).Days
'2 or more days old then RED FLAG
Case Is >= 2
[code]....
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Sep 17, 2011
how to manipulate the dates to determine which date will be 30 days more then the datetime control I have on my form. i need to take the chosen date from the DateTime control, and determine what date it will be in 30 days. Eventually I will use this process to search through the database to print monthly reports.
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Mar 14, 2011
how to disable the datetimepicker dates in the future and also all the weekend dates but i am unable to find any! Only thing i can find is ASP.net code.
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Mar 6, 2009
I'm trying to make this program which compares the difference between any date in the past and the system date, showing how many days have elapsed since that date. This is the layout I've created so far, the two date boxes currently show the system date so even if I change the system date, both those boxes will adjust to show it as well. I want to try and make the system date a box without a drop down arrow and so you cannot edit the box at all. The box below is fine how it is as the user can enter any date they desire. And the text box at the bottom needs to show the difference between the system date and the inputted date.
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Mar 6, 2009
I'm trying to write a program which compares the difference between any date in the past and the system date, showing how many days have elapsed since that date.This is what I've got so far:
Code:
Public Class Form1
Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
End Sub
[code]....
That's what it looks like so far. I was wondering how you can automate the top label so it automatically comes up with the date when the program is run.Plus, I need to know how to display the dates difference (how many days have elapsed between the system date and the user's chosen date) in the bottom label.
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Aug 31, 2009
I want to validate textbox so that it will accept only future date. Can I have regular expression for the same.
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Oct 5, 2011
I'm using the ASP.Net Membership system but I'm having an issue with the LastActivityDate for the users in the database. For some users, their last activity date is in the future...
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Feb 23, 2012
I need to have the Calendar Control start 36 hours after the current date. How would I do that?
I have a form that requires that the future date has to be at least 36 hours from the current date in the order for the workers involved to be able to complete the task.
check values and keep the form from processing:
Protected Sub calPickupDate_SelectionChanged(sender As Object, e As System.EventArgs) Handles calPickupDate.SelectionChanged
If calPickupDate.SelectedDate < Today.AddHours(36) Then
[Code]....
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Sep 10, 2009
I tried to accomplish this via a MailMessage.Headers.Set call, in VB.net. See below:
Dim objMail As MailMessage
Dim objSMTPClient As SmtpClient
objMail = New MailMessage()
objSMTPClient = New SmtpClient()
[Code]...
To be clear: I am not doing this with malicious intent. I am working on an e-mail integration component that utilizes both UIDs and a "Last processed" date to locate the first new e-mail to integrate. I want to test cases where multiple e-mails have the exact same date/time - as the e-mail integration module should handle those situations flawlessly. If I could simply fake the date this way, I could send as many e-mails as I wanted that matches a certain date/time, rather than trying to send them with an automated script - hoping they will all be received within the same second.
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Nov 24, 2009
I made a programme through which I get a feed back clicking a button for a future warning date. I am giving the code below so that you can givthe problem is, I have to take 12 DateTimePicker to do that job in a single form which is creating a saving problem means when I click save button it takes long time to save. Now, I thought If I can do it by using TextBoxn a date format would easeup my save problem. Or it can be MaskedTextBox as well. Below is my code if any one can give me the solution.
Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If DateTime.Now > DateTimePicker1.Value.AddYears(1).AddDays(1) Then
[code].....
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May 1, 2010
I have a text box on a form. It is a masked text box that shows in the format XX/XX.It is used for the expiry date of a credit card.What I need to do is how to take a value like 08/11 which means August, 2011 and check that it is in the future.For example something like 08/09 would be last year and hence would be invalid.Is there any way to take this string and check?
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Aug 31, 2009
I have below code in vb.net.
[Code]...
I want to check at client end whether the entered date in text box is future date. I mean this textbox should allow future date only. code the above problem using jquery or vb.net
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Oct 26, 2009
I am using VB.net as well as Jquery Datepicker for getting dates.
In my VB.net code
<tr><td>
DateOfReceiving:
</td><td colspan="3">
<asp:TextBox ID="DateOfReceivingTextBox" runat="server"
CssClass="pastdatepicker"
Text="DateOfReceiving" />
</td></tr>
I want to allow enter user only todays date or past date with format dd/mm/yyyy. I want vb.net custom validation for that. How to write vb.net regular expression.
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May 17, 2012
I use the above code to restrict the user to enter the past date. but i am getting this error message
If NewBookingDataGridView.Item(3, 3).Value.ToString() < Now.Date.ToString() Then
MsgBox("you are trying to save records of past date.")
error is ** Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index**
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Mar 15, 2012
If i double click on the dataset. i am not sure which statement to write to restrict the user so that he/she cannot enter the date in the past. i have droped the data set on the form and my data entry is through datagrid view.
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Feb 15, 2009
How can I determine if a varable called "date1" is within the range of variables "date2" and "date3"?
For example, if date1 is 12/31/1999, and dates 2 and 3 are 12/31/2001 and 12/31/1997 (or the other way around), then first date is between the 2nd and 3rd dates.[code]...
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Mar 19, 2012
how can I determine if a varable called "date1" is within the range of variables "date2" and "date3"?For example, if date1 is 12/31/1999, and dates 2 and 3 are 12/31/2001 and 12/31/1997 (or the other way around), then first date is between the 2nd and 3rd dates.
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Jun 19, 2009
I have two tables: a schedule table that contains information about how an employee is scheduled and a numbers table in which each number corresponds to a date.
[Code]...
I can do this on the SQL side or the code side. I have Linq at my disposal if I need it. The table doesn't need to be compiled by SQL. This will happen dynamically on a website and should be as efficient as possible.I don't want to have to iterate through each and look for breaks in contiguous days if I don't have to.
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Dec 1, 2011
I am trying to get a list of dates from a provided StartDate and EndDate in my database, and use these dates to link to dates in a database (to display another variable on the y-axis of the chart) and to populate the x-axis of a chart (with the list of dates). Is it possible to get a list of dates in VB and pass them into a chart this way?
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Apr 16, 2009
I need to get all dates between a start and end date and then add them to a list or collection.
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Jul 16, 2010
Thought I'd see if Stack overflow is quicker than me testing something while I get a thousand interruptions from other work :)
I'm updating an old VB net application and trying to refactor some of the logic as I go. The app looks for data from a single date across a few tables and writes that view to a file.
Writing the query in SQL I'd get the equivalent of
SELECT * FROM table
WHERE CAST(FLOOR(CAST(table.date AS float))AS datetime) = '15-Jul-2010'
Ideally I'd use
SELECT * FROM table WHERE date=@input
and add a date object as a parameter to a System.Data.SqlClient.SqlCommand instance
Are those two comparable? Will I get the results I expect?
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Nov 16, 2009
I have an data base (.mdb) and it has a column with dates (dd/mm/yy) , some one give me a code to get all the dates in database between 2 dates , the code was :Select * from table where date between 'StartDate' and 'EndDate'but after I use the code , an error occurs told me that the types of data is not the same
[Code]...
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Dec 22, 2010
I have a table which has the following Columns
TransDate(varchar20) , Name(varchar20), Address(varchar20), Amount(int), Balance(int)
Now i need to get "Recent Balance" which i am getting using the following Query Select Balance from myTable where TransDate = (Select Max(TransDate) from myTable) This query is giving me proper result if there is only one entry per day like below
10/12/2010 SomeName SomeAddress 1000 1000
10/13/2010 SomeName SomeAddress 1000 2000
10/14/2010 SomeName SomeAddress 1000 3000
But what if i have more than 1 entries per day as shown below?
10/12/2010 SomeName SomeAddress 1000 1000
10/12/2010 SomeName SomeAddress 1000 2000
10/12/2010 SomeName SomeAddress 1000 3000
How to get the "most recent balance" using the above date format?
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Jun 2, 2011
I have a table which has the following ColumnsTransDate(varchar20) , Name(varchar20), Address(varchar20), Amount(int), Balance(int)Now i need to get "Recent Balance" which i am getting using the following QuerySelect Balance from myTable where TransDate = (Select Max(TransDate) from myTable)This query is giving me proper result if there is only one entry per day like below
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Aug 2, 2010
whenever i have my date column sorted, and i add a date that needs to be sorted into the current dates, the datagrid does sort it properly, however, that last date in the datagrid always adopts the date of the newly added date. [code]
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Sep 21, 2010
I would like to get a 'due' or predicted inspection date based on alternating with another date? How would I go about this? [Code] The due inspection either can be 24 months (second yearly) but it has to alternate with the last safety inspection.
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Mar 11, 2010
I am not sure how to accomplish this, but I am trying to take dates from two fields and using the current date show the progress percentage in a different field.
So, if past date is Jan 1st, the current date is "x", the future date is Jan 11th. How do I get a percentage of completion between Jan 1st and Jan 11th based on today's date Jan 5th?
BDate | EDate | % to completion
Jan 1st | Jan 11th | %
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Mar 6, 2009
I want to compare just the date part (and Not the time) of two VB.NET Date objects.Is there a way to do that?
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