DB/Reporting :: Subtract A Date From A Date?

Feb 12, 2010

I'm using vb.net 2008 and sqlserver 2008 and I want subtract a date from a specified date. Example:

I want to subtract Commencedate from Today's Date but when I used datediff it gave me (argument "interval" is not a valid date).

When I used year(Commencedate)-year(now), it worked but the month did not get subtracted.

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2005 - Subtract A Date From The (current Date Minus 7 Days) And Produce A Number Of Days?

Sep 28, 2010

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 :)

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DB/Reporting :: Search A Table, Confining To A Specific Date Range Based On A Date-time Column?

Jul 14, 2009

Would it be possible to search a table, confining to a specific date range based on a date-time column, and get a count of the 10 most used words in a particular var-char column excluding a list of words?All in SQL?Currently I am pulling out the records that match and sorting through the contents outside of SQL, I would think where I can do it directly on the server it would be more efficient.(SQL 2008)

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Subtract A Date From A Date?

Feb 12, 2010

I'm using vb.net 2008 and sqlserver 2008 and I want subtract a date from a specified date. Example: I want to subtract Commencedate from Today's Date but when I used datediff it gave me (argument "interval" is not a valid date). When I used year(Commencedate)-year(now), it worked but the month did not get subtracted.

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Excel - Subtract From Date?

Jun 16, 2012

In excel macro i got this two variables:

TimeF_1h = Cells(x, 3) - 0.041667
TimeF_12h = Cells(x, 3) - 0.5

i tried to do the same in Vb.net, but something is wrong i assume i should do it other way.

TimeF_1h = .Cells(x, 3).Value - 0.041667
TimeF_12h = .Cells(x, 3).Value - 0.5

I don't know what does it mean:

0.041667 and 0.5

in excel column are dates in this format:

2011-03-07 16:35:23

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How To Add, Subtract Time, And Date

Dec 12, 2004

can i do this in VB.NEt example i wanna subtract the difference from 8:00 AM TO 12:00 pm how can i do this what namespace do i need? how can i add time? how can i add two dates

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Add 1 Year To A Date And Then Subtract 1 Day From It In VB 2010?

Dec 27, 2011

My question title says all. Suppose the given date is 7th july 2011. So what I want to get in result is 6th July 2011. And leap years aren't to be counted. The day number always should be one less than today. I did this:Dim year As Date = "1/15/2009"''adds 1 years to current dateMessageBox.Show(year.AddYears(1))

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How To Subtract A Month From Date Object

Feb 3, 2010

How do I subtract a month from a date object in VB.NET?

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SQL Exception On Insert Of Dateandtimepicker.value.date Into Date Datatype: (Conversion Failed When Converting Date And/or Time From Character String)

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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Ensure That Conversion Of A Date To A String And A String To A Date Will Give The Same Date Format?

Jan 16, 2012

how 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.

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DB/Reporting :: Convert Date Format?

Apr 2, 2009

Whilst programming my website offline I had the Access DB use the default value to Date() saving me a job at programming stage - it put these dates as US Format MM/dd/YYYY.Now I have uploaded it and the server uses proper UK format dd/MM/YYYY I need to change the old records under a field Date in tblItems to the UK format

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DB/Reporting :: Filtering Date Ranges In A Report?

Aug 9, 2008

This is my first program and have absolutely no training in programming Visual Basic Studio 2008 so forgive me if I have missed something obvious.Form3 contains a StartDate(Date Time Picker1)and EndDate(Date Time Picker2) with a button1 which launches a Form4 containing a report( Microsoft Report Veiwer)

I have been able to generate a report but it gives me everything in the database instead of date range selected.I have tried generating queries,stored procedures and writing additional code but nothing seems to work.( Though I may of but them in the wrong place)

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DB/Reporting :: VS Application / Access Db Date Conversion

Jun 2, 2008

I am an Australian user so use date format dd/mm/yyyy...my frmMain has a list box that retrieves a list of date values from the access db and displays them in the correct format (15/12/2000 - dd/mm/yyyy). When I update the DB using that same date the date format becomes reversed (ie interprets as 12/15/2000 - mm/dd/yyyy). [code] I believe the problem is something to do with the fact I am enclosing my date in my code with #'s and that somewhere between visual studio and access, the dates are getting flipped. [code]

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Reporting Services - Handling An Empty Date?

Jul 14, 2010

I have a report parameter which looks like this: 01.01.2009 00:00:00.Its a date (as string), as you might have guessed :). The problem is, this param can be an empty string as well. So I tried those expressions:

=IIf(IsDate(Parameters!DateTo.Value), CDate(Parameters!DateTo.Value), "")
=IIf(Len(Parameters!DateTo.Value) > 0, CDate(Parameters!DateTo.Value), "")

Both dont work and the value for the textfield where I print the expressions result is always #Error. As soon as I remove the CDate stuff, it works, but I have to use it. IS there another way to achieve that? What I want is to display nothing if its not a date or the date (format dd.mm.yyyy) if its a date.

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Compare Date - Start Date Should Not Be More Than End Date

Aug 12, 2011

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]...

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Why Date Shows Up As Date Before Date Trying To Parse?

Sep 9, 2010

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.

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DB/Reporting :: Field To Be Blank Until The User Enters A Valid Date?

Jun 20, 2008

Using VB2008, Access

I have 2 fields defined as date/time (short date).

I need to store dates fields which may at times be blank (null), how do I go about that?

I tried using:date.minvalue and that stores the value of 12/30/1899. I would like the field to be blank until the user enters a valid date.

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DB/Reporting :: Select Monthname And Year From Mysql Date Format

Sep 24, 2011

anyone knows the query of selecting from monthname and year(September 2011) from mysql database DATE format(yyyy-MM-dd)

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DB/Reporting :: VB2008 - Select Mysql DATE Field From Datetimepicker

Sep 16, 2011

I need this for displaying in my crystal report here's my code:

Code: cmd.CommandText = "Select * from pos where date= '" & datetimepicker1.text"'" and nothing displays on my crystal report, I need the right query for that...the field value is DATE...I need the conversion for the 1/11/2001 format from date time picker to 2001-1-11 in DATE field

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Checking A Date Field - Existing Textbox That Is Automatically Filled With The Current Date?

Feb 21, 2011

I'm fairly new to ASP.NET & VB.I've been asked to take an existing textbox that is automatically filled with the current date and allow the user to either add a "+" or "-" and a number or a spcific number and convert that into a date.I underdstand the basic concept on how to do this, but I'm running into some problems using the proper commands in order for this to work.The Textbox is called txtDate.What I've tried to do is this:

If txtDate = '+' Or '-' Then
DateAdd("d", txtDate, today)
End If

Here is what the whole thing looks like:

Protected
Sub
DateEnter_Click(ByVal
sender As[code].....

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Filter The Data In The Date Column To Show Only The Records That Don't Have A Date Entered Into The Field?

May 13, 2010

I have an access form that shows a data table. when the form is opened, I want to filter the data in the date column to show only the records that don't have a date entered into the field.

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Function That Would Return True If Date Provided Was Payday / Date Of Next Few Weeks Paydays

Nov 21, 2011

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]

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Convert Excel Date To Sql Server Date Time Format Using ACE Provider?

Jun 24, 2011

I am attempting to import data in a batch from an Excel Worksheet to a Sql Server database. Everything works except for the one date field in the spreadsheet. The date returned is off by four years from the value in the spreadsheet. Example: The Excel sheet has a date 10/24/2010 14:18, but when I look at the column in my query, the date is 10/23/2006 2:18. This pattern, 4 years and 1 day earlier, is repeated for every row in the worksheet.

The Excel column comes to me as a custom type, formatted m/d/yyyy h:mm. I receive this from an outside vendor and having them change the column is not going to be my simplest solution.

For what it's worth, the relevent part of the query is:

Select [Date Created] From MyWorksheet

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Data Type Is A Nullable Date That Returns A String Value If Date Was Supplied?

Mar 11, 2010

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?

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Date Filter Query - Fetch Only The Date Within The Current And Return How Many Rows

Jul 19, 2011

I'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) ?

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Sql - Finding Start And End Dates From Date Numbers Table (Date Durations)?

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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Write A Program Which Compares The Difference Between Any Date In The Past And The System Date?

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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Sql - Matrix Reporting Services - Use A Cross Tab Between Store Names And Just The Month Of The Date Field?

Aug 13, 2009

I have a matrix with rows indicating a name (Ex Store name) and I have data pertaining to that in the DATA cells. I also have another date field in this format (MM/DD/YYYY). I would like to use a cross tab between Store Names and Just the Month of the date field.

[code]...

is there any expression I can use to get the month format on the header of column.

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Auto-change Date Of DateTimePicker2 On Entering Date In DatetimePicker1

May 31, 2011

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.

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Chane The BackColor Of Particular Date.Mine Code Is Only Just Bold The Particular Date

Mar 8, 2009

I want to chane the backColor of particular date.Mine code is only just bold the particular date,but not changing the BackColor. I have searched on internet,But none of them provide me the Solution. I Found the Below code thru net-

[Code]...

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