there, im doing a leave management system with vb 2005..and here's my problem -how do i 'find' the expiry date?? eg: from the datetimepicker in my form, if the date i select is 1st january 2009.....how do i type the code to find the expiry date 1 year later (which is 1st january 2010) and display the date in a textbox in my form???
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Is there a query that can use to sum up data from date until another date? how to do it in VB.NET.
View 1 RepliesI am trying to calculate the number of years for my calculate age event handler, however i am apparently missing a method or whatnot because im trying to calculate the age , can anyone suggest help on this. I need to subtract years to get my age but when i try the birthdate.Subtract (currentDate) method i get an error about not able to convert from LONG?
So below is what I have.
Private Sub btnCalculateAge_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculateAge.Click
Dim currentDate As Date
Dim BirthDate As Date
Dim Age As Long
[CODE]
I have an Sql server 2005 table called Emploeefl with 2 fields, EmployeeCode and Date of Birth. The data type for the date of birth is Datetime. I have a Date time picker on a vb.net 2005 form called dtDateOfbirth. When I click on the save button I get the error message "Conversion from string 'yyyy/MM/dd' is not valid. Below is the code
Dim newQE_Date As Date
newQE_Date = Format(Me.dtDateOfBirth.ToString, "yyyy/MM/dd")
'newQE_Date = String.Format("2008/09/10", "yyyy/MM/dd")
[Code]....
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 RepliesI 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 need to add 3 months to a date so i can calculate when a clients email bundle is out dated.so for instance the client registed his bundle on 2009/09/01. I need to be able to add 3 months to this date so it comes out with 2009/12/01 and then compare the dates.
View 1 RepliesCan someone please help me make this work? I want to do in vb.net calculate time between to date like this:
startdate: 2011/12/30
enddate: 2011/12/31
Calculate: ? hour ? minute ? secends
how to calculate a weekday of a given date?
View 8 RepliesI have a two maskedtextbox, one textbox named as masktxtdepostdate and , masktxtmaturitydate, txtnoofmonth.
i changed maskedtextbox property as date, in format "YYYY-MM-DD";
now i need to calculate masktxtmaturitydate after entering the values in, masktxtdepostdate and txtnoofmonth.[code]...
I'd like do make a program which returns you how old you are, in years, months, weeks and days. But I didn't get it to compare different times. Input is a string which looks like 01.01.2011 (dd.mm.yyyy).
My code so far is this:
Try
dim date1 as string = '01.01.2011'
' Today
Dim date2 As Date
date2 = Date.Now
' number of seconds since date1
[Code] .....
write a code that can calculate the difference between the datetime a article has been published and datetime of now.like this example :this article has been published 4 minutes ago...this article has been published about 2 days ago...
View 2 Repliesi am trying to insert date in dd/mm/yy format in sql table from a textbox but everytime the default date 01/01/00 goes in table.
View 19 RepliesI am working on a project inwhich I want same date format in all project forms. I want to use a form for setting/resetting date format for whole project. whenever I will change date format in this settings form, there should be this new date format available in all forms. how can I implement this?
View 8 RepliesExample of a function that would return an integer (how many months old) based on a persons age when given the date of birth?
View 1 RepliesI need to calculate date difference using flowing query but it does not work. [code]...
View 3 RepliesIm a beginner at visual basic. I did some codes refering to a form in which I need to calculate the differences between my my date of birth to another date. I did a statement which gives me the difference between those in the format of years, but I need to know how I can put the months and days example if my birthdate is 11/26/1991 and I want to calculte how many years, month and days has transcurred until today it would be like 20 years 3 months and 11 days.
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how could i make my datetimepicker to compute for the expiry date within 5 years... example date grated is 1/2/2012 and expires on 1/2/2016
I am developing c#.net solution where i have to calculate Start Date based on provided End date and Duration (back days) without weekends.
i.e. End Date: 05/5/2011
Back days: 5
Start Date = (05/5/2011) - 5 days (Excludes weekends)
Start Date = 29/04/2011
Is it possible to calculate the currently selected date in a month calculator?I need to be able to produce a number between 1 and 5 for the currently selected week.
View 2 RepliesI'm trying to get an If statement to check is the date picked from a datetimepicker is at least 3 days prior to the current date, I can get it to calculate the difference however if I chose a date that 4 days prior to the current date (i.e the result being -4), the else statement doesnt fire.is this something to do with the result being a negative value? I did try to assign the DateDiff result to a variable defined as a short and then used this variable in the If statement, but still get the same issue. Option Strict isn't showing any issues.
[Code]...
I'm using VB.NET in Visual Studio 2008. I'm programming an application to take processing orders and give the total price plus the shipping date. I would like something like : shipping_date = Current_Date + 3 days but I know this doesn't work. Any ideas?
View 1 RepliesI would like to calculate a new date simply by using the build-in dateadd function, but take into account that only weekdays should be counted (or 'business days' so to speak).I have come up with this simple algorithm, which does not bother about holidays and such. I have tested this with some simple dates, but would like some input if this can be done in better ways.This sample assumes a week with 5 business days, monday-friday, where first day of the week is monday. Dateformatting used here is d-m-yyyy, the sample calculates with a startdate of october 1, 2009.
Here is the simple form:
Dim d_StartDate As DateTime = "1-10-2009"
Dim i_NumberOfDays As Integer = 12
Dim i_CalculateNumberOfDays As Integer
[code]....
In VB2005 I am trying to calculate the number of business days between two dates. I must also account for U.S. holidays (New Year's Day, Martin Luther King Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day/Friday after, Christmas Day). If a holiday falls on a Saturday, then the prior day (Friday) is assumed to be a holiday. Likewise, if the holiday falls on a Sunday then the following day (Monday) is assumed to be a holiday.
View 4 RepliesI m working on a site which requires me to calculate date(s) from the given week number for the year start set by the user in his setup.for ex. user set the year is from 1st April to 31st May in his setup and he selects week say 23rd then I have to find out dates for the week selected.
View 6 RepliesI would like a column in my datagridview to display todays date. Also to caluclate all the row charges of todays date and display them in a text box.[code]
View 20 RepliesI am trying to compute time off, I have a datetimepicker which allow user to select a day he wishes to start leave and a textbox to specify no of days applying for.Now I wand to use dateadd function to calculate resumption date excluding Weekends.
View 2 Repliesneed simple code vb.net code tht uses issue date and return date to calculate fine but doesnt use datetimepicker tool..
View 1 RepliesI need to calculate the location of intersections between multiple date ranges, and the number of overlapping intersections. Then I need to show which date/time ranges overlap each of those intersecting sections. It is slightly more complicated than that so I'll do my best to explain by providing an example. I am working in VB.Net, but C# examples are acceptable as well as I work in both.
We have several high risk tasks that involve the same system. Below I have three example jobs named HR1/2/3/4 with start and end date/times.
HR1 {1/6/2010 10:00 - 1/6/2010 15:00}
HR2 {1/6/2010 11:00 - 1/6/2010 18:00}
HR3 {1/6/2010 12:00 - 1/6/2010 14:00}
[Code]....
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.
