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
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.
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 :)
View 3 Repliescan 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
View 3 RepliesMy 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))
View 5 RepliesHow do I subtract a month from a date object in VB.NET?
View 4 RepliesI'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.
View 2 RepliesI 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
how can I create following thing with Visual basic?I would like my excel to check the date value in a cell and compare it to current date and if the value in the cell is older than 2 months compared to current date it would change the cell's colour.
View 1 RepliesI am sending some data from a datagridview to a Excel sheet.That works.But I have a problem with Date's , in the datagridview is 05-12-2012.When i put it in a new excelsheet it is 05-12-2012 00:00.I found something for changing the format of Date in a Excel cel.[code]But I need , 05-12-2012 What do I put after NumberFormat? I want to do it by code and not in the Excel sheet
View 2 RepliesHow to convert an excel serial date as 39051,4387847222 in a datetime as 30/11/06 10:31:51 2549
View 4 RepliesI am creating my Excel great, except that a field that contains numbers ie 1-10 or 2-5 keep getting changed to the equivilant in date. I don't want dates. If I format to text, then it cuts off part of the original data.
View 1 RepliesI am working on applying date validation to excel cell(range) from VB.NET.
Private Sub DateValidExcelRule(ByVal worksheet As SpreadsheetGear.IWorksheet, ByVal DateRange As String)
Dim dt As Date = CDate("1/1/1900")
[Code].....
When I enter 4 digits whole number 7777 it is validating correctly showing message Enter Valid Date, but when I enter 5 digits 77777 it is accepting the value and converting it to 12/10/2112 value and not showing any error message.
Here all I want to do is I want to validate the cell value to any date format mm/dd/yyyy.
I have a macro that save a file under a different name every day with the date as part of the name
ActiveWorkbook.SaveAs Filename:= _
"C:myfile" & Year(Date) & Month(Date) & Dat(Date) & ".xls" _
, FileFormat:=xlNormal, Password:="", WriteResPassword:="", _
ReadOnlyRecommended:=False, CreateBackup:=False
I would like to format the date as YYYYMMDD
how to create an 'Access-like' input mask for hastening date data entry.
Using C Pearson's much quoted code I've modified it as such:
Private Sub Worksheet_Change(ByVal Target As Excel.Range)
Dim DateStr As String[code]....
Note: I'm aware that most of the time I'm simply re-typing the original code - it was a learning experiencing and I also realised that the different American and Australian date formatting was less of a programming issue due to the systems being set up differently in the first place.My issue is having run tests using only 4 digit entry, all types of digit entry, with and without DateValue on the final DateStr, changing the cell format to text, to general, to date - always results in a code like "8811" (i.e. 08/08/2011) being changed into 01/01/1924 (approximately).
At first I assumed the use of "DateValue" in assigning the final .Formula value was forcing this conversion. However, with or without DateValue it still seems to read the figure as a DateValue and convert it as such.I'm sure it has to be something elemental that I'm missing given the scores of people I alone have seen on boards reading C Pearson's code and not coming up with another peep.
How Can I export Date from datagrideview to MS Word and MS Excel.
View 2 RepliesI am pulling two fields and putting them together with a "-". When I export to excel it seems to think that the string is a date and converts it from 11-11 to 11-Nov. I can't seem to figure out how to fix this.I am exporting a gridview into excel. This asp.net using .net 3.5 and vb.net within VS 2008.
Response.Clear()
Response.Buffer = True
'grab filename from filename box
[code].....
I am trying to read a date from a cell in excel into a datagrid and then compare the current date to the one in the datagrid, however vb.net converts the date (which should be of the form 03/09/2011 UK style) into a number so for instance 03/09/2011 becomes 40789
how do i keep it as a date so i can compare it to todays date?[code]...
I'm doing this program in Visual Basic and its supposed to calculate the GPA by entering the completed courses in a listbox. Its does calculate the GPA as its supposed to by adding the values using a "Add to list" button, but i have to also update the value of the GPA if a remove an item from the listbox using a "Remove from List" button. Is there a way a remove the line and also make the subtraction work.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddtoList.Click
'This is the Add button
course = txtCourseName.Text
[code]....
I have wirttend a code in VB.NET 2005 where i fetch the data from DB and this data has date also. I read the date format of excel and the change the date format accordingly in my VB.NET code. I have set the date format in regional setting is dd/mm/yyyy and while reading the date fromat of excel in vb.net code there i find that the format same i.e. dd/mm/yyyy and then i change the date in this format accordingly. However the result which i dispalyed in Excel 2007, found that the date still shows in mm/dd/yyyy. I am surprise how it happening.
View 2 RepliesAs part of a school assignment I have to design a program that allows people to add items to there backpacks but only upto a certain limit depending on age height etc. I completed the code to work out each packs maximum weight and thought I had almost finished but... Now I am trying to use a list box to add up the total weight of items added to each pack (below) but rather than add up I am just assigning the value 5 to the pack1weight.
Code:
Dim pack1weight As Integer
Dim tentW As Single
Dim maxweight1 As Single
[code]....
Im new to vb.net but learnt quiet abit, im using a book and getting to the stage where it gets confusing, anybody know of any videos or a better way to learn? first of all I have connected to a database but i want to beable to get the servername, username and password from a registry file instead of putting it directly into the code,
Also in the database I can add and update records etc... how would I make it take the current value in the table and add / subtract to it then update? eg. in the table i have 60, i want to add 10 to the value so 60 + 10 = 70 update record with 70. etc.
I would like to subtract a month using vb6.. Which function to use??
View 3 RepliesI wonder how I can subtract cells in VBA? I want to use an For-loop that subtract column "B" with column "C". I want it to take all the values in kolumn "B" minus ( - ) all values in column "C" in the whole range.
View 12 RepliesI'm stuck on writing a query to subtract "Amount to pay" with "amount paid", my assignment sheet says to 'use two queries and subtract in vb'. but i still don't really understand it
What the program is supposed to do is:
1. the user types in a specific customer id
2. the button "What is owed by the Customer ID?" runs the query
3. the query returns and opens a HTML with the customer id, the amount to pay, the amount paid and the total amount.so far what i've come up with is:
sSql = "SELECT CustID, SUM(AmountToPay) As AmountOwing, SUM(AmountPaid) As PaidOff FROM Order, Payment WHERE Order.CustID = Payment.CustID AND CustID = " & sSearchValueA & "GROUP BY CustID;"
I have 15 ofTextBoxs.1 to 5 is TextBoxs have a fix value and 6 to 10 is TextBoxs where the user
can input some value ,finally the textboxs 11 to 15 as a result What i want to do is when user input the value in textboxes(6) then the result automatically raise in textboxes(11).Then when put value in textboxes(7) then result automatically in textboxes(12) and also..
[Code]...
I'm looking to design a calculator that adds and subtracts binary numbers. I'm new to this program and stumbling on where to start?
View 6 RepliesCan someone show me an example of how to add or subtract when you have the button value going into the textbox like this[code]...
View 4 RepliesI have built a small VB.NET Calculator but whenever I add, subtract or multiply by 0 the answer is always 0. Here is my code:
Spoiler
Option Explicit On
Public Class Calculator2
[Code]....
in one textbox i have 10:00 PM and in another textbox i have 12:00 PM....i want to subtract 10:00 PM from 12:00 PM and get result ie 2 hours...how can i perform that?
DateTime.TryParse(TextBox1.Text, d1)
DateTime.TryParse(TextBox2.Text, d2)