VS 2008 - Assign Value To Date Variable And Compare It With Another

Jul 30, 2009

Is this the correct way to get a datetime value using a sql datareader:
existingETA = existproformaReader.GetDateTime(0)
I want to assign the value to a date variable and compare it to another date variable.

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Assign Null Value To Date/time Variable?

Jun 7, 2011

Attempting to convert a possible null value into date/time field. Any easy way ?

[Code]...

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Compare 3 Variable To Find Last Day Between 3 Date?

Sep 22, 2011

In my ASP.Net (VB Code) that I had 3 variable to store 3 different date.how can I compare 3 variable to find the last day between 3 date? [code]

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VS 2008 Get Information From Textbox And Assign It To A Variable?

Feb 28, 2011

am explaining this stupidly, but I'm still very much a VB newbie. This is a question about uni work, but it's not an assignment/test, just a little optional extension task.I have three text boxes, the first one is where the person's name is entered and the next two are where you enter the (same) person's score for two tests they have completed.

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VS 2008 US And UK Date Compare?

Jun 17, 2011

My collegeue and I have been searching on the net a hell of a lot for a problem he is facing and we so far have been unable to find a resolution.He has an Access Database where one of the columns is of Date format. This date is in UK style (as defined by the Operatins System)

In his application there is a datetime picker which the user picks from he then wants to select * from the access database where the dates match but because the DateTime Picker is giving a US Format date (i.e MM/dd/yyyy) and in the database its UK (i.e: dd/MM/yyyy) its not finding a match and returning no records.

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Compare Date - Compare Textbox1 And Textbox2 Text

Mar 3, 2010

I have two textbox in my application.

Textbox1.Text="19-Jan-2010"

Textbox2.Text="Jan 2010"

May I know how can I compare that Textbox1 and Textbox2 text is within same month and same year?

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VS 2008 Compare The Month Of A Date With Datetime?

Feb 17, 2012

I would like to compare the month of a date with datetime.now, when the datetime.now reaches a month beyond the given date to play a sound. I am novice to this.

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Compare The Modify Date Of A File Vs The Current System Date?

Oct 22, 2008

I'm trying to compare the modify date of a file vs the current system date. I've found an MSDN article describing how to get the modify time of a file:

Dim infoReader As System.IO.FileInfo
infoReader = My.Computer.FileSystem.GetFileInfo("C: estfile.txt")
MsgBox("File was last modified on " & infoReader.LastWriteTime)

This gest the Date and Time, but I want just the Date not the time.

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Dateinterval With Work Day - Compare The Date That Is Entered With Today's Date

Jun 6, 2011

I need to compare the date that is entered with today's date minus some number of work days.

I used dateinterval.day, but that is the actual day, not the work day. i don't see a "simple" way to get work days.

For example, my number is 3, so i want 3 work days (M-F) not 3 days.

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Excel To Check The Date Value In A Cell And Compare It To Current Date?

Oct 18, 2009

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.

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How To Compare Date From Access Database With Date In Texbox

Mar 26, 2012

my sql statement is returning null when when I compare date from access database and date entered in textbox in vb. seems to me that the two dates are of different format so null is returned from the select statement but how do I go about this.[code]

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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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VS 2008 - Checking If Date Variable Is Not Set

Feb 28, 2010

In the following code, a Date variable is declared but not set to anything:
Dim myDate As Date
What's the proper method of checking if the Date variable is "new" and not set to anything?

For example, getting the lowest date value from an array of dates:
Dim dtMostRecent As Date
For i As Intger = 0 To myDateArray.Count - 1
If myDateArray(i) < dtMostRecent Then dtMostRecent = myDateArray(i)
Next

In the code above, I need a way to check first if dtMostRecent is unassigned, in which case just give it the first value, after which it can be compared with subsequent values. How to check if a Date variable is unassigned.

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VS 2008 Add A Date To A Time Variable?

May 30, 2011

I have a Date variable called Time1In.

I'm getting a time value as a string from Excel, so I assign the date variable a value like this:

the string value coming in from excel is this:

30/12/1899 7:40:00 AM

my code gets the time value and assigns it to the date variable:

TimeIn1 = TimeValue(strTimeIn1)

the Date variables value is then this:

#7:40:00 AM#

which inserted into my database datetime field then looks like this:

0001-01-01 7:40:00

That causes errors when loading the page. I need to set a date value on the date variable. How can I properly append a date to the variable?

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VS 2008 - Append Now Time Part To Date Variable

Jan 11, 2010

I'm working on a small accounting app. I have a query to show transactions with a running balance.

SELECT transactionid, transactiondatetime,
amount,
(SELECT SUM(amount)
FROM dbo.transactions as D1
WHERE D1.transactiondatetime <= D0.transactiondatetime) AS balance
FROM dbo.transactions AS D0

I capture a gamesheet for a certain week. so if I select a date on a monthcalendar the sheet applies to the weeknumber of the selected date. When I save transactions I take the date at the last day of that week as the transactiondate. I need to store a datetime though because my query works of the datetime to get an accurate running balance. How can I append now() time part to my date variable and then store that in a datetime variable to get a transactiondatetime.

Here is my code for getting a transactiondate:
Dim dt As New Date
dt = Me.MonthCalendar1.SelectionStart
'get last date of week. Friday
Dim tdate As Date = dt.AddDays(5 - CInt(dt.DayOfWeek))

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Assign Each Value To Its Own Variable?

Apr 27, 2011

I have a file txt file that holds 3 values each seperated by a space how can i assign each value to its own variable and use that for other things?

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Assign A Resource According To A Variable?

Apr 2, 2010

I've been making this BlackJack program for a school project

I have 52 image files, labelled from '_1' to '_52' in my resources folder, each number corresponds to a card.

My question is, how do I get a picture box to assign the correct resource according to a variable

So, say I have

"pictDealerCard1" -> picture box which displays the first of the dealers card
DealerCard1 = 37 -> random number generated through INT(RND() * 52)
and resource '_37'

[Code].....

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Assign A Variable In A While Statement?

Oct 12, 2009

I need to assign a varible in a while clause. I.e., i would do it in php like this: while (!is_bool($char=$this->getChar()) in every loop, the function would assign $char a value, the is_bool function would test it, and the code INSIDE the while clause would have access to that $char.

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Assign The Value Of A Combobox To A Variable?

Jul 18, 2012

i would like to assign the value of a combobox to a variable and use this variable as a parameter on the insert statement.see code below,code 1 works ok,but code 2 brings an error relating to wrong datatype,i cant seem to find where the problem because i think i am doing everything right.

[Code]......

i would like code 2 to work so that i can assign the variables different values at different scenarios. column serialno is a foreign key from table Stock.

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Assign Value To A Variable In Lostfocus?

Mar 9, 2012

I want to assign a string value to a variable in the DataGridView LostFocus event. I found that I can't just do variable = "string value, it will give me the "Unable to cast object of type 'system.eventargs' to type 'system.windows.forms.datagridviewcelleventargs'" error.

The function created by double-clicking on the datagridview is:

Private Sub DataGridViewInvoice_LostFocus(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridViewInvoice.LostFocus

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DataSource - How To Assign Value To Variable

Jan 22, 2009

I'm trying to retrieve data from an access database, but I'm trying to do it all in VB. Basically I need to query the database, and I think I've done that correctly. But then I need to assign the value in a certain field, to a variable. So for example,
Dim email = orders.CustomerEmail.
How to assign a value to a variable.

Below is my current code:
Dim acc
As
New AccessDataSource()
accDS.SelectCommand = "SELECT TOP 1 orders.OrderDate, orders.OrderNumber, orders.OrderProduct, orders.OrderTotal, orders.CustomerName, orders.CustomerPostCode, orders.CustomerEmail"
accDS.DataFile = "~/App_Data/Database.mdb"

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How To Assign A Setting Value To A Variable

Jan 23, 2010

I get nothing but headaches when I try to update settings in the My.Settings class, or when I try to assign a newly assigned setting to a variable. Sometimes the settings update OK at run time; other times times they update only after the application closes; and other times still they appear to update at run-time, then when I close the program and reopen- they go back to the previous settings.This is how I assign a value to a my settings and how I assign a setting value to a variable.[code]

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How To Assign Field Value To Variable

May 11, 2010

I'm new with vb.net my problem is how to assign field value from database to a variable here is my code

Call connectdatabase()
dim uname as string
dim pass as string
Try
sql = "SELECT * FROM user;"
command.Connection = conn
[Code] .....

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String Variable To Assign A Value?

Jun 18, 2012

i like to assign html codes to String variable

Dim code As String
code= " <meta http-equiv="Content-Type" content="text/html; charset=windows-1254"> "

i think i am getting this error because of double Quotation marks "character constant must contain exactly one character."how can i assign it to a string?

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Assign Combobox.selectedvalue To A Variable?

Jul 31, 2009

I would like to assign cboBegCust.SelectedValue to c and cboEndCust.SelectedValue to d

Dim c, d As String
cboBegCust.SelectedValue = "customer"
cboEndCust.SelectedValue = "customer"

[Code]....

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Assign The Value To Multiple Variable Of Same Type In .net?

Nov 22, 2006

I want to Assign the Value to Multiple Variable of same type in .net and that to in one line of Code.

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Assign To Variable If Inherits From Class .NET 2.0

Mar 31, 2009

I think I remember reading somewhere that it was possible to assign items to a variable if the item inherited from a base class, but I can't remember how.

I want to have a class that gets properties set and one of the properties is an error code property. I want to assign any exceptions that occur to the property, but it could be any type of exception. I remember that all exceptions inherit from the Exception class.

How can I assign an exception to a property based on the class it inherits from?

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Assign To Variable Of Struct Through Property?

Jun 1, 2011

I have the following

Public Structure Foo
dim i as integer
End Structure

[code].....

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Assign Value To Variable Inside An IF Condition?

Jul 28, 2010

is there any possibility to assign a value to a variable inside an IF condition in VB.NET?

Something like that:

Dim customer As Customer = Nothing
If IsNothing(customer = GetCustomer(id)) Then
Return False
End If

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Assign Variable By Name Indirectly As String

Feb 16, 2011

Any way to attempt to assign a variable within a data class or structure when I have the variable name as a string. Where would this be useful? Let's say I have a data class that exactly mirrors the columns of a table in a SQL database. This lets programmers easily interact with table row data as it gets passed around as an actual, specific object since Intellisense can enumerate the variables for them, etc.

However, populating such an object is tedious and repetitive--the programmer who creates the new object has to one by one match up all the members when reading from the SQL data adapter. It would be nice if they could somehow enumerate all the variables in that class and attempt to auto-assign the values from the database instead of having to build a custom population method for each new data class. A person could create a hash table or tree or something that pairs member names with actual objects.

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