Daylight Savings Change?
Mar 8, 2009
Dim StartTime As Date = New Date(2009, 3, 8, 1, 59, 0, DateTimeKind.Local)
Dim EndTime As Date = New Date(2009, 3, 8, 3, 1, 0, DateTimeKind.Local)
Dim TimeDifference As TimeSpan = EndTime - StartTime
[code]....
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Jun 30, 2011
I have a string "2011-06-30 09:55 EDT" that uses the US daylight savings format. Date.Parse cannot convert this because this is a non-standard format (EDT instead of EST). Is there a way to convert this string using Parse?
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Mar 13, 2011
I have a simple app that just shows the current time for specific locations around the world. I need to have it adjust for daylight savings time. I *THOUGHT* I'd already coded this but....
I thought I would use "Today.IsDaylightSavingTime()" and add 1 hour to the clocks. It isn't working?
If Today.IsDaylightSavingTime() Then
HawaiiOffset = HawaiiOffset + 1
PacificOffset = PacificOffset + 1
[Code]....
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May 28, 2011
I have a form that has clocks for Hawaii, Pacific, Mountain, Central, Easter, GMT/UT, UK, Germany, Mumbai, Manila and China.I assigned a timer to tick the seconds and wrote the following code for the tick:[code]
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Mar 28, 2010
I am trying to get a program to recognize daylight savings in Sydney NSW Australia, but everything else in the program to stay on my current timezone settings Brisbane Qld Australia. All I ned it to do is to check a box (true or false).I have tried typing in dates and coding but I need it to think for itself, I don't want to have to change it every year.I'm using Visual Basic 2008?
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Sep 3, 2010
Is there a way in VB.Net to determine if the timezone the current system has daylight savings time in effect? Of course I can get the offset from GMT using the "z"/"zz" formatting option, but that doesn't tell me if DST is in effect for the current timezone or if the current timezone is in standard time...or if DST/Standard time aren't even an issue in the timezone for the system.
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Feb 2, 2011
I need to write some code to tell the user when daylight savings starts and ends in another timezone, this is what I came up with but it keeps selecting the last Else line. The other lines are working fine, the problem is only with the lines, daylight savings today and not tomorrow. There is probably a much neater way of doing this but I thought this would work.
Private Sub Auto_Time_Change()
Dim sydneyTime As TimeZoneInfo = (TimeZoneInfo.FindSystemTimeZoneById("AUS Eastern Standard Time"))
If TSSlblTimeZone.Text = "Normal Time" Then
If CurDate.AddDays(1).Day = "1" Then
[Code] .....
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Jun 18, 2011
Public Class frmBank
Dim sr As IO.StreamReader 'sets variables throughout the program
Dim FromFile As String
[code].....
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Jan 15, 2010
I have noticed in a windows-based VB application I am working on when the "Automatically adjust clock for daylight saving changes" is de-selected, the time in the application is off by one hour. Is there anyway to make the application not sensitive to that and just display the date value that is retrieved from the database?
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Mar 29, 2010
I'm using VB 2008 express edition.I have to show the growth of savings in a bank account using input from two text boxes that will be deposit amount and interest rate. I have attached a picture of my form.I have declared my variables and now I'm working on my processing.When the compute button is hit, based on the deposit amount and the interest rate, the amount of years it takes to double the money and the amount of years it takes to become a millionaire with that amount will be displayed in the lower text boxes.
Here's some of my math reasoning...
Doubling time formula : 2P = P(1+ i)^n I tried solving for ^n and got: n = logP(1 + i)/log2P
Is this correct? How do I express logarithms in VB?As for the amount of years that it takes to become a millionaire, can I simply take the deposit amount for example $500 dollars and divide 1,000,000 by 500 to get 2000 so it takes 2000 deposits of 500 dollars each to reach 1 million. Is my arithmetic correct?
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Feb 4, 2012
I'm using Visual Studio 2010 / VB / dot net 4.0, and I have a drop-down menu in my left column that switches resource languages for the end user. It reads like this:
--------English ------- <<- Engish is always the default top language option
French |
Spanish |
[code].....
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Feb 15, 2012
I have two combobox in a form: Cb1 and Cb2
When I load the form, Cb1 and Cb2 are connected to a bindingsource.
When I change Cb1, the code (below) changes Cb2 to show only the items according to Cb1
This is working fine.
The problem is when I change Cb1 , change Cb2 and click the save button..... Cb2 seems to be 'lost'...
I'm using VS2008.
CODE:
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Dec 15, 2011
I have a DGV I am working on, and I have many columns.
For example I have Columns colcase(Combobox), colreportTime(Time)
the combox shows 4 cases {A,B,C,D}
what I need to do is if the user select "C"
the the colreporttime will show the time of this change unless the old value is C
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Feb 20, 2012
I'm getting familiar now with using the Dataset Designer and how it makes for quick and easy updates and query of tables. I use to use the OleDB commands and leave the Connection String as a Global Constant so I can easily change it if the server name changes, or if we have to re-direct the .NET to another instance of the database.
But now that I use the Dataset designer I'm concerned that I maintain flexibility and support in the long run. how the Dataset designer works and where it stores it's connection string info? And how difficult that would be to update. It looks like I modify the App.config file, but I'm unfamiliar with this.
What am I getting myself into? It looks like a standard XML file. Is that it?
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Feb 9, 2011
Ok, so I know I have to change the labeledit to true but that doesn't change the selected node to be able to edit, so how does that work?
Along with renaming I have it set to that a user can add a node. So once the node has ben added how do I let them rename it as it is being added and without being a prompt or inputbox? So lets say I cam clicked on a parent and they click add node, it adds it to parent but I have it so it is default "New" but I want them to edit it as it is added. I think it will be along the same lines as clicking on one and rename but I have to start some place.
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Nov 30, 2010
Can someone please help me create a very very simplistic sample page as the chat page included is too coomplete. something as simple as detecting a change in the database and displaying the word "change" on screen in realtime for any client connected.and I tried creating a global.asax file into which I added in the line mentioned in the link above, but it does not seem to like the word "Setup" in the line [code]
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Dec 2, 2009
whats wrong with my code?if i change the item from the combo box..the textbox not change or has an error?
conn = New MySqlConnection()
conn.ConnectionString = "server=localhost; user id=root; password=12345; database=gigzta; allow zero datetime=no"
strsql = "SELECT accNo FROM accinfo WHERE (completename LIKE '%" & ComboBox2.Text & "%')"[code].....
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Aug 15, 2011
I have 10 Comboboxes in a form. All these combo boxes have databound items which come from the same column in a table in the database (access 07) (Am designing a billing software, and these comboboxes show the items (10 lines of them).All these combos reside in one Groupbox.Now for the strange (scary/funny) part, whenever I change a value of 1 combo, all the other combos change automatically and show the same value as the one that was changed. (strange!).
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Sep 27, 2010
I have a change calculator program that has two user inputs and 6 outputs. The user inputs how much money is owed, then how much money is received. IT will then display how much change you need to give back. It should also display the different types of currency that are available to give as change. Here is my code so far.
[Code]...
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Jan 13, 2010
I'm working on a simple base form in which all the other forms in the project will inherit. This base form only adds 5 properties (at the moment) dealing with painting a gradient background. The problem I'm facing right now is when I change a property on Form1 (the test form) and click run it doesn't show that change. I also checked the .designer.vb file and when I make a change it's not added to the code behind file, I'm at a loss right now to why.
[Code]...
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Mar 11, 2011
I am throwing some data out into Excel and am having some formatting troubles. I have 5 columns (date, time, a long number I don't want displayed in scientific notation - text is fine, text, text). I can get it all working with numberformat, however I have to do them different ways.
Date works this way cell.numberformat = "m/d/yy" and it formats it to say 3/1/11
Time works this way cell.numberformat = "h:mm AM/PM" and it formats it to say 8:07 AM
For the long number cell.numberformat = "@" and it doesn't change the format and it gets displayed in scientific notation
BUT if I use cell.style.numberformat = "@" it works as it should, but it messes up all of the date and time cells. Apparently when you use style.numberformat, it doesn't just apply to the cell you're working with. If I try using style.numberformat with the date and time formats, they don't change and are entered as if I didn't change the format at all.
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Mar 20, 2010
So, I've got a text boxes which loads up a content from a XML file, usually a numbers I want a button, so when I will change the numbers on the text box, the data in file will change as well, in other words a save button That's how the data is being taken from a file
[code]...
Those EditPaths, Playa2 etc are making up a path to a file
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Feb 18, 2009
means the images that will display in the picturebox is based on the value shown on the textbox (ProjID)..
Please see code below..
[CODE
Public Class Form4
[code].....
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Jun 24, 2010
How to know HTML source change or not change because this web site written ASP.net and information is changing in TABLE tags when pressed button.I'm not reading when change the TABLE tags.
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Apr 9, 2009
I have a treeview and text box below it... is it easy or even possible to allow a user to change the height of the treeview which will automatically change the height of the textbox so there is no gap between them?ie one gets bigger the other gets smaller etc etc
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Jun 14, 2010
I have the Context Menu Options like ( Small Font , Large Font ) based on the selection I want to change the size of the Font in the Controls,Control's Size & location(x,y,height,width). The resize of the controls should not affect the look and feel of the forms.
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Mar 10, 2010
I inherits textbox Control and I added some new properties to it .one of these properties value i want it to change it's value in desgin time when i change Name property of the new textbox
Public Class NewTextBox
Inherits TextBox
Private _txtSubName As String = String.Empty
That is the property for set or get SubstringName of Textbox
Public Property SubName() As String
Get
Return _txtSubName[code].....
that's the property i want to change it's value when i change Name property of the control.i tried to overrides Name property but it's not overridable also i trieds to overloads it but it doesn't work in desgin time.Here is something i tried but it's wronge.
Private _txtName As String = ""
Public Overloads Property Name() As String
Get[code]......
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Mar 5, 2009
OK So basically as the title says, in my browser i have tabs, now when a new tab is open and the user will go to a new page, if they click to the next tab the url box & document title remain the same (until they click a link or something) are there any methods of detecting when the person clicks to another tab so that i can code it to change the textbox and form text?
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Jul 29, 2009
I want to change my controls opacity .I know how can i change the form opacity but I want to change the controls opacity without change the the form opacity , such as : "I want to set my form opacity = %100 and the button opacity = %50 " or "I want to set my form opacity = %50 and the button opacity = %100 " I'm using visual studio 2005 .net .I want to do that in basic language
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Feb 26, 2011
How to change all properties of a form to properties of other but don't change important properties like Owner,Handle, OwnedForms, Parent,HasChildren,Controls and ... .I have a child form that i want it to provide controls of Form.The background form provides Aero frame and child form is a transparent form in it.I want it because I want to draw buttons with system style in Aero in Windows Forms.This is my own code but it does not work good (ForeForm is child form):
For Each Propertry In ForeForm.GetType.GetProperties()
Select Case Propertry.Name
Case "AeroBackgroundEnabled", "FormBorderStyle", "TransparencyKey", "Parent", "Owner", "ShowInTaskbar", "Handle", "HasChildren", "OwnedFo[code].....
Additionaly:I wrote a great Aero Form.I don't publish current version (1.2) that supports Aero Blur,RealTime Aero Color change,extend Basic theme?
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