DayOfWeek As Integer?
Aug 3, 2011
I can't seem to get something that seems pretty simple to work. I have a dropdown that has options like 'Every Monday and Tuesday' which would have a value of '12' (1 for Monday and 2 for Tuesday). In vb I then have a variable (sd as Date). What I need to do is see if the DayOfWeek for the variable is in the dropdown selected value (sort of like 'dropdown.selectedvalue.indexof(sd.dayofweek)'). Indexof returns either Nothing or an integer correct? Below is the specific code
Dim dow As Integer = sd.DayOfWeek
If (dropdown.SelectedValue.IndexOf(dow.ToString) = Nothing) Then
[code]......
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Jul 26, 2011
I'm trying to find a way of using DayOfWeek.Monday but by selecting it on a form.
So if the user selects Tuesday from a drop down combo box, then programmatically it will be DayOfWeek.Tuesday.
This is the current code:
Do Until dtpEndMonth.DayOfWeek = DayOfWeek.Friday
I want to say something like:
Do Until dtpEndMonth.DayOfWeek = DayOfweek.Me.Controls("ComboBox1").Value
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Jun 21, 2012
I am trying to figure out if the DayOfWeek Enumeration list can be sorted by using the integer value (ie Sunday = 0). Ultimately I want to take the DayOfWeek Enumeration list and population a dropdownlist with the days of the week from Sunday - Monday and I do not want to hard code the items in the HTML markup. Is this possible?
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Apr 5, 2011
Finding the right way to code my program. I want to have the Now.DayOfWeek updated every 60 sec, as it only update on startup. I have been trying many diffident solutions but just can seem to find one which works.
Public Sub New()
'Opbygning af menuen
mnuDisplayForm = New ToolStripMenuItem("Vis bnings tider")
[CODE]...
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Jan 30, 2010
I was wondering if there was a way to directly convert the integer DayOfWeek returns into a string representing the day like Monday, Tuesday etc.
Sample code:
MessageBox.Show(Date.Today.DayOfWeek)
This will return 6 (as of today). Is there a way to directly convert this into Saturday, for example? I don't really care what it really converts it into, but I want to do away with my Select Case:
Select Case Date.Today.DayOfWeek
Case 1
day = "Monday"
[Code]......
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Dec 7, 2010
In app.config, I supply a cycle string value: "Monday", "Tuesday", ..., "Daily". From that value I wanted to assign a <Flags()> enum. Simply using DayOfWeek does not give me the ability to flag a process as a daily routine. Is there an available .Net class that does provide the day of week as a flag?
In the meantime, I devised the following:
<Flags()> _
Public Enum enumExportCycle As Integer
Monday = DayOfWeek.Monday
[Code]....
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Sep 25, 2010
ive got some simple problem i cant understand how to solve.
str(1) is an array and integer(or double, tried both)
a(1) is an array and integer (or double, tried both)
a(1) = a(1) + 1
Label1.Text = str(1) + a
the big part is where i get: operator '+' is not defined for types 'integer' and '1-dimensional array of integer'.why do i get that message and what does it mean? how do i make the code do what i want?
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Aug 11, 2011
I faced an error when upgrading VB6 code to VB.NET. The error occurs at AddressOf WindowProc
AddressOf expression cannot be converted to 'Integer' because 'Integer' is not a delegate type
My declaration for SetWindowLong is:
Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA"(
ByVal hWnd As Integer,
ByVal nIndex As Integer,[code]....
What is the reason for the error I get?
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Apr 25, 2011
I'm trying to create a linked list of an array of integers. Why is the following implicit conversion required?
When I run the code that contains that conversion, I get the following error.
As a real-time data acquisition user control data (a packet of an array of bytes) arrives every second, is converted into an integer array and inserted into a linked list.
The most recently arrived data is painted as coordinates on a grid at the right of a PictureBox using Graphics.DrawLine (pen,X1,Y1,X2,Y2).
The oldest data (arriving 120 seconds ago) will be drawn at the leftmost portion of the Picturebox.
Why a linked list rather than a list? To display 120 views of time sequence data, the draw routine the most recently inserted node to a node that points to Nothing. How do I limit the length of the linked list to 120 nodes and always ensure that the last node points to Nothing?
Do While Not item Is Nothing
item = item.NextItem
Loop
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Aug 3, 2009
I am a newbie in VB and I got a piece of code which can display the current running program. I need to use that in VB2005 and I got the below error message. Can anyone help how to fix it?[code]
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May 13, 2009
I'm trying to convert a VB6 project to .NET, but I get problems with some callback functions, and the following message comes up: "AddressOf' expression cannot be converted to 'integer' because integer is not a delegate type" I've seen several solutions to similar problems like this, but I am not able to understand this issue with delegates.
After the conversion, the code look like this:
Declare Function vsmsgwSetDataPackageCB Lib "vsmsgwW.dll" (ByVal PACKAGE As Integer, ByRef arg As Integer) As Integer
Dim arginitP As Integer
[Code]...
Which gives the error: Method 'Public Function PackageCB(HisNodeID As Integer, ByRef data() As Byte, ByVal length As Integer, ByRef arg As Integer) As Integer' does not have the same signature as delegate 'Delegate Function DelegatePackageCallback(hwnd As Integer, lparam As Integer) As Integer
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Sep 19, 2011
I have a LINQ2Entity problem, I want to get the value, string, from a database, so I select FProducts.Serial_number, and to end the query, I do .ToDictionary. The problem is, it tells me that it doesn't have sufficient parameters, to convert ToDictionary. So I need something like select FProducts.Serial_number, Nothing). ToDictionary. Also FProducts.Serial_number, 0).ToDictionary doesn't work.
Sub GetStatistics(ByVal ProductNumbers As List(Of String), ByRef Passed As Integer, ByRef FailedProducts As List(Of String))
Passed = 0
FailedProducts = Nothing
[Code]...
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May 9, 2012
this is for a BINGO game final project that I already turned in but this just bugged me that I could not get the sorting figured out. I am trying to get this to sort the random numbers in to columns under the correct letters but I keep getting the error Operator '>=' is not defined for types '1-dimensional array of Integer' and 'Integer' under the line:
[Code]...
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Aug 11, 2011
I am new to EF Linq and I have been struggling with this query for a few days. From reading this forum, I have managed to get this far:
Dim noPic = (From f In myEntities.FriendLists
Where (f.UserID = Profile.ID)
Select f.FriendID).Except(From g In myEntities.GuestLists
Where g.EventID = _id
Select g.FriendID)
[Code]...
I am trying to get everybody from the FriendList who is not already on the GuestList to display in a Repeater control. After reading the forum I was able to append .First() to noPic at the myNoPic declaration and finally get a result but that only gave me the first element. Does anybody have any advice on how to accomplish this?
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Mar 14, 2012
Why doesn't CDate(integer) work where integer has format of YYYYMMDD ?and why won't this stupid site let me submit such a short question when I have nothing else to add except some waffle at the end
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Aug 3, 2010
This is giving me a headache. I have this link query here that grabs an ID
Dim mclassID = From x In db.SchoolClasses Where x.VisitDateID = _visitdateID Select x.ClassID And then later on I have this linq query
ViewData("Staff") = From t In db.Staffs Where t.ClassID = mclassID Select t
I've tried quite a few things but to no avail. I've attempted casting, converting, Is operand, etc.
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May 28, 2009
I'm just writing a bit of code to compare an id of integer with an id of integer? for example:
Dim id As Integer = 1
Dim nullId As Integer? = Nothing
Dim areEqual As Boolean
areEqual = nullId = id
When I try to compile the code I get a compiler error: Option Strict On disallows implicit conversions from 'Boolean?' to 'Boolean'. Whilst it's very simple for me to work around this, I was hoping that someone might be able to explain what's going in the compiler to give this warning.
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Apr 5, 2009
I'm trying to set an Integer value from my.settings.The values comes frpm a listbox, and then inserted to settings (set to specialized.StringCollection)The problem is when i'm trying to get the values and apply them to my function.Error code: Conversion from string "65 & 71" to type 'Integer' is not valid.To me it looks right, but maybe i'm missing something.
Code: Dim test2 As Integer Dim test As System.Windows.Forms.Keysm trigglist As New StringBuilderor Each item As String In
[code].....
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Nov 28, 2009
i am doing one project in which i declare integer value and asign value to that integer in which
see the following code
[Code]...
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Jan 27, 2010
i tried this, but had invalidcast at line 2.
vb.net
Dim a As Array = Array.CreateInstance(GetType(Integer), New Integer() {1}, New Integer() {1}) Dim b As Integer() = CType(a, Integer())
what i'm trying to do is to create an Integer array with LBound greater than 0. any way would be accepted, or can i say this: my function that takes i As Integer() as its argument does not have to check the LBound of i because there is no way LBound of i will ever be greater than 0
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Jun 20, 2012
Can somebody explain the second one to me? I'm not clear on the concept.The first one I know is an array of integers. but what about the second one?
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Dec 7, 2009
Is there any difference between these two ways of declaring a Integer and setting the value to zero? vb.net Dim x As Integer = 0' or...Dim x As New Integerx = 0 Is one way better than the other in any situation?
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May 14, 2010
How can I join more than one integer number to become one integer (Long) number?
e.g. 2, 3, 2 and 5 = 2325
123, 7 and 2 = 12372
10, 0, 5 and 1860 = 10051860
0, 10 and 450 = 10450
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Oct 10, 2011
Using VB.Net
[Code]...
From the above 4 value, i need to take max value. so the max value is b = 30 How to get max value.
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Oct 18, 2010
I have a value in variable, say it is dim a as integer = 145.98 I tried to take the Left(a,2) but it returned an error instead of returning 14 I also tried left(a.Tostring,2) but error is the same.
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Feb 12, 2011
Why do I get the error: Value of type System.Random' cannot be converted to an 'Integer'
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
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Jul 17, 2011
when I used
Integer.Parse(CustomerID, System.Globalization.NumberStyles.HexNumber) to convert from hex to interger it display like this &H566
ho to remover &H or how to convert in another way .
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Jun 20, 2009
In c++ we declare integer's hex value like this
int myint=0xabcd;
so how to i declare integer's hex value in vb.net
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Apr 20, 2012
I currently Have an array ...
Dim mTeam(10) As String
In the Form load For visual basic i have
'Load Teams
mTeam(1) = "Oklahoma"
mTeam(2) = "USC"
mTeam(3) = "LSU"
[code]....
ButtonName (button to do all the work and show messagebox) i already have a try catch to have it only take integer values between 1 and 10.
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Jan 7, 2010
A few weeks ago I found out that you can give value types etc.. your own name. Something like:Imports Int32 = MyInt..But I forgot how to do it.
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