Initialize Arrays - Get Values For Array Elements
Nov 5, 2009How to get values for array elements in VB.nET from the user.also i wanted to display these values in the combo box.[this is easy i could manage this].
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Are The Values Of Array Elements Defined Upon Defining An Array?
Sep 13, 2011I feel quite silly asking this, but I couldn't find a definite answer anywhere. in vb.net, how are the array elements defined (if they are defined) for, for example:
Dim myarray(5) as int
does, at this point in time, myarray(3) for example have a defined value? If so, what is it?
Enter Values / Elements Into Dynamic Array During Runtime
Sep 4, 2010I am new in programming. And I am coding with VB.Net (VB2008). On my form I have 9 checkboxes. And each of this checkbox when checked is meant to submit a value to a dynamic array. Initially the array was a constant that was declared like these:
Dim Notes() AS integer = {1, 2, 5, 10, 20, 50, 100, 200, 500, 1000}
But I want the array to be dynamic. That is the user of the program is to enter the element of the array. So I decided to use checkboxes. So that if the user of the program checks any of the checkboxes, a particular value or element should be submitted into the array. And the user should be able to check as many checkboxes and have values representing those checkboxes submitted in to the array.
For example: if the user check checkbox1, checkbox2 and checkbox50.
The array should look like these. { 1, 2, 50 }
or if the user check checkbox1000, checkbox200, checkbox10 and checkbox500
Then the array should hold or contain the following integers in this order; {20, 200, 500, 1000}.
That is the array is dynamic and the content/elements of the array and the bound of the array should depend on the checkboxes that is checked. What other means can I used to enter values/elements into a dynamic array during run time.
.net - Initialize ArrayList WITH Elements?
Jan 27, 2011I can create an ArrayList, but, is it possible to create it WITH some elements already?Normally, your arrays are empty, but what if I want to create an array with a few elements already?
View 2 RepliesMulti-Dimensional Arrays - Code To Set Array Values And Store Them In A Variable
Aug 7, 2010I have this code to set array values and store them in a variable,
Dim productName As String()
Dim productPrice As String()
Dim productCategory As String()
[CODE]...
How do you get the variable values to output like this?
<input type="text" value="Chang Beverages $19.00" id="Chang" /><br />
<input type="text" value="Ipoh Coffee Beverages $46.00" id="Ipoh Coffee" /><br />
<input type="text" value="Gula Malacca Condiments $19.45" id="Gula Malacca" /><br />
Classes And Arrays How To Initialize
Nov 1, 2011working on some partial classes but I ct figure out how to do it.This is my classes:
Partial Public Class Form
Private InfoField() As Info
Private FormgroupField() As FormGroup
[code].....
XML - How To Deserialize Elements And Arrays
Nov 26, 2011I'm having a problem to deserialize a XML to my class. It was working fine until a put the array det within the class. I put a watch just after the deserialization occurs (data = Ctype(...)), and I can see that all the informationswere loaded (ide, emit, dest) correctly except for the det element: The det whose nItem=1 attribute is loaded, but det whose nItem=2 attribute is not. With the watch, I could see that the object was loaded like a single variable, not a vector as I specified in the property declaration.
Below is where the deserialization happens when the button is clicked:
Protected Sub btnDes_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDes.Click
Dim data As New nf
'DeSerializacao XML
Dim Deserializer As New Serialization.XmlSerializer(GetType(nf))
[Code] .....
Initialize An Indefinite (eg. Decimal) Array Without Setting Boundaries On The Array Length?
Nov 10, 2009initialize an indefinite (eg. Decimal) array without setting boundaries on the array length?
View 2 RepliesDisplay For Both Arrays The Elements Using For Each Statement?
Oct 21, 2009I read and the display values associated to a unidimensional array(called vec that has 5 elements) and a multidimensional array called
matr(that has 4 elements).And I'm displaying the associated values for each of the 2 arrays (vec-unidimensional array and matr multidimensional array).My problem is that I want to display for both arrays the elements using For Each statement.
Here is the code:
Module Module1
Sub Main()
Dim vec(4) As Integer 'declarare tablou unidimensional -vector de numere intregi
Dim matr(2, 2) As Integer 'declarare tablou multidimensional -matrice 2x2 de numere intregi
vec(0) = 45 ' setam primul element din vector la valoarea 45 -primul element are index=0
[code].....
Use Different Coding In Various Elements Of Control Arrays
Apr 13, 2010I have a control array of custom picture boxes on my form, say PibBox1, PicBox2 etc. Now, I want to access the individual click events of this control arrays. For eg: If we have three PicBox1, PicBox2, PicBox3 on the form, I want to move into the click event of each of these and assign a value to a variable PicSeletced =1, PicSeletced =2, PicSeletced =3 accordingly as the PicBox1, PicBox2, PicBox3 are clicked. But I don't know how to move into the individual click events of the control array.
View 13 RepliesWay To Keep These Arrays As Small As Needed While Being Able To Add New Elements On Fly
Apr 30, 2009I have 3 arrays setup for use in my program. The first array has item level detail and will have a known number of elements. The second array has more of a table level detail and will have an unknown number of elements that will need to grow as the user enters data The 3rd array will also be of unknown size but matching the second array and will be used for indexing purposes at runtime.The question is what would be the best and hopefully fastest way to keep these arrays as small as needed while being able to add new elements on the fly without rebuilding the entire array. Ideally I would like the code to run as fast as possible in as little memory as possible.
View 9 RepliesInitialize Byte Array To Zeros Given A Specified Array Length?
Aug 2, 2011given the following Sub, how would I initialize byte array 'temp'to zeros and give it the length of the incoming byte array passed into the subroutine?
Sub ReceivePacket(ByVal buffer As Byte())
Dim temp() As Byte 'initialize to zeros and length of buffer
temp = buffer.Skip(17).ToArray()
End Sub
Setup A List Consisting Of Arrays Of Two Elements?
Feb 27, 2009I need to set up a list consisting of arrays of two elements. Simple, right?
Like: (code snippet):
Dim strDataPoint(1) As String '2-element array
Dim lBiasCurve As New List(Of strDataPoint) 'list of 2-element arrays
Dim lPwrCurve As New List(Of strDataPoint) 'another list of 2-element arrays
But this gives me an error msg on 2nd and 3rd line: type strDataPoint is not defined....
An Array Of Objects - An Entry Will Be Stored In Serialports(4), All Other Array Elements Will Be Blank?
Jun 1, 2009I've come up with the following and it's partly working.
Public serial1, serial2, serial3, serial4, serial5 As SerialPort
Public serialports() As Object = New Object() {serial1, serial2, serial3, serial4, serial5}
dComPort = "COM4"[code]....
The above code works fine! But im having trouble trying to now retreive whats stored in the array.In the above example, an entry will be stored in serialports(4), all other array elements will be blank.If I do this it works.
MsgBox(serialports(4).PortName) ' this retuns the value COM4
But I'd like to loop though all array elements and print out ALL the PortNames, The below code doesnt work, I get an error Object variable or With block variable not set.
For i = 0 To serialports.Length - 1
MsgBox(serialports(i).portname)
Next
Merge Array Of Elements Into Larger Array When Element Order Is Different?
Nov 23, 2010Assume I have an array myArray1 = { A, B, C, D, E, F, ., T}I have another that contains a subset of the elements of myArray1 but where the order may vary
View 3 RepliesHow To Initialize Array Without Using Loop
Feb 13, 2012I define a arrary.
Dim myStr(100) as string.
Then the length of this array is still 0. Then is risky to cross the bound. So how to intialize this array without using a loop?
Initialize This Array Of Booleans?
Oct 6, 2010is there a shorter way to create an array of 215 boolean 'true's than the following?
Dim ArrayOfBits As Boolean() = {True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True, True,
[code]....
Way To Declare And Initialize Array?
Nov 26, 2010Assuming the array has 216 elements:
Dim Data As Integer() = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
[code].....
C# - Initialize An Array Variable That Has Already Been Declared ?
Sep 15, 2011In C#, I can declare an array variable like this: object[] Parameters;
And initialize it like this: Parameters = new object[20];
In VB, declaring and initializing an array is easy:
Dim Parameters(19) As Object
Dim Parameters As Object(19) ' Alternative Syntax
How would I initialize an array variable that has already been declared in VB.NET? Parameters = New Object(19) doesn't work.
For example, how would I translate the following to vb.net?
int value = 20;
object[] Parameters;
if (value > 10)
{
Parameters = new Object[20];
}
How To Initialize Array With Label Objects
Oct 4, 2011[URl] The code in question is specifically at line 143. Whenever I try to access a label in the array like so Dicelbls(0).Text I get a null reference error. Obviously I am not declaring the array right?
View 3 RepliesInitialize Program String Array?
Jul 5, 2011How create a array of objects (another class) in VB.NET and initialise it. Since I am not sure about the length of the array, it should be generic. I mean I should be able to add any number of objects to the array.
View 2 RepliesInitialize Rectangular Str-array In VB2010?
Sep 16, 2011I need some constant arrays to be ported like this one:
[3] - first dimension
[2] - dimensions in each first dimension
[3] size of string array is needed in the language i'm porting from, y - 0, o - 1, \0 - 2 = 3 new RevTable[3][2][3] =
[Code]...
VS 2005 - Initialize Jagged Array
Oct 2, 2009how do i declare jagged array? it has 7 elements consisting of 2 to 8 elements consisting of 3 elements.[Code]
View 1 RepliesVS 2008 For Loop To Initialize Array
Mar 25, 2010Im in a programming class and im having trouble with two problems.
Problem 1.
1. Declare an array of data type Integer with size 10
2. use a for loop to initialize the array with 1, 2 or 3 using given random number function below
3. display content using msgbox.
'paramaters
'low - the lower bounds of range
'high - the upper bounds of range
'returns
[Code].....
While Loops - How To Initialize Multidimensional Array
Jul 12, 2011I am trying to initialize a multidimensional array. Here is my syntax; this does not create errors but it does not store all values either. Although it correctly prints out all records in this snippet,
dFirstWeek = CDate(FirstWeek)
dFirstWeek = DateAdd(DateInterval.WeekOfYear, -1, dFirstWeek)
Dim dFirstDay As Date
Dim arrWeekYear(5000, 1) As Date
Dim i As Integer = 0
Dim j As Integer = 0
[Code] .....
But this time, only one "j" record appears per "i" record. Why is this? And then after these few records, many dates resembling null dates appear: "1/1/0001". So why do all records appear in upper section, but not from lower? Did I insert values wrongly into this array? And it does not have to have fixed number of rows, just a fixed number of columns.
Dynamically Initialize And Print 3D Array In Program?
Jun 24, 2012How to define ,dynamically initialize and print 3D array in vb.net ?
I have this code that return a 3d array and I have errors telling me the there is an argument out of range [code]...
Initialize A Friend Array In Main Form
May 11, 2012I am working on a VB Windows Form and I have a question here about initialize an array (friend variable)[code]But this didn't work and it thrown an exception says Object reference not set to an instance of an object.I am wondering how I can have the array initialized to size 4.
View 1 RepliesVS 2005 : Initialize String Array In Parameter?
Mar 9, 2010how should i initialize the string array in this procedure call
vb
Private Sub SetAddres(Optional ByVal Addrvalues(4) As String ) End Sub
how to initialize it with values and also with empty strings or null values
Check If Array Consist Of Only Elements From Another Array?
Nov 29, 2010check if array consist of only elements from another array
View 3 RepliesCopy Multiple Elements Of One Array Into A New Array
Jun 5, 2011I have a one-dimensional array that has one number per element. I also have a variable number, var. I need to take the number of elements from the first array that equals the var and put it into a second array with commas between the numbers. I would also like to have a title element in the second array. [Code]
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