Can't 'Redim' Referenced Array By Reference Object
Jan 16, 2011
I have an object array that I want to reference. The object array is in a deep set of classes so it takes class1.class2.class3.class4 just to get to it. I need to use this many times throughout my code so I figured I'd just create an object i.e. Dim Obj as Object and reference this array:
Dim Obj as Object = Class1.Class2.Class3.Class4.ObjectsArray
Problem is I can't resize the referenced array, by using the reference. The following does not work:
Redim Obj(5)
How come it isn't referencing my object array completely? is it because its the same object type?
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Aug 6, 2010
Here is the structure that I have:
Friend Class StandardFormatFile
Friend fileType As String
Friend numberOfSeries As Integer
[code].....
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Feb 22, 2010
The last line in the code below throws the error. Is it because I haven't intialized the size of the byte array?
Public Class Form1
Private toSocket_IPP As Byte()
Public Sub New()
[code].....
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Jun 27, 2011
This is my structure...
<Serializable()> _
Public Class AcctRecords
Public Amount() As Long
Public DateC() As String
[Code] .....
This is where I try to create a new instance but I get an error that states:
Overload Resolution Failed Because No Accessible "NEW" accepts this number of ArgumentsPrivate Sub FixMasterArraySize(ByVal Cnt As Integer)
ReDim Preserve Acct.Master(Cnt)
For I As Integer = 0 To Acct.Master.Length - 1
Acct.Master(I).AcctType =
New String
Next
End Sub
If Acct.Master(I).AcctType was a Boolean type there would be no error..
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Jul 23, 2010
In a case where you would like to reset an array of boolean values what is faster, rediming the array or enumerating and resetting the values? I have run some tests and they seem to suggest that a redim is a lot faster but I am not convinced that it isnt a result of how I'm running the tests.
My tests seem to suggest that redim is nearly twice as fast.So could anyone care to comment on which is faster and why? Also would you expect the same result across different languages?
[Code]...
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May 13, 2010
I have the following array in my project that I'm trying to redim without losing the values.The problem with redim preserve is I can only redim the last dimension of the array. I want to redim the 2nd dimension without losing data. How do I get this to work?[code]
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Apr 4, 2012
[edit]Sorry I left a bad title in this thread - confusing![/edit] Been a long time since I used an array - they are so limiting...But I need to build a simple string array - that I'm passing to a C/C++ function.
Is there any other way to do this other than keep REDIM PRESERVING??
[Code]...
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Jun 30, 2009
I have an array declared:
[Code]...
This statement works fine in ASP, but when I switch to ASP.Net, it give errors 'ReDim' cannot change the number of dimensions of an array.
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Jul 13, 2011
I can't fix following code:
Private Sub Dic_List(ByRef sender As Array)
Dim L_sender As Integer
L_sender = sender.Length / 5 - 1
ReDim Preserve sender(4, L_sender + 200)
End Sub
Error 1 'Redim' statement requires an array.
But sender is an array.
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Jun 7, 2009
with a function to redim preserve a multidimensional array (2d) and change both dimensions, also it would be a
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Apr 11, 2010
I have this recently converted application from vb6 to vb.net 2008. One of the errors stated is:'Point' is not a member of 'System. Windows. Forms. PictureBox'.I have searched and not found an alternative to this.Also, it says ReDim cannot change the number of dimensions in an array.
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Mar 23, 2012
I have been trying to assign value to an object array that is defined as follows.Dim englishTextAry As Object(,) = New Object(,) {}I am looping through a dataReader and trying to assign the values to this array with the following code.[code]But the ReDim is throwing an error on dataVal not being an Integer.What am I doing wrong here? Can anyone point me in the right direction?
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Oct 20, 2011
I'm upgrading my VB6 project to VB.NET and I found one of the problem below relating to dimensional array.Here's my VB6 coding :
Private Function ConvertMatrixToBase0(ByVal MyMat() As Double) As Double()
Dim i, j As Long
Dim ConvMat() As Double[code.]...
When i port it over to VB.NET, i encountered error message 'ReDim' cannot change the number of dimensions of an array. for the line highlighted in red. And I suspect that VB.NET need to always define the exact dimension of the array during the declaration. But for the function above, for the array of 'MyMat()', I do not know what is the exact dimension every time it runs, and that is why i need to check the dimension of the array.My question is do we have any solution in dealing unknown dimension array in VB.NET? As in VB6, we can just define Array() instead of Array (,) in VB.NET.
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Mar 15, 2012
As you will see from the code below I need to be able to tell before the array runs how many members of the array there are or else the program will crash. How can I redim the array depending on how many lines are in the text file (RECORDS.txt)
Imports System.IO
Public Class Form1
Structure Nation
Dim name As String
Dim continent As String
[Code] .....
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Dec 23, 2011
As you will see from the code below I need to be able to tell before the arrayruns how many members of the array there are or else the program will crash. How can I redim the array depending on how many lines are in the text file (RECORDS.txt
Imports System.IO
Public Class Form1
Structure Nation
[code]......
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Oct 14, 2009
I am trying to get the value of a dropdownlist and post it to the viewstate and I am encountering this error:Object reference not set to an instance of an object. Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 142: 'Mimick the DropDownList
Lin 143: Dim ddl As DropDownList = CType(ctrl, DropD
[code].....
When I place a breakpoint on that line and add a watch it says the value is "Referenced object has a value of 'Nothing'"How can I check for a value of nothing? I thought that is what the IsNothing was for. I have tried Convert.ToString() and still the same result.
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May 4, 2008
The code below is the entire class that has the error in it... the errored code is highlighted in red. The error is,'ReDim' cannot change the number of dimensions of an array.
Code:
Public Class clsMap
Dim SR As System.IO.StreamReader
Public Width As Integer
Public Height As Integer
[code]....
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Sep 22, 2011
I have a gridview in my asp.net website that and I use vb for the code behind. Each time a row is bound an even called the Gridview_RowDatabound event is fired. So what I am doing is looping through all the cells in that row: [Code]
Problem is I get an error saying redim can only change the rightmost dimension. It would suit my needs to change both dimensions here as my final result will be to total each column in the array. what other method can i use if arrays don't suit this task.
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Jun 8, 2009
I have a dataview which I want to copy to another object that is not referenced by the original one.
What is the syntax to do this? The code below creates a new reference to the same object so I cannot modify one without modifying the other:
Dim filteredCategory As DataView
filteredCategory =
Me.ProductCategory
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Mar 17, 2012
The book "Beginning ASP .NET 4 in VB 2010" contains the following:NOTE: TaxableProduct inherits from Product.You can also cast in the reverse directionfor example, cast a Productreference to a TaxableProduct reference. The trick here is that this
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Jun 6, 2011
I am trying to instantiate a c# class whose project is referenced within a vb.net project.By providing the following declaration/instantiation of the class, I hoped to be able to access the instantiated classes publicly declared byte array within a vb.net module.The compiler won't let me. I get the message Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated. It wants me to replace the reference to the instantiated class and public member frameData() with the general Class definition name. Why can't I access frameData through the instantiated variable rxFrame?
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Aug 26, 2011
I have this bit of code
Private Sub SpellChkMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles SpellChkMenuItem.Click
Dim activeRichTextBox = TryCast(Me.ActiveControl, RichTextBox)
'clsFS.CheckSpelling(activeRichTextBox)[code]....
When I am in the rtb and click on spell check button it tells me the error "Object reference not set to an instance of an object." On this line
SpellChecker.Text = activeRichTextBox.Text
But it is suppose to be getting the focused rtb correct? So why is it not referenced
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Nov 28, 2010
I am receiving this error: Reference to a non-shared member requires an object reference on the code I've
bolded within the code body. Here is my code:
[Code]...
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May 8, 2010
I get this error:Reference to a non-shared member requires an object reference.When i compile on the following code section:
Private Sub statusBarToolStripMenuItem_Click(ByVal sender As Object, ByVal e As EventArgs)
ToolStripMenuItem.Checked = Not ToolStripMenuItem.Checked
statusStrip1.Visible = ToolStripMenuItem.Checked
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Jun 20, 2011
when I do something like this: Process.Start [URL] it says that error only on Form2 not Form1.
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Jul 23, 2009
Error 'Reference to a non-shared member requires an object reference'?I want to know what a non-shared member is.
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Dec 7, 2010
I am opening frmB (variable for FormB - the actual form) from frmA. From btn1 I open frmB like this:
frmB = New FormB()
frmB.Show()
From btn2 (frmB is already open) I bring frmB to the front from behind frmA:
FormB.Show()
FormB.BringToFront().
No problem so far. Now I need to pass an arg to frmB. This is where I am having the problem.
from btn1 (in frmA) I do this:
frmB = New FormB(myArg) '--pass myArg to constructor of FormB -- no problem here
frmB.Show()
then from btn2 -- this is where I have the problem
FormB.Show()
FormB.BringToFront()
I tried placing myArg in FormB.Show(myArg) but that did not fix the problem. What is the correct way to pass myArg to FormB (frmB) in this scenario? Do I need to share FormB or frmB? How do I do this? "frmB" is frmA level variable.
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Sep 22, 2009
why i am getting an "reference to a non-shared member requires an object reference" error on format.Yesterday gets the previous days date and presents it in a yyyyMMdd format.vsettlementDates takes the "Yesterday value and requests data from it.
Dim Yesterday As String = format(Today.AddDays(-1), "yyyyMMdd")
Dim vSettlementDates As String = (Yesterday)
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Apr 27, 2011
I am getting the following error:
Error 1 Reference to a non-shared member requires an object reference. (on WindowsIdentity.Groups)
Here's my code from that uses the WindowsIdentity.Groups property to display the identity references for the groups the current user belongs to. This code is part of a larger example provided for the WindowsIdentity class.
Public ReadOnly Property Groups As IdentityReferenceCollection
Get
Dim irc As IdentityReferenceCollection
[Code].....
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Dec 13, 2009
" GridView1.datasource = _MyUsers.Reference to a non-shared member requires an object reference." error. WHat's wrong with this code
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[code]......
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