Invalid Argument Error?

Apr 19, 2010

Private Sub lVW_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles LVW.Click
With LVW 'LVW=ListVew Name
LVW.Text = .SelectedItems.Item(0).Text



Run-time Error 30005: Invalid Argument Value?

Jul 25, 2008

 hi,i am having a VB application in my system, which runs with absolutely no issues. But when i am running that EXE in some different machine i am randomly getiing a run-time error for a particular form.The error is like :Run-time error '30005': Invalid Argument valueThat particular form have MSFlexGrid and List box.As i cant simulate the same in my own setup, could u pls suggest the possible reasons?

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Run-time Error '5': Invalid Procedure Call Or Argument

Jun 2, 2010

Actually we have a system for doctors in dispensary and when they try to access records for the patients from doctors module they able to do it but when they try to modify records and save it gives an error "Run-time error '5': Invalid Procedure call or argument" We are using oracle 8i as database and vb6 as fronend.

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Using A .net Dll In C#. Getting 'invalid Argument'?

Apr 19, 2011

Got a strange one and I know it is something silly but I can't see it for anything I have a DLL created in (No I can't change it! :-)) and am calling it from C#. The problems come at the point the object is created in C# and I get the message that it has "some invalid arguments".

The constructor code in the DLL is as follows:

Sub New(ByRef Connection As IConnection)
The code in C# is:
IConnection conn = new Connection();
CustomObject test = new CustomObject(conn)

It is happy with the first line but it gives the error message ("some invalid arguments") on the second line. I have also created a secondary project in and called the DLL and it works fine there.

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.net - Invalid Procedure Call Or Argument

Nov 26, 2010

m getting an error while using Text1.SetFocus the error is invalid procedure call or argument

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Combobox Invalid Argument SelectedIndex

Apr 19, 2012

I create several controls dynamically with the function createControl which returns a control

ElseIf objName = "COMBO" Then
Dim cbo As New ComboBox


I know that my combobox has 3 items (in that case that the value was 2) I found that I cannot call selectedIndex before create the combobox, but I am kind of confuse here. I tried also to add it to the panel and to the tablelayoutpanel and then set the selectedIndex but I get the same error.

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Communications :: SocketException, Invalid Argument?

Jul 9, 2008

I have a user that is getting a SocketException immediately upon app startup. The really strange thing is that my app does not uses sockets at all.This is the only information that I am getting from {smartassembly}, which I use for obfuscation.


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Invalid Argument - Webbrowser Minimize?

May 18, 2011

I have a windows form and a webbrowser1. When it first loads, I pass acouple of arguments to the browsers url. Everything works fine until I minimize the form. I get an error: "invalid argument".The strange thing is if I subsitute the "http:[url]... it works.

Dim returnValue As String()
returnValue = Environment.GetCommandLineArgs()
If returnValue.Length > 1 Then[code]......

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System.argument Datagridviewcomboboxcell Value Is Invalid

Feb 19, 2009

i encountered a problem but this happened on the client side. In my PC, i don't encounter this error.

The error is: System.argument datagridviewcomboboxcell value is invalid

Is there anyone who encountered this problem? Could the client's PC needs updating on a certain dot net fix?

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.net - Repeater Control Causing Invalid Postback Or Callback Argument?

Jan 31, 2011

I have read through many of the questions related to my situation but I have not found one that does. I currently have a repeater with 4 bound items to it, clicking on a button in the repeater causes my error, below is the markup and codebehind. Can someone explain to me why this is happening and the fix for it? (I have excluded the page decleration and just included the page_load event. let me know if i should cut and past full code in)


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Message From Webpage Invalid Postback Or Callback Argument. Event Validation Is Enabled Using?

May 16, 2011

My goal is to have the user be able to click the row and the row will be the selected row almost like having the select button but the entire row clickable to do the same thingthe error i get popups when i click the row, not when the webpage is loaded

this is the onrowdatabound portion i just added that causes the error
If e.Row.RowType = DataControlRowType.DataRow Then
' Get reference to button field in the gridview.

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VS 2010 Analyze Two Textboxes And Highlight - Getting "invalid Argument Exception"?

Sep 10, 2011

I'm trying to make a program that will analyze two textboxes and highlight any words that don't match. Here's an example:


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.net Getting An "Invalid Argument" When Performing Range.find?

Aug 1, 2011

I am getting an "Invalid Arguement" when performing range.find. It doesn't like the SearchOrder argument.I want it to be xlByColumn which is "2" according to my help files.Here is what I have:

Dim row As DataGridViewRow = MainDGV.Rows(i)
Dim Frow As Object
Dim rg As Object
rg = SiteSpreadsheet.ActiveSheet.Columns.Range(SiteSpreadsheet.ActiveSheet.Cells(2, 1), _ SiteSpreadsheet.ActiveSheet.Cells(rowCt, 1))
Frow = rg.Find(row.Cells("SITE").Value, rg.Cells(1, 1), , 1, 2, 1, True)

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Invalid Argument = Value Of "0" Is Not Valid For Index?

Nov 2, 2010

I have a little program where the user can select an item out of a listview. In this particular listview there is this code under the listboxindex changed event:

Private Sub Lopd_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Lopd.SelectedIndexChanged
opdrachtgever = Lopd.SelectedItems.Item(0).SubItems(0).Text


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Argument Not Specified Error?

Apr 4, 2009

error BC30455: Argument not specified for parameter 'pTools' of 'Public FunctionfragPacket(ByRef pTools As Object) As Integer'.!I get this code while trying to get something to work.. heres the code

if (pName.Length >= 13) andalso (pName.SubString(0,13) = "actor_display") then
dim aid as Integer = pTools.FourByteToNum(pBytes,2)
if (aid <= 4000000) and (aid <> ownAID) then


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.net - Error: Argument Not Specified For Parameter

Aug 25, 2011

When I place Set_Symbol() in my code it give me 2 errors


Argument not specified for parameter 'e' of 'Private Sub Set_Symbol(sender As Object, e As System.EventArgs)'. d:documentsvisual studio 2010ProjectsMath GameMath Gamefrmindex.vb
Argument not specified for parameter 'sender' of 'Private Sub Set_Symbol(sender As Object, e As System.EventArgs)'. d:documentsvisual studio 2010ProjectsMath GameMath Gamefrmindex.vb

This is what Set_Symbol is

Private Sub Set_Symbol(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles rbnaddition.Click, rbnsubtraction.Click, rbnmultiplication.Click, rbndivision.Click
Dim rbn As RadioButton


Why is it throwing this error?

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Run-time Error '449': Argument Not Optional

Jun 30, 2009

I am getting this error when debugging a VB application. The method that is being called when I get this does not have any arguments. Definitions in code are as follows with names changed to protect the guilty


The question is, if the method is not defined to accept argments, then why am I having a debug assertion while debugging that says that the arguments are not optional?

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RunTim Error '449': Argument Not Optional

Oct 12, 2010

I have an Image.OCX which is build on 2008. This is used by VB Application.Many OCX methods are not used in Application. I want to delete unused method from OCX.Step for method deletion.

Delete exists Method from .ODL File i.e //[id(181), helpcontext(11)] long CreateImage(ID id);.
CreateImage same function . Delete //DISP_FUNCTION(CImageCtrl, "CreateImage", CreateImage, VT_I4) from Ctrl.cpp.
Delete interface ID from AFX_DISP_ID.


Following Error Message display "Run Tim error '449':Argument not optional." 

let me know is that possible to delete exist method from OCX and How?

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VS 2008 ERROR: Argument 'Expression' Is Not A Value Value

Feb 3, 2011

IM doing an assignment for college. ITs saving records to a file, and getting them back basically. So really not that hard.

The error is occuring around the following line of


basically all I've been doing so far, is formatting the output fields to show dates correctly. And I believe I'm getting this error. There is data in the form becasue i wrote it there to test it.I think im saving this right, but it seems ODD that its not working for me.

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Sql Server - Assign The Value I Queried To A String Which Is An Argument In A Procedure If The Argument's Data Type Is An Object?

Dec 5, 2011

I made this procedure re-use a select query:


And I use it like this if I would want the selected value placed in a textbox and it works fine


However if I want the value to be passed in a string like so:


The string ends up having an empty string value. How do I assign the value I queried to that String?

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Error 1 Argument Not Specified For Parameter 'frm' Of 'Public Sub New(frm As FrmSok)'

Apr 2, 2009

I get this error: Error 1 Argument not specified for parameter 'frm' of 'Public Sub New(frm As frmSok)'

At this
Private Sub btnSok_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSok.Click
Dim Form As New frmSokRes


When I click at the error message, this line being marked:

Dim Form As New frmSokRes

But I can't see any connections between the error message and the code.

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Error 1 Argument Not Specified For Parameter 'frm' Of 'Public Sub New(frm As FrmSok)'?

Oct 11, 2011

I get this error:Error 1 Argument not specified for parameter 'frm' of 'Public Sub New(frm As frmSok)'

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VS 2008 Error - Argument Exception Was Unhandled

Feb 8, 2010

Having created a database and testing it I get the following error message,


Public Class Form1
Private Sub AddressBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AddressBindingNavigatorSaveItem.Click


My action during the test was to fill in a field, save it then changed the information within, only to get the above message.

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Error In Vb Application: Argument Null Exception Was Unhandled

Nov 10, 2009

I am working on a vb windows form application with several connected forms. Its used to manipulate a MySQL database. One of the sub-forms has the following code snippet:


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Error: Expression Is Not An Array Or A Method And Cannot Have An Argument List

Aug 4, 2011

i have these 3 sets of code that are giving me INT() errors. Error: Expression is not an array or a method, and cannot have an argument list.


Private Sub Form6_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim Browser As New WebBrowser


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Invalid Conversion Error?

May 25, 2011

I recently upgraded a VB 6 project to .net. I'm having a problem with this block of code:

Dim CtrlName As System.Windows.Forms.MenuItem
For Each CtrlName In Form1.Controls
'Some code here


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Using A Lambda Expression With ByRef Argument Gives Incompatible Signature Error

Mar 9, 2011

Why does this:Private [Function] As Func(Of Double, String) = Function(ByRef z As Double) z.ToString

gives the following error:Nested function does not have a signature that is compatible with delegate String)'.

While this:Private [Function] As Func(Of Double, String) = Function(ByVal z As Double) z.ToString

Does not? (The difference is ByRef/ByVal)

Furthermore, how might I implement such a thing?

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VS 2010 Error Message : Argument Out Of Range Exception Unhandled

Jun 23, 2011

Working with an If statement I have tried the following

If -0.6 > (LLum_Gline(8).X - LLum_Gline(12).X) > 0.6 Then
patient_frm.llum_gline = 2
MsgBox("Measurement is Abnormal")
End If

I am getting an error message that says Argument out of range exception unhandled. I have double checked and verified that LLum_Gline(8).X and LLum_Gline(12).X are in fact valid.Is my problem simply in how i am phrasing the If statement. Is there a way for me to phrase what im doing without writing multiple if statements?

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Compile Error Invalid Qualifier

Mar 2, 2010

i am using vb6 and sql express. came to this error when i press the update button it says "compile error invalid qualifier". the error is at " live.tostring("dd/mm/yy") "

private Sub cmd_update_Click()
Dim conn As New ADODB.Connection 'ADODB Connection Object
Dim recset As New ADODB.Recordset 'Recordset Object
Dim sql As String ' String variable to store sql command


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Error 481 Invalid Picture In Using Vb6 App In Win7

Jun 11, 2010

I've had developing an old vb6 (sp6) app in my pc with winxp and running it in other with win7.

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Run-time Error 94 Invalid Use Of Null

Apr 16, 2009

Run-time error 94 invalid use of Null

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Runtime Error '380':Invalid Property Value

May 2, 2006

A VB5 program I wrote years ago stopped working and is now giving me this error:

Run-time error '380':Invalid property value

I cannot figure out what has changed, since I run that program almost daily.   It was working fine, then stopped (without any changes to the program).   I suspect I may have uninstalled something it uses, but cannot figure out what.When I open the VB5 IDE, I get an error saying:

'c:program filesdevstudiovbComct232.ocx' could not be loaded--Continue Loading Project?

If I say no, it does not load and I cannot see the source code.If I say yes, it does load and I can see the source code but I get weird compiler errors.

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May 11, 2010

Has anyone ever received an "INVALID CONTEXT ERROR" while running a threaded VB.NET 2.0 application? We seem to be getting this error very sporadically, but can't seem to determine the root cause.

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VS 2008 : Error : Invalid Dn Syntax

Oct 13, 2009

Trying to run the following

treeval = e.Node.Text
Dim strVal As String = New String("LDAP://,OU=Desktops,OU=Devices,DC=domain,DC=suffix")
Dim domain As New DirectoryEntry(strVal & "'DOMAINusername', 'password'")


I get an error saying "Invalid dn syntax"

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Jun 25, 2012

I am getting the following error:

' ', hexadecimal value 0x1F, is an invalid character

Here is my function. I get this error when it hits "reader.MoveToContent()" for the first time. Can anyone point me in the right direction?

Public Function GetSyndicationFeedData(ByVal urlFeedLocation As String) As SyndicationFeed
Dim settings As New XmlReaderSettings() With { _
.IgnoreWhitespace = True, _


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Decryption Error : Padding Is Invalid And Cannot Be Removed

Apr 23, 2010

I have been writing a security class in my application, I am able to encrypt the string correctly and without error. However every time when I try to decrypt this string again, i get an error with this as it returns the following Padding is invalid and cannot be removed.

Here is the code:

Public Function DecryptKey(ByVal plainText As SecureString, ByVal key() As Byte, ByVal iv() As Byte) As SecureString



And it provides a stack trace with:

at System.Security.Cryptography.RijndaelManagedTransform.DecryptData(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode paddingMode, Boolean fLast)


I have found simular issues on web, and most of them say that the IV is not the same the encrypted version, but I can confirm that the IV is the same as they both access the exact same variable.

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Decryption Error : Padding Is Invalid And Cannot Be Removed?

Jul 13, 2011

decryption error : Padding is invalid and cannot be removed.

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Error : Invalid Cast Exception Was Unhandled

Aug 15, 2011

I am getting  Invalid Cast Exception was unhandled.Conversion from String 'abc' to type 'Double' is not valid in the following line!

((xlBook.Worksheets(2).Cells(iRowIndex, iColumnIndex).Value)) = avFoundKeywordds(iSearchText)

The business intent is that user enters the keyword 'abc' and clicks search button . We have defined different keywords in a xls which has 1600 rows and 16 columns . so when finding abc in any of the cells ,it has to return the value of a column#4 where the name is specified !

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Apr 7, 2012

Cross Thread Calld Invalid.txt?

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Error Is: Invalid Operation Exception Was Unhandled

Feb 6, 2010

i have a datagridview that show an access database also there is toolstrip menu i defined the datasource and everything is fine except that when i run the application and edit anything and when i press the save button on the toolstrip an error appear and highlight this: Me.TableAdapterManager.UpdateAll(Me.My_phone_numbersDataSet)

and the error is: invalid operation exception was unhandled

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Old Format Or Invalid Type Library Error In .net

Jan 9, 2008

Iam getting an error "Old format or invalid type library" when im running the .net application in systems(pc) having MS Office 2000 versions.and im not getting any errors for higher versions like 2002,2003 etc.This error im getting when exporting to Excel.And i tried the following link [URL] Then also im getting same error.

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RijndaelManaged - Error: Padding Is Invalid And Cannot Be Removed

Mar 19, 2012

I am using RijndaelManaged to encrypt just 4 bytes of data which produces a 16 byte result (i am using a 128 block size). When I try to decrypt these 16 bytes I get the message "Padding is invalid and cannot be removed.". (The base stream of the CryptoStream is a MemoryStream based on just these 16 bytes).

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VS 2008 COM Exception Error: Invalid Parameter

Dec 10, 2009

I am running the same program on two workstations. One reveals no errors while the other shows a "COM exception error: invalid parameter." The offending line of code is shown below.Is there an explanation for the inconsistency?

.SeriesCollection(iRet).Name = "=""Q" & Str(iRet) & """"

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Sep 12, 2011

Public Shared Function GetData(ByVal id As Integer) As List(Of SomeClass)
Dim command As New OracleCommand
Dim conn As New OracleConnection(WebConfigurationManager.ConnectionStrings("ConnectionString").ToString)
Dim param As New OracleParameter


This function is giving an ORA-00911 invalid character error. I have other methods of the same style and these are functioning correctly.

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DATASET - Whenever Try To Access - Shows Error Of Invalid Password

Jun 5, 2011

I am having a small problem with dataset. problem defination is:

System.Data.OleDb.OleDbException was unhandled
Message="Not a valid password."
Source="Microsoft JET Database Engine"

And My connecting string is:

"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="D:Shop InventorydatabaseDATABASE.mdb";Persist Security Info=True;Jet OLEDB:Database Password=123456789"

WHERE the password I added is rightbut whenever I try to access is it shows error of Invalid Password;

I have coded it as:


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