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Wrong number of arguments or invalid property assignment: how to fix it and prevent it from happening again

Wrong Number of Arguments or Invalid Property Assignment

When you’re programming, it’s important to make sure that you’re using the right number of arguments for your functions and that you’re assigning properties to the correct objects. If you don’t, you’ll get an error message like “wrong number of arguments” or “invalid property assignment.”

This article will discuss what these errors mean and how to fix them. We’ll also provide some tips on how to avoid these errors in the first place.

What do these errors mean?

The “wrong number of arguments” error means that you’ve called a function with the wrong number of arguments. For example, if a function expects two arguments, but you only pass it one, you’ll get this error.

The “invalid property assignment” error means that you’ve tried to assign a property to an object that doesn’t have that property. For example, if you try to assign the `name` property to a number, you’ll get this error.

How to fix these errors

To fix these errors, you need to make sure that you’re using the right number of arguments for your functions and that you’re assigning properties to the correct objects.

Here are a few tips:

• Check the documentation for the function you’re calling to see how many arguments it expects.
• Make sure that you’re passing the correct types of arguments to the function.
• Check the object to make sure that it has the property you’re trying to assign.

How to avoid these errors in the first place

The best way to avoid these errors is to be careful when you’re programming. Here are a few tips:

• Use a linter. A linter is a tool that can help you find errors in your code, including errors with arguments and property assignments.
• Write unit tests. Unit tests can help you catch errors in your code before they cause problems.
• Get feedback from other programmers. Having someone else look over your code can help you find errors that you might have missed.

By following these tips, you can help yourself avoid the “wrong number of arguments” and “invalid property assignment” errors.

| Wrong number of arguments | Invalid property assignment | Example | |—|—|—| | Missing required argument | Using an invalid property name | `document.write(‘Hello World’);` | | Too many arguments | Using a property with the wrong data type | `document.getElementById(‘myElement’).style.backgroundColor = ‘red’;` | | Invalid data type | Using a property with an invalid value | `document.getElementById(‘myElement’).innerHTML = ‘1234567890’;` |

In programming, a wrong number of arguments or invalid property assignment is a type of error that occurs when a function is called with the wrong number of arguments or when a property is assigned to an object with the wrong type. These errors can cause the program to crash or produce incorrect results.

What is a wrong number of arguments?

A wrong number of arguments occurs when a function is called with the wrong number of arguments. For example, a function that expects two arguments might be called with only one argument. This can cause the function to crash or produce incorrect results.

To avoid wrong number of arguments errors, it is important to make sure that you call functions with the correct number of arguments. You can do this by checking the documentation for the function to see how many arguments it expects. You can also use a linter to check your code for errors.

What is an invalid property assignment?

An invalid property assignment occurs when a property is assigned to an object with the wrong type. For example, a string might be assigned to a property that expects a number. This can cause the program to crash or produce incorrect results.

To avoid invalid property assignment errors, it is important to make sure that you assign properties to objects with the correct type. You can do this by checking the documentation for the object to see what types of properties it supports. You can also use a linter to check your code for errors.

Causes of wrong number of arguments or invalid property assignment

The most common cause of wrong number of arguments or invalid property assignment errors is incorrect code. This can happen when a developer forgets to add an argument to a function call, or when they assign a property to an object with the wrong type.

Compiler errors can also cause wrong number of arguments or invalid property assignment errors. For example, if a function is declared with the wrong number of arguments, the compiler will generate an error.

How to fix wrong number of arguments or invalid property assignment errors

To fix wrong number of arguments or invalid property assignment errors, you need to find the source of the error and correct it. This may involve adding or removing arguments from a function call, or assigning properties to objects with the correct type.

You can use a debugger to help you find the source of the error. A debugger allows you to step through your code line by line, and it can help you identify errors that are difficult to spot.

Wrong number of arguments or invalid property assignment errors can be a frustrating problem, but they can be fixed by finding the source of the error and correcting it. By following the tips in this article, you can avoid these errors and keep your code running smoothly.

Additional information

In addition to the causes listed above, there are a few other things that can cause wrong number of arguments or invalid property assignment errors. These include:

• Type errors: A type error occurs when a variable is assigned a value of the wrong type. For example, assigning a string to a variable that expects a number is a type error.
• Casting errors: A casting error occurs when a value is converted to the wrong type. For example, trying to convert a string to a number is a casting error.
• Reference errors: A reference error occurs when a variable does not refer to a valid object. For example, trying to access a property of a variable that does not exist is a reference error.

If you are experiencing wrong number of arguments or invalid property assignment errors, it is important to understand the cause of the error so that you can fix it. By following the tips in this article, you can avoid these errors and keep your code running smoothly.

What are the consequences of wrong number of arguments or invalid property assignment?

Wrong number of arguments or invalid property assignment can have a number of consequences, including:

• Errors: Wrong number of arguments or invalid property assignment can cause errors to occur. These errors can range from simple syntax errors to more serious runtime errors.
• Data corruption: Wrong number of arguments or invalid property assignment can also lead to data corruption. This can happen when a property is assigned to an object with the wrong type, or when a function is called with the wrong number of arguments.
• Security vulnerabilities: Wrong number of arguments or invalid property assignment can also create security vulnerabilities. This can happen when a function is called with the wrong number of arguments, allowing an attacker to bypass security checks.

How to avoid wrong number of arguments or invalid property assignment?

There are a number of things you can do to avoid wrong number of arguments or invalid property assignment, including:

• Write unit tests: Unit tests can help you to identify and fix errors in your code. Unit tests can be used to verify that functions are called with the correct number of arguments, and that properties are assigned to objects with the correct type.
• Use a linter: A linter can help you to identify potential errors in your code. Linters can be used to check for incorrect code that could lead to wrong number of arguments or invalid property assignment errors.
• Read the documentation: The documentation for your programming language and libraries can provide you with information on how to use functions and assign properties to objects correctly.

In addition, you can also follow these general tips to avoid wrong number of arguments or invalid property assignment:

• Be careful when calling functions: Make sure that you are calling functions with the correct number of arguments. If you are not sure, check the documentation for the function.
• Use type annotations: Type annotations can help you to catch errors in your code. When you use type annotations, the compiler will check to make sure that you are assigning properties to objects with the correct type.
• Be careful when using dynamic typing: Dynamic typing allows you to assign properties to objects with different types. However, this can also lead to errors if you are not careful. When using dynamic typing, make sure that you are aware of the type of the object that you are assigning a property to.

Wrong number of arguments or invalid property assignment can have a number of consequences, including errors, data corruption, and security vulnerabilities. There are a number of things you can do to avoid these errors, including writing unit tests, using a linter, reading the documentation, and being careful when calling functions and assigning properties to objects.

Q: What does it mean when I get an error message that says “wrong number of arguments or invalid property assignment”?

A: This error message indicates that you have either provided the wrong number of arguments to a function, or you have assigned a value to a property that does not exist.

Q: How can I fix this error?

A: To fix this error, you will need to check the documentation for the function or property that you are trying to use. Make sure that you are providing the correct number of arguments, and that you are assigning values to valid properties.

Q: What are some common examples of this error?

A: Some common examples of this error include:

• Trying to call a function with the wrong number of arguments, such as `myFunction(1)` when the function expects two arguments.
• Trying to assign a value to a property that does not exist, such as `myObject.myProperty = ‘value’` when the object does not have a property called `myProperty`.

Q: What can I do to prevent this error from happening in the future?

A: To prevent this error from happening in the future, you can:

• Carefully read the documentation for the functions and properties that you are using.
• Make sure that you are providing the correct number of arguments to functions, and that you are assigning values to valid properties.
• Use a linter to check your code for errors.

Q: Is there anything else I should know about this error?

A: Yes, there are a few other things you should know about this error:

• This error can occur in any programming language.
• This error can be difficult to debug, especially if you are not familiar with the function or property that you are trying to use.

We hope that this article has been helpful. If you have any other questions about this error, please feel free to contact us.

Here are some key takeaways from this article:

• The wrong number of arguments or invalid property assignment error occurs when you pass the wrong number of arguments to a function or when you assign a value to a property that does not exist.
• Some common causes of this error include typos, forgetting to add parentheses around an argument list, and trying to access a property that does not exist.
• To fix this error, check your code carefully and make sure that you are passing the correct number of arguments to functions and that you are assigning values to valid properties.

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Wrong Number of Arguments or invalid property assignment (1 Viewer)

• Thread starter sgtSortor
• Start date Mar 29, 2008

Registered User.

• Mar 29, 2008

where does the error occur? Additionally, take out the last comma: Code: Copy to clipboard DoCmd.RunSQL "INSERT INTO tblReportResults1 (AppID, DocumentID, ReportType, RptDate, ProjOff, ProjContactPerson[color=red][b][size=4][u],[/size][/color][/u][/b])  

Wino Moderator

pbaldy said: only form references should be outside the quotes; everything else must be inside. Click to expand...

Well, I'll stand partially corrected here. I forgot that RunSQL can correctly interpret form references. I always use the Execute method now, which can not, but is more efficient. That said, the OP is using "Me." for some of the references, which is only valid inside VBA and I'll be very surprised if the query will work with them inside the quotes. They either need to be changed to full form references, or concatenated into the string.  

pbaldy said: Well, I'll stand partially corrected here. I forgot that RunSQL can correctly interpret form references. I always use the Execute method now, which can not, but is more efficient. That said, the OP is using "Me." for some of the references, which is only valid inside VBA and I'll be very surprised if the query will work with them inside the quotes. They either need to be changed to full form references, or concatenated into the string. Click to expand...

• Mar 30, 2008

Okay, this one works now, strInsert = "INSERT INTO tblReportResults1 ([AppID], [DocumentID], [ReportType], [RptDate], [ProjOff], [ProjContactPerson]) VALUES (forms!frmHold.AppIDHold, forms!frmHold.DocumentIDHold, forms!frmHold.ReportTypeHold, forms!frmHold.RptDateHold, forms!frmHold.ProjOffHold, forms!frmHold.ProjContactPersonHold)" DoCmd.RunSQL strInsert But now my second insert statement is pulling data from a table and one variable to insert into another table... strInsert2 = "INSERT INTO tblReportResults2 ( RptResID, SectionID, QuestID, DocumentID ) SELECT ltblReportForms_QnA.SectionID, ltblReportForms_QnA.QuestionID, ltblReportForms_QnA.DocumentID FROM ltblReportForms_QnA WHERE (((ltblReportForms_QnA.DocumentID)=[forms]![frmHold].[DocumentIDHold]));" DoCmd.RunSQL strInsert2 -RptResID - is a variable called vRptResID and I don't know where to place that in the insert statement.  

Well I figured out what I was doing....... strInsert2 = "INSERT INTO tblReportResults2 ( RptResID, DocumentID, SectionID, QuestID, QuestType )SELECT tblReportResults1.RptResID, ltblReportForms_QnA.DocumentID, ltblReportForms_QnA.SectionID, ltblReportForms_QnA.QuestionID, ltblReportForms_QnA.QuestType FROM tblReportResults1, ltblReportForms_QnA WHERE (((ltblReportForms_QnA.DocumentID)=[forms]![frmHold].[DocumentIDHold]));" Works exactly as I needed it too.  

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VBA Error wrong number of arguments or invalid property assignment

• Thread starter Access Beginner
• Start date Nov 4, 2018
• Tags dim end error set vba

Access Beginner

Active member.

• Nov 4, 2018

Hello, I've found this bit of code during my searches on the web and this does work for me in other spreadsheets however, when I try and run this in another workbook the following error is coming up "wrong number of arguments or invalid property assignment" The following is highlighted and the word "Format" is highlighted in yellow Code: TempFile = Environ$("temp") & "/" & Format(Today, "dd-mm-yy h-mm-ss") & ".htm" Code: Function RangetoHTML(rng As Range) Dim fso As Object Dim ts As Object Dim TempFile As String Dim TempWB As Workbook TempFile = Environ$("temp") & "/" & Format(Today, "dd-mm-yy h-mm-ss") & ".htm" 'Copy the range and create a new workbook to past the data in rng.Copy Set TempWB = Workbooks.Add(1) With TempWB.Sheets(1) .Cells(1).PasteSpecial Paste:=8 .Cells(1).PasteSpecial xlPasteValues, , False, False .Cells(1).PasteSpecial xlPasteFormats, , False, False .Cells(1).Select Application.CutCopyMode = False On Error Resume Next .DrawingObjects.Visible = True .DrawingObjects.Delete On Error GoTo 0 End With 'Publish the sheet to a htm file With TempWB.PublishObjects.Add( _ SourceType:=xlSourceRange, _ Filename:=TempFile, _ Sheet:=TempWB.Sheets(1).Name, _ Source:=TempWB.Sheets(1).UsedRange.Address, _ HtmlType:=xlHtmlStatic) .Publish (True) End With 'Read all data from the htm file into RangetoHTML Set fso = CreateObject("Scripting.FileSystemObject") Set ts = fso.GetFile(TempFile).OpenAsTextStream(1, -2) RangetoHTML = ts.ReadAll ts.Close RangetoHTML = Replace(RangetoHTML, "align=center x:publishsource=", _ "align=left x:publishsource=") 'Close TempWB TempWB.Close savechanges:=False 'Delete the htm file we used in this function Kill TempFile Set ts = Nothing Set fso = Nothing Set TempWB = Nothing End Function Code: Sub MailReports() Dim rng As Range Dim OutApp As Object Dim OutMail As Object Dim rngAttach As Range Dim hlink As String 'Set range for file attachment, cell should contain the path and file name With ActiveSheet Set rngAttach = .Range("b5") End With Set rng = Nothing ' Only send the visible cells in the selection. Set rng = Sheets("Email_Reports").Range("b7:c70").SpecialCells(xlCellTypeVisible) If rng Is Nothing Then MsgBox "The selection is not a range or the sheet is protected. " & _ vbNewLine & "Please correct and try again.", vbOKOnly Exit Sub End If With Application .EnableEvents = False .ScreenUpdating = False End With Set OutApp = CreateObject("Outlook.Application") Set OutMail = OutApp.CreateItem(0) With OutMail .SentOnBehalfOfName = ThisWorkbook.Sheets("Email_Reports").Range("d6").Value .To = ThisWorkbook.Sheets("Email_Reports").Range("d2").Value .CC = ThisWorkbook.Sheets("Email_Reports").Range("D3").Value .BCC = ThisWorkbook.Sheets("Email_Reports").Range("D4").Value .Subject = ThisWorkbook.Sheets("Email_Reports").Range("D5").Value .Display .HTMLBody = RangetoHTML(rng) ' In place of the following statement, you can use ".Display" to ' display the e-mail message. strFileName = Dir(rngAttach.Value) .Attachments.Add Replace(rngAttach.Value, "*.*", "") .Display End With On Error GoTo 0 With Application .EnableEvents = True .ScreenUpdating = True End With Set OutMail = Nothing Set OutApp = Nothing End Sub  

Excel Facts

Rick Rothstein

Mrexcel mvp.

Today is an Excel function name, it is not a VBA function (it evaluates to Null if you don't assign a value to it). I think you would want to use Now in place of it... TempFile = Environ$("temp") & "/" & Format( Now , "dd-mm-yy h-mm-ss") & ".htm"  

• Nov 5, 2018

Hi Rick, Thanks for your reply. I changed it to.... TempFile = Environ$("temp") & "/" & Format(Now, "dd-mm-yy h-mm-ss") & ".htm" And still get the same error  

Access Beginner said: Hi Rick, Thanks for your reply. I changed it to.... TempFile = Environ$("temp") & "/" & Format(Now, "dd-mm-yy h-mm-ss") & ".htm" And still get the same error Click to expand...

MrExcel MVP, Moderator

I suspect that in that problem workbook you have used Format as the name of something, probably a procedure. If you amend the code to use VBA.Format instead of just Format, does it work?  

Thanks Rory, that was precisely the problem. Thanks for the help.  

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How do I fix this error " Microsoft VBScript runtime error: Wrong number of arguments or invalid property assignment"?

I'm writing this script to help with logging when my workplace re-images computers. The problem is that I am somewhat inexperienced with VBS and troubleshooting VBS scripts.

This script is built to take in an argument and log the section indicated by the argument. Ex: Someone passes in /1 and then the script logs section 1.

Here is the full script(with some elements redacted).

Here is my input: cscript OneScriptRuleThemAll.vbs /1

Here is the output and error message: OneScriptToRuleThemAll.vbs(55, 1) Microsoft VBScript runtime error: Wrong number of arguments or invalid property assignment

From what I can tell I am not putting in the wrong number of arguments and I don't see the problem with my property assignments.

Any and all help would be appreciated.

3 Answers 3

I believe the error is occurring on the line If sequence = 1 Then For your intent to work, you need to change it to If sequence.Item(0) = 1 Then

Your arguments can continue to go from 1 to 6.

• Thanks for the suggestion. I'll try to implement this and let you know if it works. I won't be back in the office until either late Friday or Monday. –  CharlesD Commented Mar 17, 2016 at 21:05

It looks to me that the if statements are not being used to take the input of the parameters properly. Why is there an error check after each if? it seems like it could just be one big if statement.

Your arguments are a collection so are in the form

1st is 0, 2nd is 1, etc

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