VS 2008 Option Strict Requres All Functions?

Apr 23, 2010

I know this is a very basic question, but when you declare a function As a data type, I'm assuming that it's based on the return value...

What if you're not returning a value? Does it matter? What should I declare it as?

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Option Strict - Error Option Strict On Disallows Implicit Conversions From 'Object' To 'XtremeCalendarControl.CalendarControl'

Oct 17, 2009

How can I get round this error: Option Strict On disallows implicit conversions from

[Code]...

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Tools To Convert Option Strict Off Code Into Option Strict On?

Mar 28, 2010

I have to take over a project written in vb.net, which contains more than 400k lines of code written in option strict off mode. I want to build it under option strict on first before I do anything else -- which maybe converting it into C#. I found there's thousands of lines of code raises compilation error, mostly are about implicit type casts. Is there any tool would help to make it compile under option strict on mode if I don't want to correct every single line manually? Because it's really painful to add CStr/CInt invocation into every line of Code myself.

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Option Strict On - Error On All The ".Cells" Lines Saying Option Strict On Disallows Late Binding

Sep 7, 2010

I turned Option Strict On and i get an error on all the ".Cells" lines saying option strict on disallows late binding.

a = 1
b = 3
c = 2
d = 1
With oSheet

[CODE]..................

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Linq And Option Strict - "Option Strict On Disallows Late Binding"

Jun 30, 2011

[Code]...

I really prefer to keep Option Strict On. the proper way to do this?

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Option Strict Is Off, Compile Fail With "Option Strict On"?

Apr 13, 2011

I have inherited a VB.NET application that I need to compile so I can run dorkumentation on it. I first received "Option Strict On disallows implicit conversion from x to y" errors, so I turned off the Option Strict option in the Project file.

So why do I still fail with the same error message?

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VS 2008 Strict Option On Error

Feb 7, 2010

code]I tried to use the IS operator, it does not work if the check box is checked.I also tried changing .Value to .State without any success. It is last error I have left since I switched Strict Option On.

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VS 2008 - Important To Turn Option Strict On ?

Oct 13, 2009

Why is it so important to turn option strict on? I admit I am not a professional programmer, but I have written a great number of useful applications...I am fairly well (although self) educated in object oriented programming... I even write programs for my business...I always have felt that I am missing some background theory that is probably really important (I have a grad degree in math, no comp sci)...I have never turned on Option Strict for any project I have ever written, and I guess I just want to know, theoretically why is it important?

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VS 2008 - Option Strict On - Errors Addition ?

Feb 28, 2010

With option strict on i have errors addition. I want how to make the addition of:

1. all the odd numbers on a collection of 5 textboxes and see result to label1

2. all the the even numbers to label2

3.all numbers smaller than number 5 to label 3

4. all numbers greater than number 5 to label 4

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Set Option Explicit And Option Strict On A Project / Solution Level?

Feb 22, 2011

I really like the coding speed that vb.net provides, but I don't like the possibility to forget to declare variable types, return types of functions, etc. and that is why in each class I use[code]..

Is there a way to define those two options on the project/solution level?

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VS 2008 : Option Strict On Disallows Late Binding

Oct 5, 2010

I've got option strict on.

HTML
Dim MyNode As System.Xml.XmlNodeList = xDoc.GetElementsByTagName("Placemark")
For Each m_node In MyNode

[code]....

This is giving "Option Strict On disallows late binding"

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VS 2008 Option Strict On Disallows Late Binding?

Mar 18, 2009

I have seen numerous errors with this, but I am a bit confused. I am taking a vb.net class now, and we are learning that Option Explicit is definately the way to go in all projects to make sure you follow some coding standards and to deviate from sloppyness.

Anywho, could someone explain what late binding actually is? I have seen a few definations of it, but nothing really makes sence. I know that you have both Early and Late Bindings, and from what I can understand, it is where you reference what you will be using in your project (as in references?)

[Code]...

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VS 2008 - Option Strict Continued - Gives Me The Going From Double To A Single Error

Oct 13, 2009

Quick code example:

v1.magnitude = myVectors(c).magnitude * 0.95

I have a vector class...and the magnitude is single precision...Now the problem is this, when I run this with option strict on, it gives me the going from double to a single error...Why? Does multiplication imply double precision?

So with option strict on, can you not multiply single precision numbers together and assign them to another single precision variable without first convert.tosingle?

What is the point of this? I am currently changing hundreds of lines of code in a project that runs perfectly...

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VS 2008 Error 5 Option Strict On Disallows Late Binding

Mar 29, 2010

Error 5 Option Strict On disallows late binding. how can i fix that

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VS 2008 Option Strict On Disallows Implicit Conversions From 'String' To 'Double'?

Mar 20, 2010

i have this error what i have to change in the code?

TextBox65.Text = Math.Abs(CInt(Val(oddTextBox54.Text))) / Math.Abs(CInt(Val(TextBox56.Text))).ToString()

Error11Option Strict On disallows implicit conversions from 'String' to 'Double'.

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VS 2005 Option Explicit On; Option Strict On

Feb 24, 2010

what does these two code means in vb.net: Option Explicit on Option strict on i think option explicit means the compiler is not going to do any kind of conversion and i need to do all of them by the code;also it becomes case sensitive i.e;

[Code]...

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VS 2008 Error 1 Option Strict On Disallows Implicit Conversions From 'Double' To 'Integer'

Mar 4, 2010

how i have to write this variable not to have errors

Dim divider As Integer = (20 / 3)

Error 1 Option Strict On disallows implicit conversions from 'Double' to 'Integer'

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Use Of Option Strict And Option Infer

Feb 22, 2011

1. I have read that keeping Option strict on and Option infer off is good practice and will insure your code is tight and properly written. I would like input regarding this, pro's and con's from those who are in the know.

2. Having said that, I have set Option strict on and Option infer off in an existing program I wrote (that was working perfectly mind you) with them off and on respectively. I went through and cleaned up all the errors on the 'need AS' and casting of variables, but one is leaving me a bit put out.[code]

I have also read where using My.Computer.System.Directory.GetFiles() instead of System.IO.Directory.GetFiles() is probably not a good thing, but when I change to this I get no error, but also no dataI am thinking I should stay with the strict on and infer off but am really slogging through getting this code correct.Running Win7 on Dual Quad Core XEON Intel Extreme with 8Gb RAM.

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How To Do This With Option Strict On

Nov 25, 2010

Dim frm As mshtml.HTMLFormElement
Dim sel As mshtml.HTMLSelectElement
Dim hi As mshtml.IHTMLElementCollection
Dim inp As mshtml.HTMLInputElement

[code].....

Looks to me that childnodes object has a more specific type. But what? Not ihtmlcollection. The type support some item interface.

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Option Strict - On Or Off?

Dec 7, 2009

Title says it all really, should I have it off unless I'm having an error, or simply have it on all the time?

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Option Strict On - Is Better?

Jun 28, 2010

what do you thinkg about comment below? original article url is also suggested to read.I didnt get why my code will be faster if i use it on. anyone has good knowledge about it?

Although Visual Basic .NET allows you to perform implicit type conversions and late binding, you should avoid these practices. Implicit type conversions and late binding may lead to severe performance problems, runtime errors, code that is difficult to read and maintain,and sub-standard programming practices.Many VB.NET professional programmers believe that leaving OPTION STRICT OFF by default was perhaps Microsoft's worst decision in the VB.NET implementation. Use OPTION STRICT ON.

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'option Strict On' Insists On This But Can't See Why?

Jan 25, 2012

I have an old programme that was written with 'option strict off' I have been steadily working through it mainly sorting out casting issues but have come up against some that I dont understand.for instance I have a checkbox called tickbox

dim Tickbox as new checkbox

later in the code

dim blah as boolean = Me.Tickbox.CheckState

but option strict insists i cast it as a boolean

dim blah as boolean = CBool(Me.Tickbox.CheckState)

surely the checkbox.checkstate is Booleean?

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.net - Use Use 'strict Off' Option In Projects?

Jun 30, 2009

Do you use 'strict off' option, 'explicit off'? Or may be 'strict custom' and some other options like 'Implicit type. Object assumed', 'Late binding', 'Implicit conversion'?

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C# - Set DataGridViewCell.Value With Option Strict On?

Oct 21, 2011

How to test for DataGridViewCell.Value with Option Strict On?

If DataGridViewCell.Value = "some value" then

Gives the error:
Option Strict On disallows operands of type Object for operator '='. Use the 'Is' operator to test for object identity.

EDIT:

The Solution is:

If DataGridViewCell.Value.ToString = "some value" then

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LINQ With Option Strict

May 26, 2012

I'm facing a trick issue with LINQ. I generate the above code:[code..]

Everything is running well if I turn off Option Explicit. When I turn it on, compiler is showing me a meessage: Expression is of type 'Object', which is not a collection type. Referencing to lResult variable.

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Option Strict And DataRow Value

Jun 14, 2011

If a field called X in a datarow called R is an int32 and Y is an int32 how can I make this statement work:
r!x += y
with option strict on.
Error 8 Option Strict On prohibits operands of type Object for operator '+'.

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Option Strict And DefaultValueAttribute?

Nov 24, 2010

Having just spent the past several hours trying to work out why my Xml Serialization code was not working. Consider the following:

<DefaultValueAttribute(False)>
Public Property UserName() As String

Why is this allowed regardless of option strict being on (or not)?

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Option Strict On By Default?

Mar 1, 2011

Whenever I created a new VB.NET program I must go into project's proerties and set 'option strict' on. Can I do that once so it is a default for every time I create new project?

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Option Strict On LINQ

Dec 28, 2011

i'm encountering the following problem. I recently activated 'Option Strict On' and now I get an error in my LINQ query. From e As TEnum returns the following error: Option Strict On disallows implicit conversions from 'Object' to 'TEnum'. [code]

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Option Strict Woes?

May 25, 2012

I have a DataGridview in which one column is a checkbox. I use the following code to check/uncheck the box whenever the cell is clicked.

Private Sub dgUnscheduled_CellClick(sender As Object, e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgUnscheduled.CellClick
If dgUnscheduled.CurrentRow.Cells(0).Value = True Then

[code].....

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