C# - Write An Embedded Method For An Expression In MS Reports?

Jan 11, 2012

I want to create a (vb.net) method and call it from an expression like this:

=Code.WhereDoIWriteThiscode(Fields!SomeValue.Value)

Where do I write this WhereDoIWriteThiscode method ?The documentation says it is an embedded method.

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Write An Embedded Resource To File?

Sep 28, 2010

I'm having difficulty writing an embedded resource file to disk, when I step through this code it works the way it should and writes the file, but when the application is run externally it does not write the resource file.[code]...

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Expression Is Not A Method

May 4, 2012

I don't know what I have done wrong in this code using vb 2010 express, well here it is anyway

MsgBox(10)
MsgBoxStyle.Critical()
MsgBoxStyle.OkOnly("ERROR")

I get three errors of expression is not a method

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Dll Error: Expression Is Not A Method?

Mar 4, 2010

Ok so I have alot of plans for programs coming up and I want them all to fade in and out so instead of copy and pasting from project to project etc I learnt about dll's

So when I added in the references etc and I typed in what I declared the Fadein function as which was "FadeIn" I got an error saying it needed to be declared

So I declared it as a string
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim FadeIn As String
FadeIn(Me)
End Sub

Then I get a different error saying Expression is not a method.

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Error - Expression Is Not A Method

Aug 7, 2009

im migrating from vb6 to vb.net and have only very basic knowledge of .net. now i upgraded one of my projects, in which i had function cleartexts() which would clear all the text boxes of the forms. now to upgrade it to .net i converted it to sub (as it didnt return anything), so it looked like,

public sub cleartexts()
for i = 1 to 24
text(i).text=""
next
end sub

but .net 2005 gives the error, "expression is not a method", how do i call it then?? or what modifications do i need to make?

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Expression Is Not A Method From Within A Class?

Jan 9, 2012

I am getting an error when trying to call a form from within a method:

Expression is not a method

My code structure looks like this:

Public Class frmMain
Class Server
Private Shared Sub StringMessageReceived()

[Code]....

How can I call the windows form within the class?

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Winforms - .Net Method To Print All Available Reports With A Single Button Click?

Nov 30, 2011

I have created a windows form with a crystal reports viewer, a combo box to select a report to view, and a button that I would like to (Print All Reports). The print button in the viewers toolbar will print the report currently being viewed. I want the button in my application to print all the reports without viewing them.

I have following code, but it throws an exception of type 'CrystalDecisions.Shared.CrystalReportsException' occurred in CrystalDecisions.CrystalReports.Engine.dllAdditional information: Load report failed.

[Code]...

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How To Write If Not Expression

Nov 11, 2011

This is ok in VB.NET: If(hash.add(Numbers[index]))However how do you write the following in VB.NET: If(!hash.add(Numbers[index]))

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C# - Convert This Anonymous Method / Lambda Expression Across?

Feb 23, 2010

How would you convert this to VB (using .NET 4.0 / VS2010) ?

bw.DoWork += (o, args) =>
{
Code Here
};

I thought maybe like this:

AddHandler bw.DoWork,
Function(o, args)[code]....

But it says Function does not return a value on all code paths.

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C# - Use A Method Instead Of Lambda Expression With Extra Parameters?

Jan 27, 2012

I have an inline lambda expression that I would like to use throughout my application. I just can't seem to find a reference on how to do this with more parameters than the element being tested. Here is a quick example of what I currently have.

Private Sub Test()
Dim List As New List(Of String) From {"Joe", "Ken", "Bob", "John"}
Dim Search As String = "*Jo*"

[Code].....

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Regex :: How To Write Regular Expression

Sep 14, 2010

My coworker needs me to write him a regular expression for his vb.net app.I do not know vb and he does not know regex.The regex he needs is:/.*web id: ?(d+).*/iBasically he needs to search a string for something like "web id: 345" or "web id:2534" and retrieve the ID.He took what I gave him above and was able to put this together:

Dim strPattern As String = ".*web id: ?(d+).*"
Dim strReplacement$ = "$1"
GetWebId$ = Regex.Replace(LCase$(strNote$), strPattern$, strReplacement$)

[code].....

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Write A Simple Expression-like Class In .NET 2.0?

Jul 7, 2010

I'm currently working in .NET 2.0 Visual Basic. The current project is an Active Directory Wrapper class library within which I have a Searcher(Of T) generic class that I wish to use to search the underlying directory for objects.

[Code]...

In short, I want to offer some kind of Expression feature to my users, unless it is too much work, as this project is not the most important one and I don't have like 2 years to develop it. I think that the better thing I should do is to write something like CustomExpression that could be passed in parameters to some functions or subs.

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Cannot Evaluate Expression Because Code Of Current Method Is Optimized

Oct 15, 2008

In debug mode I get into a line that evaluates to false because the expression cannot be evaluated because of "Cannot evaluate expression because the code of the current method is optimized." Program does not assert or error out. If Item.Length then . . . (Here when I hover the mouse it displays "Cannot evaluate expression because the code of the current method is optimized"). What interesting is that it only occurs in one of .vb files.BTW, I'm programming in Compact Framework.

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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.

Code1:

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

[code]....

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Method - Action(Of T) And Lambda - Error: 'Expression Does Not Procedure A Value'

Apr 22, 2009

Imports System.Reflection

Public Class Test

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

'This line indicates a compile error: 'Expression does not procedure a value':

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

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C# - How To Write A Multi-line RegEx Expression

Jan 12, 2010

I have a vb.net class that cleans some html before emailing the results.

Here is a sample of some html I need to remove:

<div class="RemoveThis">
Blah blah blah<br />
Blah blah blah<br />

[Code]...

I am already using RegEx to do most of my work now. What would the RegEx expression look like to replace the block above with nothing?

I tried the following, but something is wrong:

'html has all of my text
html = Regex.Replace(html, "<div.*?class=""RemoveThis"">.*?</div>", "", RegexOptions.IgnoreCase)

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Write A Fraction Expression On A Picturebox, ExpressionBox?

Oct 15, 2011

I'm trying to write a fraction expression on a picturebox, ExpressionBox, placed on the form at design time

Using gr As Graphics = Graphics.FromImage(ExpressionBox.Image)
gr.Clear(Color.BlanchedAlmond)
gr.DrawString(Expr(0), NormalFont, Brushes.Black, 40, 0) ' numerator
gr.DrawString("Kapp=", NormalFont, Brushes.Black, 8, 13)
gr.DrawString(Expr(1), NormalFont, Brushes.Black, 40, 24) ' denominator
gr.DrawLine(Pens.Black, 0, 20, 300, 20)
End Using

The exception occurs when the code is entered. I've used similar code elewhere in the program without problems, so why is this exception occurring here?

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Translate A Call Of The LINQ Extension Method Select Into A Corresponding Expression Tree?

May 23, 2012

The following LINQ query resp. call of the extension method Select in Visual Basic 2010 is working fine:

Dim qAvSalary = qJobData.Select(Function(e) e.AvSalary) But doing so I am not able to specify the name of property I want the query (e.g. AvSalary) using a string variable. This should be possible if I use a LINQ expression tree. Searching and trying a long time on how to translate the query to a corresponding expression tree was not successful. My final approach is:

[Code]...

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Write A Dynamic Linq Expression - Large Program With Many References

Oct 14, 2011

I've build a large program with many references. F.e.:

System.Data.DataSetExtensions
System.Linq.Dynamic

I've to write a Dynamic Linq Expression: [URL]

In my case: Dim query As IEnumerable = ds.Sales.Where(strWhere)

But with System.Data.DataSetExtensions Where is misinterpreted. The compiler expects (Datarow, Integer, Boolean). If I delete System.Data.DataSetExtensions everything is ok with this expression, but I get many other errors, so I need this reference. What can I do that the Where is interpreted correctly?

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Write Method For Insert Into Table?

Jun 2, 2011

I want to write a method or function that help me for insert into database.[code]...

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Cannot Write XML Declaration. WriteStartDocument Method Has Already Written It

Sep 10, 2009

I want to pass an XmlDocument as a parameter to my webservice method. After I have loaded an XML file from a path, when I try to send the XmlDocument as a parameter by webservice method, I come across this error. What can be the reason? I use StreamWriter and I close it. I don't use XmlWriter.The development environment is VS 2008

Error Message:

Cannot write XML declaration. WriteStartDocument method has already written it.

Edit (from comments):I can't post all the code because it has more than 1000 lines. Also when I load Xmldocument in web, I can't use this method without problem. Maybe Webservice causes a problem?

Dim xml As New XmlDocument
xml.Load("My Documents" & xmlfile & ".xml")
myTransfer.Save_XML(xml, 1)

[code]....

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Linq - Write Lambda Select Method In .net?

May 22, 2012

For I've tried this:Dim exampleItems As Dictionary(Of String, String) = New Dictionary(Of String, String)
Dim blah = exampleItems.Select (Function(x) New (x.Key, x.Value)).ToList 'error here

But I'm getting a syntax error and all the examples that I've seen are in C#.

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Write A Generic Extension Method For Every Enumerable(Of T)?

May 30, 2012

After looking at this thread.>>

How to randomize the alphabet I have decided to make it into an extension method for a String and a List.

Note: Please see the following post if you are still using VB.Net 2002, 2003 or 2005

this code is for use with 2008 and later versions of VB.Net

String.Mix and also List.Mix I was trying to write a generic extension method for every Enumerable(Of T)

I settled on just doing it for a STRING

[Code]...

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Write A Method To Shuffle A Deck Of Cards

Nov 13, 2011

I have a standard deck of 52 cards is represented in an array. Each card is represented as an integer. I wrote the below function to shuffle the cards. Does the code below look ok?

Module Module3
Sub Main()
' initialize array

[Code].....

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Write A Method That Is Called From A Variety Of Forms At Load?

Nov 29, 2010

I'm trying to write a method that is called from a variety of forms at load. So with a Form1 load event I would call the following:

Dim testpoint As New Point(10, 20)
DrawVerticalStringFromBottomUp("Hello", testpoint, Me)
The DrawVerticalSTringFromBottomUp Method is as follows:

[Code]....

When I call the code at a form's load event, nothing happens. When I call it from a button click after the form has loaded it works! I know this should be called from the paint method, but that doesn't suit my purposes.

way to make this work from the form load event?

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Opening A File - If Statement Is Showing "Expression Is Not A Method"

Jun 26, 2009

The 'reader' within the if statement is showing "Expression is not a method", what am I doing wrong?

[Code]...

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VB2008 Calculator - Error "expression Is Not An Array Or Method And Cannot Have An Argument List"

Oct 28, 2009

I am getting two errors for "expression is not an array or method, and cannot have an argument list," When debugging, the formula works quite well. However I will lose points for blue squiggly lines. I am not allowed to use any built in functions like math.

[Code]...

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Winforms - Calling A Method From Different Class To Write Text On A Form?

Dec 5, 2011

I have two forms Form1 and Form 2. I am passing a function with three values from Form1 and want the load event of form2 to trigger this function.. Basically I want to "paint" the values of qseq, midline and hseq on form2

Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code].....

When I run this, nothing gets printed on form2 as when load event is triggered thee drawstring method is not called. how can I call drawstring from load method as drawstring takes in arguments and is called from Form1 class.

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"Expression Is Not An Array Or A Method" Error

Dec 5, 2011

I have been working on this project all night and think that sleep deprivation is preventing me from figuring this out. I have a base class from which 5 derived classes are under. I am getting an error in the HourlyWorker class that I just can't seem to get past. The error I am getting on the 2 highlighted in RED "wage": Expression is not an array or a method, and connot have an arguement list

I checked the MSDN and it says to correct the error to remove the arguements list. This is confussing because I need it to validate wage > 0

[Code]...

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Write An Url Sniffer Type Application Like Firebug - Obtain The Headers Using The Method?

Dec 14, 2009

I'm going to write a url sniffer type application like firebug, just for the exercise.I have used httpRequest/response in the past and wonder how i could obtain the headers using this method? or perhaps i need to be going down the root of sockets which i know nothing of value about? perhaps it can be done using webbrowser too.

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