Dynamically Create Functions At Runtime?
Aug 21, 2008
The exact error that was thrown was a MissingMethodException,and was caught like
thisExceptions.Domain.GeneralException was caught Message="UpdateVendorFileProcessingWeek, Method not found: 'Int64 DataAccess.Manager.VendorFileHistoryManager.GetVendorFileHistoryID( Int64, System.DateTime, Boolean)'."
Source="Domain"
[code]....
there's a series of shared functions being used;everything compiles and builds ok - it's only during runtime that the error is thrown;the code itself DOES NOT use reflection to find any methods (but obviously the frameworkis doing some reflection)?
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Nov 26, 2009
is there a way to dynamically create functions at runtime?
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Dec 31, 2011
A while back I asked a question on how to create EXEs at dynamically at runtime. This time, I wanted to know how to add code to your program dynamically at runtime too. Like if I had a textbox on a form, and I typed whatever code into it, then it would add the code to a subroutine and it would be executed. How can this be done?
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Jun 29, 2009
I want to dynamically create tabages at runtime. So I hav to create an array of tabpages.
How do I create it and later add it to my tabcontrol?
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Feb 11, 2010
I have a small problem with a list view and tree view. When i click on the first child node a form opens. Because my listview is populated dynamically when i click on treeview, i want the listview itemes to inherit the function of the treeview. For example, instead of cliking the treenode in the tree view to open a form i will click the list view item and the form opens.
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Nov 19, 2010
I'm wondering, when I add dynamically controls in runtime in the form - is there a way to save this controls, and they appear the next time when you run the application?
I'm using VB9.
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Jun 23, 2012
I trying to add to picturebox to a panel, the idea is to add an unknown aamount of pctureboxes to a scrollable panel. For now im just trying to add 1.
Dim PB As New PictureBox
With PB
.Name = "MyPic"
[Code]....
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Mar 28, 2009
Is there a way to dynamically create an object at runtime?Background: Basically i have an employee class that i want to instantiate every time an employee logs in. What i don't want it to have an employee object already created for every employee, but when they log in the object gets created.
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Jul 1, 2011
I'm redoing a program for my company and my boss wanted me to created the entire thing through functions...
For the task I wanted to know is it possible to have functions within functions?
Sort of like in C where we would have nested structures?
Its a FILE I/O, with robot commands, moves and verifications....
So I would find the line in an excel spreadsheet where it moves, the coordinate, put it into an array.
Take the actual results store them into a two dimensional array...etc, etc....
Another function would eventually compare the results with the moves, and within a tolerance.
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Apr 18, 2012
I add textboxes dynamically at runtime. How do I access them later in the program?
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May 4, 2010
What I'm trying to do is build 16 forms dynamically at runtime (all will be identical). These 16 forms each will display a camera, which is using an ActiveX control made by a 3rd party. I am able to create the forms correctly and provide all necessary parameters for each control, but since I have to declare my own AddHandler event which checks if the camera connected, I need to somehow reference the ActiveX control at runtime, but I can't tell it which form it's on because it says it's not declared.[code]...
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Jun 6, 2011
I'm having a lot of trouble trying to add a new control to a dynamically created TabPage at run time, I have viewed many threads with similar help requests and cant seem to make the codes work!
Here's what I've got:
Dim albumscount As Xml.XmlNodeList
albumscount = config_doc.SelectNodes("component/config/menu/album")
i = albumscount.Count - 1
Dim albumtitle As Xml.XmlNode
[code].....
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Jan 19, 2012
I have a large form of 16 rows, and 5 columns of comboboxes. Three rows will be filled with the same information as a list of about 20 items. Two rows contain the same information of only 5 items.
[Code]...
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Jan 24, 2011
What's the best way to dynamically remove method calls at runtime? Essentially what I'd like to do is pass a parameter to my application. Let's call the parameter level. Depending on the value of level, I'd like to essentially remove all the calls that have higher levels. I have the following but was wondering if there were a simpler/cleaner way to remove the calls:
Ideally I'd really like to write something like:
Log5("message")
And just have Log5 work or not call if it doesn't exist. My goal is to actually remove the call. The overhead for calling level 5 logs that test and return is fairly high and I rarely use it.
Module Module1
Delegate Sub Log(ByVal message As String)
Public Log1 As Log = Nothing
Public Log2 As Log = Nothing
[Code].....
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Mar 17, 2010
Here is my xsl:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
[code]....
The problem is the class="pass_section" in the xsl. I need to set that value dynamically in the VB code (meaning put a run-time value in the xml to set it).
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Oct 21, 2009
I have a WinForms application that I need to dynamically add controls to at runtime. I searched for this and I was initially led to the TableLayoutPanel (TLP).
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Feb 17, 2011
I'm developing an application to allow engineers to conduct simple single table/view queries against our databases by selecting Database, Table, Fields.
I get how to use the Dynamic LINQ Library Sample to provide for dynamically selecting the Select, Where and Order by Clauses at runtime but I'm at an impass on how to allot for table choice.
Is there a way to provide for dynamically selecting the "from" table at run time
EDIT
So Both of the answers seem to be saying the same general Idea. I'm going to try to convert the C# into VB and get it to work.
The first answer converts to
NotInheritable Class DataContextExtensions
Private Sub New()
End Sub
[Code].....
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Sep 1, 2009
I need to resize Rows and columns dynamically in TableLayoutpanel..I achive this but it's not perfectly come in some times.. My requirement is how we are resize the rows and columns of TableLayoutpanel at design time..Same like i need to implement at Runtime.If i resize any row or column only That perticuler item only resizing ..
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Dec 6, 2010
What I am trying to do is have a class where the functions of the same name are both instance functions and shared functions.
Public Shared Function Get...(byval xx as xx)
and
Public Function Get...
The Public Function uses a Property xx created in the constructor, whereas the Shared Function has the parameters (byval xx as xx).
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Apr 27, 2010
I am writing a game editor, and have a lot of different "tool" objects. They all inherit from BTool and have the same constructor. I would like to dynamically populate a toolbox at runtime with buttons that correspond to these tools, and when clicked have them create an instance of that tool and set it as the current tool. Is this possible, and if so will it be better/easier than creating those buttons by hand?
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Jun 19, 2009
I have had no experience with the VB .Net framework. I'm quite comfortable with VB. I wish to create a DLL out of some code which performs some calculations. Is it possible to create DLLs which can export functions using VB .Net? (I read somewhere that we can only create 'ActiveX' DLLs and cannot export functions out of it)
This link [URL] does give a method of creating DLLs by replacing the Linker of VB with a new Linker which can add the '/DEF' field while creating the DLL. Is this doable for VB .Net as well?
Also, the DLLs I want o create will be used by VBA codes in Excel Workbooks. Another way I think it could be done is to put the code in a Module inside a workbook and use it as an add-in. I need to create approx. 150 such DLLs, so I'll have to create 150 separate Add-ins. (Thoguh each add-in will only be loaded when it's required.)
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Apr 15, 2010
I'm trying to create a .dll in VB Express with multiple functions and subs.
For the .dll program, I create a class module with:
Public Class Class1
Public Function ReturnOne(ByRef MyVar As Integer) As Integer
[Code]....
Upon execution, it tells me that it cannot find the entry point in the .dll.
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Sep 11, 2009
I am currently in the proccess of making a calculator, i have added all the functions i want, (+, x, / and - plus = obviously), but the problem is, i cannot do something like, "4+5x2", I can do "4+5" but i cant make 1 function mix with the others.
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Mar 6, 2010
I'm wondering how I can go about creating something like a header file to contain some verbose functions I don't want to have to look at after I get them created. Something like in c++ like..
#include "classfunctions.h" to hide all the nasty stuff you don't want anyone to see.
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Mar 20, 2010
I need to dynamically create textbox. This is my code, but with this I create only one textbox:
Public Sub CreateTextBox()
Dim I As Integer
Dim niz As Array
[Code]....
So how i can dynamically create textbox?
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Oct 30, 2009
I would like to create a folder dynamically in vb.net.I know System.IO.Directory.CreateDirectory("c:NewFolder") would create folder in the directory but I want folder to be created in the application and visible on my web page.its like when I say create album ..I should be able to create a folder with album name on it.
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Feb 3, 2010
I want to create a form dynamically.I have a section on the form that has 3 combobox and 2 buttons. What I want is when the user clicks on the '+' button it add another 3 combobox and 2 buttons below the first, and so on and so on. Also when the user clicks the '-' button I want to remove the row of 3 combobox etc.
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Jun 5, 2011
I want to create labels dynamiclly (at run time) when user clicks one its click events will excute I want like this : for i as integer=1 to 10 step 1
'' here label creation
end for
[code].....
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Aug 30, 2010
I have created a function that uses the Mailto: vb control, It Works like this: SendEmail("Address@address.com, "subject", "Mail body.")The email address subject are all created dynamicly,and my function works fine when testing.
however, I want to dynamicly create the button and dont know how to make it call a function with params on click, Here is what im trying: Private Sub Form2_load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
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Nov 23, 2010
I have a form with a textbox to enter a number and a button called "Create". When a user enters a number and clicks create the form gets populated with the number of buttons entered in the textbox and the title of the buttons are labeled by consecutive numbers. For example if you enter 5 the form will populate with 5 buttons labeled button1, button2, ...button5. When you click on these newly created buttons a messagebox will popup stating the buttons name. Basically I need to know how to create events and populate them with code I guess dynamically.
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