Pass A Reference To A Form To Dynamically Compiled Code?
Mar 6, 2011
I am trying to create a application scripting environment for my VB .Net application. I have a form type in the application called Project. What I want to do is dynamically compile (i.e Eval) VB .Net code on a Project form. This dynamic code always has a Main function. One of the arguments to Main is a reference to the calling Project form. Here is the Eval code:
Public Function Eval(ByVal vbCode As String, ByRef MyAssembly As System.Reflection.Assembly, ByRef ProjectForm As Project) As ArrayList
Dim Provider As VBCodeProvider = CodeDomProvider.CreateProvider("VisualBasic")
[code].....
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Dec 5, 2011
I need to pass a reference of a class instance to a new form; the newform obtains data from the user to be added to the class instance. How might I do this? Is there a way to pass it as a parameter via the ShowDialog call?
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Apr 29, 2011
I have maintain a common data table for 3 forms.[code]...
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Jun 19, 2012
I've got a class where I pass in a panel reference and in that panel I'm then required to draw multiple other panels that represent my objects. The issue is that when I go to bind dynamically click events to these panels I don't have reference to the Form of which I want to popup on the click event.
The reason for this structure is so that I can redraw my class dynamically and reattach certain events to each object.
Is there any way to do this without moving my classes logic outside of the Assembly or is there any way to attach my click event to a piece of code logic to a sub in my WinForm?
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Sep 27, 2010
I am using Umbraco (a .NET CMS), and it has a reference to a specific version of a DLL (see 1 Umbraco Reference below). This is fine until I try to hook into the .NET MailChimp API which references a different vesion of the same DLL (see 2 PerceptiveMCAPI below).I can think of a couple of options for resolving this
a. Get either the Umbraco or PerceptiveMCAPI source and reference the same version of the DLL, really do not want to do this for compatibility reasons
b. Dump the 2 DLLs in the GAC, I want to avoid this as I see deployment issues arising if someone forgets (I know we should have an automated deployment but time is restricted)
I remember that there is a third option to specify what version of the DLL to use in the configuration. Is this possible and what is the code for it?
1 Umbraco Reference
// Assembly Reference CookComputing.XmlRpcV2
Version: 2.4.0.0
Name: CookComputing.XmlRpcV2, Version=2.4.0.0, Culture=neutral, PublicKeyToken=a7d6e17aa302004d
[code]....
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Dec 8, 2011
I have some code to execute code at runtime...
Here is the main
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
If TextBox1.Text.Trim <> "" Then
If TextBox2.Text.Trim <> "" Then
[code]....
When the button is pressed, it all works and the following files are created: yahoo.dll and yahoo.pdb My question is this: What is the code to load the already compiled yahoo files to execute the code again, without having to recompile the code?
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Nov 24, 2010
I have been playing around with different types of native code operations in Visual Basic and then inspecting the code with Reflector to see what kind of MSIL is produced. For example, I wondered, in a one line If-Then-Else different than an If-Then-Else split onto multiple lines, ie.
[Code]...
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May 26, 2010
I pass this class i created a variable by reference and i want that reference to be assigned to m_Text so that when i change m_Text it changes the TextValue variable i passed. Example:
Dim test2 as String = "ok"
Dim test as New GeneTextBox(test2)
'then some one changes the text in the GeneTextBox and i want it to change the test2 string...
Public Class GeneTextBox
Inherits Windows.Forms.TextBox
Private m_Text As String
Public Sub New(ByRef TextValue As String)
[code]....
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Oct 27, 2010
I have completed a small VB console app to read data from a BT card scanner. From within the VS2010 developer the app runs as desired, capturing the data and displaying it on screen with console.writeline().When I compile and execute the code either from the debug bin version or the release bin version, the app only captures the first few bytes then closes. All the code is within the Module1 Sub Main. Is there a compile setting or other property that I need to adjust?
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Jun 9, 2011
i am a Microsoft Word developer and I sell Microsoft Office solutions, to companies. I am beginning to be concerned that my solutions are being copied - which is fairly easy.I am hoping someone can give me some advice about the best way to do this.I don't really have much of an understanding outside of Office VBA development - but have dabbled in .NET and VB in the past. Should I be buying Visual Studio - if so, does it matter if I buy Visual Studio 2008 or 2010 - I will initially need to convert some Word 2007. I have previously downloaded the .NET framework, and not sure how this relates to Visual Studio.
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Feb 21, 2011
I've a requirement to have PreCompiled webpages and Non-PreCompiled webpages under same application. For example below is my structure:
/Bin
/Test1 (PreCompiled)
/Test2 (NonPreCompiled)
/Test3 (PreCompiled)
I would like these to have their separate "Bin" folders too if possible at all (I tried using "Probing" but I guess that's not allowed for web apps and defaults to "Bin" folder). If not that then definitely some ability for these to work together under one app/virtual directory because I'm not allowed to create another at any cost :(
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Jun 19, 2009
This code was working consistently, but now...This code works on the first pass.Then second pass it just hangs on Code:Dim tcpClient As TcpClient = tcpListener.AcceptTcpClient() for about 2 minutesThen the code will fork for another pass, then fail.....
Code:Imports SystemImports System.TextImports System.Collections.GenericImports System.XmlImports System.Xml.LinqImports System.Net.Sockets
[CODE]....
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Sep 10, 2010
is there anyway a compiled executable can be decompiled? in other words can its code be viewed? the reason why Im asking this if because I have a small project to do which for the most part is almost done, plus the instructor gave us the executable version of the application for us to test-drive, my application does everything but one thing. it is a small calculator application where there is a operator label that should display the arithmetic operator chosen by the user, per say I Im adding two number, there should be a box displaying the plus "+" sing or any other operator I pick, but I dont know how to get that done, so I would like to see the finished application code just to see how the coding should be done.
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Apr 8, 2012
VB.net 2010 windows forms application:Why does the compiler compile with code that requires subsequent alteration?
For example, in the form sub InitializeComponent():
system.Windows.Forms.Button() requires alteration to global.system.Windows.Forms.Button()
[code].....
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Mar 28, 2011
How can I do this:
Dim oMyObject As New MyObject
oMyObject.DoSomething("Parameter1","Parameter2")
The "DoSomething" and the two parameters are dynamically provided from another script. They are stored in a string object in this script: sAction & sParameters. My question is how can I dynamically pass the "sAction" to the object oMyObject.For example oMyObject.sAction (where sAction should be the value stored in the sAction string). The example will probably not work. Is there a way to do this? The idea behind is to avoid having to write each function hardcoded, like:
If sAction = "DoSomething" then
oMyObject.DoSomething(sParameters)
ElseIf sAction = "AnotherThing" then
[code]....
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Apr 14, 2011
Using VB 2008 and SQL 2000. Converting code from VB6. I need to dynamically pass the source filename to a dts package. The assignment statement doesn't seem to work. What am I doing wrong or what do I need to do differently?
Private Function RunDTS(ByVal strPkg As String, ByVal strServer As String, ByVal strFile As String, ByVal strBatch As String, ByVal strEmployee As String) As Integer
Dim v As DTS.GlobalVariable2
Dim pkg As New DTS.Package
[code]....
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Jul 11, 2011
How can I pass stored procedure name dynamically to Linq-to-SQL, vb.net and get the result into a datatable.
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Jan 13, 2011
how to go about adding a reference to an assembly at run time? I am writing a vb.net (2008) program that will send email via Outlook. But at compile time I do not know which version of Outlook the user will be using - Outlook 2003, 2007 or 2010.
How do I add a reference at runtime which will a) satisfy this condition and b) allow me to compile the program? If I do not have a reference at compile time then my Outlook code will fail
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Sep 7, 2008
I'm new to VB (and .net), just started taking an introductory class. One of the things we've done is set up a little form that does basic math. It looks something like this:
Code:
[txt1] = [txt1mod1] + [txt1mod2] [btn1]
[txt2] = [txt2mod1] - [txt2mod2] [btn2]
[txt3] = [txt3mod1] * [txt3mod2] [btn3]
[txt4] = [txt4mod1] / [txt4mod2] [btn4]
When you click btn1, it adds the values txt1mod1 and txt1mod2 and displays the answer in txt1. The same happens for buttons 2, 3, 4 on their respective lines. So the way we handle this is to have four subprocedures that handle the button clicks, one for each button. I was thinking it would make more sense to have one function handle all of the button clicks, since it's basically the same thing. Through my own research I've learned you can have multiple events call one procedure like so:
Private Sub btn1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn1.Click, btn2.Click, btn3.Click, btn4.Click
'stuff
End Sub
But how do I determine which of the four buttons was clicked, and which text box values the user cares about? Then after doing so, how do I reference the relevant controls (txt[x]mod1, txt[x]mod2, txt[x])?
Code:
Dim b As Button = CType(sender, Button)
Dim t As String = b.Tag.ToString
But it gets a little fuzzy after that because I can't figure out how to reference the controls using the tags. I don't even know if I'm going down the right path. I can, for example, set some string to
Code:
strBox1 = String.Concat("txt",t,"mod1") 'string is "txt1mod1" for example
but trying to reference the control
Code:
...strBox1.Text...
gives me errors that, "Text is not a member of String."
Well, I don't know if this is correct or not, but it seems to work if I use "Controls()":
Code:
'if t = 1
Dim a As String = Controls(String.Concat("txt",t,"mod1")).Text 'value of txt1mod1
Dim b As String = Controls(String.Concat("txt",t,"mod1")).Text 'value of txt1mod2
Dim s As Integer = CInt(a) + CInt(b) 'im actually determing the operand elsewhere
Controls(String.Concat("txt",t)).Text = s.ToString
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Sep 14, 2011
I am trying to figure out how to do this or if it is even possible. I believe it should be, I have about 20 different tables with different amounts of columns in each table. I.E. One table might only have 4 columns while another might have 30 columns. What I am trying to do is create 1 sub/funtion that will handle the select and import for all 20 different tables, unfortunately for me I can't seem to figure out how to write this.
I know the select statement for getting the column names is :
SELECT column_name FROM INFORMATION_SCHEMA.Columns where TABLE_NAME = 'table'
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Jan 12, 2011
I get values from web service:
Dim ctr As Integer = 100
Dim ctr2 As Integer = 145
Dim ctr3 As Integer = -2
[code].....
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Jun 10, 2011
dynamically passing image to crystal report from a disk in vb.net 2005
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Jan 12, 2011
I created 5 textboxes using runtime controls:
For i As Integer = 0 To 4
Dim custom As New TextBox
custom.Name = "Custom" & i
[Code]....
how can I get those values and then pass it to a web service? (This should happen when i click the submit button)
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Mar 20, 2011
I'm writing a program that inserts controls onto a webform dynamically. Depending on a variable, I add either a textbox, a set of radio buttons, or a set of checkboxes. Later, after a user clicks a submit button I need to use the controls to determine if the user is submitting the correct answer, but when I try to reference the id of a control, I get "txtAnser is not declared. It may be inaccessible due to it's protections level. Here is the .aspx page (it's the standard content page of a master page):
[code]...
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Feb 21, 2012
I have a few text boxes on my form (txt1, txt2, txt3...) and would like to assign values to them based on the index. I not sure how to describe but Something similiar to the following:
dim i as integer = 30
For n As Integer = 1 To i
[txt] & i.text = MyText" & i
Next
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Mar 16, 2012
This seems valid (at least VB isn't complaining):
[code]...
My question/problem is how to do you pass the key into MyRef from the MyDict reference? Basically I'm wanting "NUMBERS" -> "1" output "One", "NUMBERS" -> "2" output "Two".
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Jan 21, 2011
I'm trying to reference a public property from a string. How can this be done in vb.net?I have the text value of "FirstName" stored in strucParam(i).TxtPropertyName.[code]...
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Nov 1, 2010
Does anyone know how to pass values from adynamically created gridview checkboxes to a crystal report?Is it possible? I am using asp.net, vb.net and mssql. Here's my grid minus a few boundfields:
<asp:gridview id="grid" runat="server" autogeneratecolumns="False" cellpadding="4"
forecolor="#333333" gridlines="None" emptydatatext="No Products registered for this company...">
<RowStyle BackColor="#EFF3FB" />[code]............
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Mar 9, 2010
C++ DLL MiFare.h has
MIFAREAPI_API unsinged short MIFAREAPICC MF_ReadCardBlock( DWORD dwBlkAdr, DWORD dwRdrKey, DWORD dwKeyAB, DWORD dwRspBufSz, BYTE *pRspBuf );
my decalre in VB is
<DllImport("MifareAPI.dll")> _
Private Shared Function MF_ReadCardBlock(ByVal BlkAdr As ULong, _
ByVal RdrKey As ULong, _
[code]....
but i can't get the correct data?
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Feb 11, 2012
Implementing a simple MVC in vb. The controller instance creates and holds instances of the model and view:
Public Class Controller
Public Property myModel As Model
Public Property myView As View
[code].....
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