Dynamic Way Of Loading The Information From The XML File Into A Specific Object Property?

Aug 11, 2010

I currently have a XML file for an application I am developing. I have built a a XMLFile.GetContent function to read my XML File and load the content into a set of specific objects. These objects are then added to a collection and passed back to the main code to be loaded into the memory of the application.I am looking for a dynamic way of loading the information from the XML file into a specific Object Property. I have added comments to the function to show what I want to make dynamic.Content of XML File

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Config>
<IQSDataSources>[code].....

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VS 2010 Loading An Object Property?

May 31, 2012

This question is more of a fundamental question then anything.

I've got a custom object collection, lets call it People, that holds my Person class objects. The Person class has a property called Phone Numbers. The Phone Numbers property is a custom object collection of phone numbers that are retrieved from another table. So...

Private People as BindingList(Of Person)
Class Person
Private mName as string
Private mPhoneNumbers as oPhoneNumbers

[Code]....

I'm inclined to go with option #1 because option #2 would make a lot of calls to the database if there are a lot of persons living in New Jersey.

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Know Whether An Object Has Specific Property?

Jan 6, 2012

I want to do translation recursively on all components in my form. So my function will start on the form. Before the recursion, it's obvious that I have to know what property containing the children that the current Object has.[code]...

The method I want to use it, I will check if the current object has property Items if not, check if it has property Tabs, and so on... Then the last fallback, check if it has property Controls.

Now the very question how could I check if the current object has specific Property?

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Unable To Retrieve AplicationSettings Information (object Name, Property Name) For Connection?

Dec 5, 2006

I am faced with the prospect of having to completely rewrite the application.I have suddenly started to get this error message all the time - it seemed to start after I added a table to the schema, but deleting the table makes no difference. I can't see anything wrong with the connection string, but as it seems to be entirely undocumented, that doesn't mean much.

The connection string contains DataSource=.SQLEXPRESS;AttachDbFilename=|DataDirectory| est.mdf;Integrated Security=True;User Instance=Trueand certainly the string works when I use "test connection" from the application setting edit box. I am assuming that for some reason it is not evaluating the Data Directory , but can't see any reason why it shouldn't. Any ideas gratefully received! What might be a clue though is that I can't get rid of the table I added. I have deleted it from the database, deleted it from designer and saved the file, but it just keeps reapearing! Even when it is not showing, there is still a
table adapter in the .xsd file. I am reluctant to start editing this manually because of the danger of screwing something else up - I did try but it caused an error somewhere else (VS helpfully didn't say where)

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Loading Txt File Information Into Multiple Text Boxes?

Mar 19, 2009

I know how to load a txt file into a single text box, but im having trouble loading a text file with multiple output information into multiple text boxes using commas to separate the information.

ex)
txtfile:
123, Employee Name, Employee DOB

[code].....

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Program Is Loading Information From A Text File To A Listbox?

Dec 13, 2011

The duplicates need to stay as they are in the text file. I just want the duplicates deleted from the listbox when viewed. How would I do that? Say there are two orders made by the same user. I only want the user to show up once in the listbox...

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Loading Information From A Text File Back Into 8 List Boxes?

May 18, 2010

Basically my program creates a text file based on whatever is contained in the 6 list boxes. What i need it to do is load the text it created back into the relevant list box. text file looks like...

Consignment Number-----Shippment Method------Expected Departure Date
CC33-1EA------------Express Air-----------18/05/2010

[Code]......

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Enter New Information In A Specific Node In A Xml File?

Feb 25, 2010

I'm trying to enter new information in a specific node in a xml file. This is the structure of the xml file:

<Root><Title 1><Title 2></Title 2></Title 1></Root>

How would I update <Title 2></Title 2> field?

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VS 2010 Store Specific Information About User In A File?

Apr 27, 2012

I need to store specific information about a user in a file of some sort. Something like an old ini file?

I will need to save a file for each customer.

CustomerName
OrderDate
DeliveryDate

[Code]....

All things point to a database but for several reasons I can't use a database.

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Use ToolTip To Show Some Specific Information About Specific Locations Of A Drawing?

Oct 27, 2009

The below picture is generated by the following code:

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object , ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me .Paint

[Code]....

What I want to do is when I click on each grid on the form (Touch Screen), a tooltip of some stored information about the grid appears on screen. For example, if I click my mouse on square 6,8 then some stored information such as grid number, grid name, level...etc appears on the tooltip on the screen.

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Dynamic Control Called From Vb File Code Raises Object Reference Error

Jan 7, 2010

In a ASP.NET app from a procedure IN a VB code file a dynamic control is called. The first problem may solve the second. In the following line of code I am getting an "end of statement expected" error at the following line.

[Code]....

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Load A Xml File Into A Data Set By Loading The Information Into A Data Row?

Jul 5, 2012

I am trying to load a xml file into a data set by loading the information into a data row. when i try to complete the task it throws a nullReferenceException. the row has data in it and i used the code earlier and it work.

[URL]

Imports System.IO
Imports System.Xml
Public Class frmMain

[Code].....

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Save ".nfo" System Information File To Specific Folder?

Jan 19, 2011

I want to use Msinfo32.exe to save " .nfo" file to specific folder with the help of vb code without poping up-viewing the Msinfo32.exe.

I want all the procedure to handled by code (Run Msinfo32.exe --> File --> Save).

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Dynamic Assemblies Loading?

Dec 22, 2009

Do you know any other alternative for dynamic assemblies loading? Other than the method below:

[Code]...

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Asp.net Mvc - Dynamic Object Properties In A MVC Helper On Entity Framework Object

Jul 20, 2009

I want to build a MVC helper function for which I pass a Entity Framework object and have it build a select. Generally speaking I tried something like this:

Public Function RenderSelect(ByVal helper As HtmlHelper, ByVal sSelectName As String, ByVal aItmes As Array, Optional ByVal sTitleKeyName As String = "name", Optional ByVal sValueKeyName As String = "id") As String
' open select

[Code].....

However, it isn't working. It would be great to have a way to do this and pass the current entity object.

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Dynamic Object Properties In A MVC Helper On A Entity Framework Object?

Oct 26, 2010

Dynamic Object Properties in a MVC Helper on a Entity Framework object

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[2005] Dynamic Add-on Component Loading?

Mar 16, 2009

I am currently developing an application that will be the "base" for several components (business reporting systems, order management, etc). The idea is that our customers will install this "mother application", and we will offer components that will slot into it, expanding the functionality.

Now, here's my idea for how to make this work. I have some of this basic functionality down, but I want to get other people's opinions, ideas and experiences with this sort of thing before I move too far in a direction that might not be the best way to go:

[Code]....

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.net Dynamic Loading - Getting Invalid Cast Exception?

Jan 6, 2011

I've seen some other responses about this and they talk about interfaces but I'm pretty sure you can do this with classes and base classes but I can't this to work.[code]....When it tries to convert whatever Activator.CreateInstance(t) returns to the base class of type Behavior I'm getting invalid cast exception. That type should be of CharacterController which is defined as a child of Behavior so why wouldn't it let me cast that?

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Deployment :: Dynamic Namespace (dll) Import (loading)?

Mar 9, 2012

I am using the Microsoft Encoder 4.0 dll's for capturing any activity. I have used registered dll as been imported in my project. but if the expression is not installed then there comes error in my application code.(actually the dll is missing to be used if expression encoder is not installed)."how to check for available dll and use it in my code?"

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Dynamic Assembly Loading And Using 'Shared' Methods?

Dec 20, 2011

I now have a need to dynamically load a dll into my application and I've found the reflection/assembly information and it's fairly easy to implement so I thought I was on my way. However, I quickly found out that I'm only able to use 'shared' methods. What I was originally thinking was I could have one shared method 'library.beginprocess' and then that would make all the necessary calls to the other methods, but this doesn't work unless all the other methods and class level objects are also shared.

I feel like I'm missing something or somethings just going right over my head. I've looked at many, many sites and examples, but I've only run across examples that expose 1 method,[URL]..which explain how to implement a plugin architechture, which I have not tried yet, but maybe would allow me to keep my class structure the same without having to make everything shared?

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VS 2010 Function Documentation And Dynamic Loading?

Mar 13, 2011

Since I've been writing my prgram, I felt the need to provide documentation in much the same way VS2010 does.I've searched everywhere I could, but all the references I could find where for older versions of the IDE.It appears there is no builtin facility to produce documentation and this sounds silly to me.I found external programs, but at 300$ a licence it's way over the top of my budget.Even the hints and tips stickied on this forum are out of date, as they refer to VS2005.So how should I produce inline documentation for my classes

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Saving And Loading Information

Feb 8, 2012

I am attempting to create a program that users can create "cards" that have user inputted data. There are textboxes for each field such as Name, Location, Description, etc What is the best way to save and load this information?

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C# - Dynamic Loading Working Fine, Except After The Executable Is ILMerged

Aug 16, 2011

I have a windows application that dynamically loads DLLs using Reflection.Assembly.LoadFrom(dll_file_name_here).

It works as expected, until I ILMerge the application with another DLL.

So this scenario works fine:

MyApp.exe
MyAppComponent.dll
Plugin.dll

Once I ILMerge MyApp.exe and MyAppComponent.dll resulting in:

MyApp.exe
Plugin.dll

Calling Reflection.Assembly.LoadFrom("Plugin.dll") seems to load successfully, however once I try to do anything with it eg:

foreach ( typeAsm in Reflection.Assembly.LoadFrom("Plugin.dll"))

I get an exception "unable to load one or more of the requested types. retrieve the loader exceptions property for more informtion".

The frustrating thing is I can't really debug it, because debugging pre merging works perfectly!

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Reflection - Find From A Property Info Object If That Property Has A Non Public (Private / Protected) Setter?

Aug 27, 2009

I searched on the forum / Internet for the solution how a PropetryInfo object (of a Public property) can reveal if it has a Private Protected Setter ... it was all in vain .... all help I found was about how to "Set" value of a public property having a Private Setter.I would like to know if I have a PropertyInfo object of a public property, how would I know if its Setter is Non Public?

I tried, in a exception handling block, where I did a GetValue of the PropertyInfo object and then called SetValue by setting the same value back... but to my surprise it worked well and didn error out.

[Code]...

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Loading MS Access Database Information In ListView

Jun 22, 2010

I'm having a problem with loading my MS Access Database. I can get it to load but it won't load in a row. My friend told me to try this but it puts all the information in a column instead of putting all the information spread out accross the row.

Here's my code:
Dim lb_Connection As New OleDb.OleDbConnection
lb_Connection.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA SOURCE = pass_database.mdb"
Dim lb_SelectCommand As New OleDb.OleDbCommand
[Code] .....
Also I'll attach an image of what the program does when I load it.

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VS 2005 : Get Information From An MP3/WMA Without Loading It In A WindowsMediaPlayer Control?

Jan 9, 2010

Get information from an MP3/WMA without loading it in a WindowsMediaPlayer control?

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Databinding An Object Property And Modifying Another Property In Code?

Jan 15, 2010

on a Windows Form, an object myObject is bound to myObjectDataBindingSource like this:myObjectDataBindingSource .DatSource = myObject on the form, i have a check box bound to the property: chkProp1 for example of the object: myObjectDataBindingSource In the code when the checkbox is clicked, I need to go in code and change another text property of the object txtProper2 for example like this:

Private Sub chkProp1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chkProp1.CheckedChanged

[code].....

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Retrieve Information From A Binary File, Alter That Information, And Put It Back Into A New File?

Aug 27, 2009

I am using VB2005 and trying to put an application together.What it needs to do is retrieve information from a binary file, possibly alter that information, and put it back into a new file.The file is a .wav file with data appened to the end. There is an additional section at the end of the .wav file which stores xml data.I have found that if I open this in a hex editor and make a 1:1 swap on any of the bytes that the application that the file is for can still read the XML.If I tried to add or remove characters from the XML then it would not read. I located a header byte and incremented it to resolve this.

This worked as an excellent bandage to do conversions where the data always needed to be changed to the same thing.What I have been asked to do is build logic that allows for different things to happen depending upon what data is contained within the file.The method that I am currently trying to impliment is:

Read through the file with a system.io.binaryreader

Searche for a bytestream that will signal data is coming

For example:

If System.IO.File.Exists("C: est estread.wav") Then
Dim findit() As Integer = New Integer() {&H3C, &H55, &H73, &H72, &H44, &H65, &H66, &H30, &H31, &H30}
Dim i As Integer[code].....

And then extract all the data till the end of element marker "<" It seemed like there should be a better way and I was looking for some insight. If I proceed with this method, I will have to read the file one time to gather the information and then a second time to write it all out with the header modified for length.This is my first experiene with working with binary files in this way.Also,I've been experiementing with building a string and slapping it back in at the end using the binarywriter.write(string) method.I noticed that it was putting in header characters before the string.These seem to change if I change the length of the string.At one point it was d0 07. Later it became e7 07. Does anyone know of a way to prevent this header from being inserted?

I tried a for each loop to grab all of the characters from the string, convert them to a byte array and deposit the byte array into the file, but the header remained the same. When I write the byte array generated from a system.io.binaryreader I do not get this header.

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Compare An Object Property To Another Object Property?

Jul 4, 2011

I have a listbox of a object called Account, which has 2 fields, password, and username. How can I compare a New Account to all the accounts in the list and see if the password matches?

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Handle An Object's Object Property Changed Event In .NET Windows Forms?

Jun 7, 2012

I know how to handle a single objects property changed event very easily. I want to handle a objects property changed event that is part of another object.

Given Object:

[ObjectY = Y]
+ Public WithEvents X As ObjectX

I would like to do something like:

Private Sub XPropertyChanged() Handles Y.X.PropertyChanged

Right now I need to create a object that equals the object inside that object and then handle this variable pointers property changed, but that is just annoying.

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