DNN Dal+ - Retrieve Individual Info Class Collection Items?
Dec 30, 2010
I can't seem to find any answers that work. Here's the setup:
Info class: Public Class ProductStageInfo
[Code]...
maybe I just don't understand the whole collection/index/thing. All the examples I've found are regarding single dimension collections - 'how to find name within this collection', and the responses use strings to search through them, but somehow the Info class is being treated differently, and I'm not sure how to translate this..
I want to retrieve the selected items in a listbox, save them to a collection, and then use that collection later. I thought that was simple enough, but when I clear the selected items in the listbox, my collections (items, indices) change. I found this out by stepping through the code.
Basically what I'm wanting to do is move items in the listbox up or down (up in this case), and still keep them selected.
I have several custom classes in a VB.NET (VS2008) project which are related to each other through generic list collections. The lower tier classes refer directly to some of the parent classes (to make it easier to refer backwards up the chain). My question is, is it possible to add the reference to the parent class when the item is added to a collection, when that collection is a property?
Below is some sampling of code to illustrate. Public Class FlexServer Private m_FlexLicenses As List(Of FlexLicense) Private m_Modules As List(Of FlexModule) Public Property FlexLicenses() As List(Of FlexLicense) [code] .....
In the code above I have the FlexServer class which refers has two lists as properties, one for FlexLicense and one for Modules. The FlexLicense class has a property to refer back to the FlexServer class that "owns" it. In order to update this property in code, I have to add the FlexLicense to the FlexServer.FlexLicenses list AND set the FlexLicense.FlexServer property. What I am looking for is, is there a way (in the property definition or wherever) to both add the item to the list and alter it at the same time?
I'm converting a library from C# to VB.net which so far hasn't been too difficult. One class though implements IEnumerable and IEnumerator and contains a block of code like this:
public class MyClassCollection { // Assume all other necessary code is in place
Up to now, my programs are installed in individual computers, and I use the data collected using Win32 classes (such as bios, board, and processor) to lock my program to those computers to avoid piracy. However, I am currently preparing two programs that will be installed in servers and accessed by more client computers. My problem is that I once read some ways of doing the same thing with server (accessing the hardware info of the server), but I simply can't find it again in my archive. My idea is simply to lock the program to the hardware info of the server computer, so wherever the person runs the program, it will be first checked the server hardware info, if it matches, only then, it will run. My client server is Windows Server 2003, and I am programming with VB2k5.
I need to bind a textblock.text property to a single element in an observable collection, or array element, and have the text update using the INotifyPropertyChanged or INotifyCollectionChanged, whichever is best.
Most examples describe ways to bind listboxes or other list views to entire collections, but my application needs to update several textblocks on a screen depending on notification of a change in one or more elements of an array.
Is it possible to bind a single textblock to a single array element? Is it possible to get notification of the proper type that will update one or more of the textblocks if any assigned element changes?
currently in my application I have a Global Collection that is a Collection of Collections.Currently I am trying to add items/ elements to one of the child collections of the Global Collection but I am unable to use the collections methods of the child.When I assign a variable to the child collection and return the collection it is just an object with the collection inside.
Ex: Dim GlobalCollection as New Collection Dim ChildCollection1 as New Collection Dim tempCurrentCollection[code]......
I have thius code that gets the html results of google search
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted Dim PageElements As HtmlElement = WebBrowser1.Document.GetElementById("rso") TextBox2.Text = PageElements.OuterHtml Dim text = TextBox2.Text End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click WebBrowser1.Navigate(TextBox1.Text)End SubAnd it returns the html code.I want to get each list item and takes it html and put each individuals html in to a variable. How would this be done.
Problem: I need a way to have individual notes for all the items in a listview. Tools: 1 Listview, 1 button and 1 Textbox.I would like to click an item and have notes for that item pulled from the settings.When the button is pressed I want the notes for the item to be saved in the settings.
I have a dilemma whereby I have a form which contains a number of comboboxes that contain information/options/items that may be invalid/out-of-date in certain circumstances.I can't simply remove the out-of-date information from the items, but I do want to give the user a visual-clue when options are invalid.
I have a huge assignment tommorow in which i have to make a trivia game on visual basic. In this game you have to be able to make your own questions (modify/delete etc). Basically I have one form where you can add questions into one listbox and answers into another listbox. Now i have another form with the actual game board. I want to load each individual listbox item from the other form into the array on the game board form. Example. the first item of form2.listbox1 into question(1)
I got this so far
Private Sub Form5_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim i As Integer
I have a ListView with the columns 'Name', 'Expected', 'Total', and I want to add another column saying 'Recount' at the end. The 'Recount' column will ideally have a checkbox only if the 'Expected' value is larger than the 'Total' value.
So far I have got the ListView with columns and can add a check box on the left hand side, but that check box is not under a column heading (though I can probably put another column with no values in there to work around that) and it is on all of the records.
I have a combo box which will store a list of RGB values generated when the user makes a custom color in the color dialog. The values are stored in the combo box in RRR, GGG, BBB format. I have this working. The code for this is as follows:
dlgChooser.ShowDialog() Dim colorR As String = dlgChooser.Color.R.ToString() Dim colorG As String = dlgChooser.Color.G.ToString() Dim colorB As String = dlgChooser.Color.B.ToString() lblTitle.ForeColor = dlgChooser.Color() cmbRecent.Items.Insert(0, colorR & ", " & colorG & ", " & colorB) cmbRecent.SelectedIndex = 0
The next part is to change each recent color's background color to match whatever color the values represent (so that it's easier to pick from the colors). How do I assign a background color to each item listed in the combo box?
With this code, I tried to put the contents of a collection (Info) into a text box but it didn't work. I would be glad if someone can examine it and tell me what is wrong. (Visual Studio builds the program fine and runs it, but when I click on Button3, this comes up:
An unhandled exception of type 'System.ArgumentException' occurred in Microsoft.VisualBasic.dll
Additional information: Argument 'Index' is not a valid value.
Here is the code I used (When the error occurs I made it bold):
Public Class Form1 Dim Info As New Collection() Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
This is a WinForms Application in VB. In my application I am trying to make it easier for the user to pick out items in a list quickly based on the items text color.. So I am trying to assign the color to each item using a select case statement as below... The problem is that I am getting an error saying "Public member 'Attributes' on type 'String' not found." VB flags the lines with the Attribute.Add param with this error.. Here is the code that I currently have...
For Each u In _units _counter += 1 u_lookupNumber_box.Items.Add((Convert.ToString(u.UnitId)) + " - " + (Convert.ToString(u.perMonthCost)))
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I did notice that when I did the .attributes part when I hit "." and typed "att" it did not appear in the intelisense box in vb.. Which makes me think I need to assign the name "attributes" somehow to the dropdownbox first.. It should be noted that u_lookupNumber_box is the name of the drop down box on my form..
I am trying to come up with a way to store 3 pieces of information for each employee in the company on a daily basis. So for instance: Day 1: Joe, 8, 80 Day 2: Sam, 10, 90 Day 3: Bill, 5, 40 Day 4: Bob, 8, 40 Day 5: Sue, 2, 50 I am very new to collections and most of the applications that I build are Create, Read, Update and Delete type applications that don't really need arrays so I have almost no experience with either.
This is what I have so far. VB ' Dim iDays As Integer = NumberDaysPerMonth(Date.Now) Dim DayNumber(iDays) As Integer Dim EmployeeRecords As List(Of String) = New List(Of String) For i = 1 To DayNumber.Count - 1 [Code] .....
what i want is when the user inputs the username and password, his/her information will be showed in the textbox located at the mainform which shows the users information like where he live and his occupation. how to show users data in the textbox of another form when he/she logged in. im using vb.net and mssql
I am attempting to write/read data to/from a device that is connected to my laptop via a USB-to-serial connection.The device getsa picked up in my device manager on com port 8.What do I need to be able retreive and send info. across to the device?
I want a context menu strip to have 4 specific items. For testing purposes, we call them Item1, Item2, Item3, and Item4.I've set up a context menu strip like this, and I am using it for about 20 different controls. I want these four items to do different things based on what control the user right clicks. The only way I could think of doing this, was to make 20 context menu strips and create a click event for each item. This obviously, seems like a really bad way of doing it.Does anyone have any suggestions or another way of making the click events for the individual Items based on what control is right clicked?
I am learning vb.net and I am having trouble wrapping my head around the following... I can create several properties of a custom class and get/set values or I can create a method to set them all at once. If each property is going to allow read and write should I just make a method to assign values all at once? I assume that I am missing a very important piece here. Example: I can create 2 properties:
I am working on making a program that will log into my internet banking site (this will most likely have to be done in IE) grab my current available balance and store this to a string, before I do any research I was wondering if anybody had anything like this already completed.I also need it to do this silently (as in no open IE windows) no visibility of program running to the user.
I am using the following SQL statement to retrieve information from an access 2003 database but this command keeps stripping out the proceeding 0 from the number of the month. The variable is called TBookingsDateFulldate
Dim sqlQuery As String = String.Format("SELECT [ID], [Date], [Zone], [Year], [Subject], [Teacher], [LessionID]" & _ " FROM tblBookings" & _ " WHERE (((tblBookings.[Date])={0})" & _ " AND ((tblBookings.[Zone])='{1}')" & _ " AND ((tblBookings.[Active])=0)" & _ " AND ((tblBookings.[LessionID])='{2}'));", TBookingsDateFull, TBookingZone, TBookingsTimes(B, 0))
Basically I'm adding a registration feature into my program, or a similar thing to that. So, when you purchase you can install up to 3 copies (for example), but not more.To do this, I need to know some kind of information that is unique to each computer (to store in my database online), I thought of the name of the computer, but that isn't unique, obviously.
I am supporting one old project built on VB6.0.Can anyone please tell me how to store and retrieve collection from Dictionary.I searched over net but got nothing satisfactory.I really got strucked because of this.Please provide Any Example or Any Link,so that i can do self study.
I need to convert a large VB6 app to vb.net which does a lot of database work and produces a Crystal Report. The initial form is simple a login form which validates the user. I am trying to use a datareader to retrieve the user's login info but it won't compile on the statement where I'm trying to get the Connection String from the app.config file. It complains that the ConfigurationManager is not declared on the dim statement. Where and how do I declare the ConfigurationManager? I thought it was just pointing to the app.config file but apparently that is not correct. [Code]
I am trying to read the pc system information so that I can retrieve the time and date format. My code below: Dim Info As System.Globalization.DateTimeFormatInfo Info = System.Globalization.CultureInfo.CurrentUICulture.DateTimeFormat Debug.WriteLine(Info.LongDatePattern) Retruns in debug: "dddd, MMMM dd, yyyy"
So I have 2 questions; 1) Why is there, a dd after the MMMM. 2) My company has small franchise branch offices round the world - France, USA, etc. What I am trying to do is get the date format so I can decide what country I am in - then when I print out the date on my order labels I can change the date format to suit Americans or Europeans etc.
I have an application that gets executed on a windows mobile device using RAPI that outputs the current device type, rom version, and wireless driver version etc.. to a .txt file on the device.My plan is to then pull .txt file over activesync to my pc and then open it up and assign each of those attributes into variables in my application.
