Arrays - Get The Dictionary Functionality?
Mar 3, 2010I want to statically define a mapped array of strings like:
var dict = {cat:50, bat:10, rat:30}
and lookup values within it like:
MessageBox.Show( dict["cat"] )
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Use Linq ToDictionary To Return A Dictionary With Multiple Values In The Dictionary Items?
Jan 25, 2010I want to group items from a linq query under a header, so that for each header I have a list of objects that match the header title. I assumed the solution would be to use ToDictionary to convert the objects, but this allows only one object per "group" (or dictionary key). I assumed I could create the dictionary of type (String, List Of()), but I can't figure out how to write it. As an example I have written a simplified version below.
[Code]...
Dictionary In A Dictionary - Collection Of Data To Pass Back ?
Apr 27, 2009I have created a class with a function in it. I have a collection of data I want to pass back. I tried an arraylist first. Now I am trying to use a dictionary. My problem is that it creates the dictionary ok, but I am only get the last row of data from my
Function GetWeldAuditInfo(ByVal ResourceId
As
String,
ByVal VendorId
[CODE].........................
Flatten A Dictionary Of Dictionaries And Sum The Values Of The Inner Dictionary With LINQ?
Apr 16, 2012I have the following object:
countDictionary As Dictionary(of Category, Dictionary(of Date, Integer))
The Class has a Enumeration Property. For the purposes of demonstration, I'll call it MasterCategory.I have been trying to get out an object that looks like the following:
groupedCountDictionary As Dictionary(of MasterCategory, Dictionary(of Date, Integer)
The best result I could get was:
Lookup(of MasterCategory, Dictionary(of Date, Integer))
From:
countDictionary.ToLookup(Function(o) o.Key.MasterCategory, Function(o) o.Value)
Which results in a IEnumerable (Of Dictionary(of Date, Integer)) for each MasterCategory value.However, I need that IEnumerable of Dictionary flattened to one dictionary with all the integers summed (total counts) for each date. I then tried to use various selects and group bys (from numerous stackoverflow posts) to "flatten" it, but my efforts have fallen short.
Current Code
[Category Class]
- MasterCategory As Enum
- Name As String etc
[code]....
.net - Filter Custom Dictionary With LINQ ToDictionary - "Unable To Cast Object Of Type 'System.Collections.Generic.Dictionary`2"
Jul 7, 2010I have created a Dictionary class (MyDictionary for the example). I am currently trying to pass MyDictionary into a function, filter it into a new instance of MyDictionary and pass this new instance into another method. When I am attempting to create the second instance from the filtered first instance of MyDictionary via Lambda Expressions and the ToDictionary Method, I am getting the following error:
Unable to cast object of type 'System.Collections.Generic.Dictionary`2[System.Int32,System.String]' to type 'MyDictionary'. I have simplified the example and recreated it in LINQPad and am getting the same error.
Here's the simplified version of my code:
[Code]...
Dictionary In Particular The Dictionary.ContainsKey Method
Jan 6, 2011I use VS2005 and I have just started working with the dictionary in particular the Dictionary.ContainsKey method. At the bottom of the page in the msdn library it says the following in the community content How to make sure that Contains functions properly.
View 3 RepliesVB6 Used Recordsetsor Arrays - .Net Framework In VB2010. Datasets, Dataviews. Tableadapters, Arrays. Enums ?
May 9, 2010In VB6 I load a recordset containg all of the records (6 fields per record)in a table into an XArray and then manipulate the records in the array and then write them back to the original table. The array issorted by the first field (1 to maybe 8000 or more) I need to find records in the array by an ID field and then move them (because of some external criteria that happens many times) from say number 400 to number 375. Then all of the other records between 375 and 399 were renumbered up 1 to fill the gaps left by the move.
The XArray worked well as it could find and also move to a next record easily to facilitate the revisions to each record quickly. Everything is done in VB6 in code and nothing visual needs to be shown to the user until say 2000 of these external changes are complete. What is the best, most efficient way to do this in the .Net framework in VB2010. Datasets, Dataviews. tableadapters, arrays. enums ?
Integer Arrays - User Enter In Big Integers Using - Two Parallel Arrays
Dec 10, 2009My assignment is to have a user enter in big integers using what i think is two parallel arrays. I got this far but now im stuck. I think i need to actually convert the text box input into an array but i do not know how to do that. I am all over the place in this project.
'Created/ Revised by: Jessica Falcetta
'Cap 204 Final Project: Big Integer Project
'Project Purpose: To calculate large integers through parallel arrays
[CODE]...
Passing Arrays Through Fortran Dll From App Turning To Single Element Arrays?
Feb 2, 2010I have a VB.net console app and I am opening a function in a dll written in fortran. I am passing 3 arrays through the function by reference. When they come back out the otherside they ahve all tunred to arrays of only one element And that element is 0.I read on the internet somewhere that when doing this kind of thing it is a good idea to only pass the first element of the array into the function.I tried changing my function declaration to accepting single elements rather than single dimensional arrays, and now the arrays are the same length before and after the function call, but they don't seem to be changing at all, so i'm not sure that this is working
View 1 RepliesVS 2008 Arrays Displaying States/searching Arrays?
Oct 30, 2010the statement Dim state(49) As String and maintain a list of certain states. The list of states should always be in alphabetical order and occupy consecutive elements of the array. The buttons in the program should give the user the following options: (a) Take the state specified by the user in a text box and insert it into its proper position in the array. If the state is already in the array, so report. (b) Take the state specified by the user in a text box and delete it from the array. If the state is not in the array, so report. (c) Display the states in the array. "
Private Sub states_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
state(0) = "Alabama"
[code]....
Comparing Arrays :: Possible Without Iterating The Arrays?
May 3, 2010I was wondering if anyone knows a built in method ( LINQ say or a LAMBDA expression or other way ) that you can compare2 arrays - collections that would be valid for an equivalent 3rd array - collection which is a combination of the 1st two.
As an example consider;
* * *
A L E
[code].....
Sort Three Arrays (the Other Two Arrays Are In Sync With The First)?
Oct 13, 2009How can I sort three arrays so they are sorted together (the other two arrays are in sync with the first)?unsorted unsorted unsortedarray1]CODE]....
View 9 RepliesCopying Every Value Of One Dictionary List To Another Dictionary List?
Feb 26, 2010How would I go about copying every value of one Dictionary list to another Dictionary list.
Here is what I've done:
VB.net
' Assign values to player pairs enumeration
Private Enum cmptrPairsList
empty = 0
[code]....
.net - Tab Key Functionality Using Enter Key?
Dec 6, 2011I have a form with nearly 20 Textbox and 5 Combobox and one control in dependent on the other,Now I want to write the code for the form in such a way that, Pressing Enter Key and Tab Key should have the same functionality.Like on pressing Tab Key the focus moves to next control should also be performed when I press the Enter Key.Similarly when I press the Enter Key, there is some process code written in key press event but this should also be performed when I press the Tab Key.
View 2 RepliesAdd TCP Functionality To Game?
May 25, 2009I'm a complete noob to VB.NET and have just made a tic-tac-to game and want to make it multiplayer over the the internet with direct conection via IP address (like CFS3 and the like).
The only thing is I have never used the this before and have searched loads on google and on this site, I just can't seem to find anything that I can understand so if anyone can help me out with where to start getting two machines talking, I have used the WINSOCK tool in VB6 before but didn't really understand it.
Cannot Get The Same Functionality To Work In .net?
Feb 6, 2012I have used sockets in VB6 before but cannot get the same functionality to work in VB.net. I have two machines running VB code and I want the applications to exchange information via a network connection. Using VB6 and socks it was easy but I just can't figure it out in VB.net.The data exchanged are string messages; there is no interaction between users it's just the applications exchanging info. The one machine will always be the server and is running a windows forms application which I'm writing in vb.net (it's actually a satellite antenna controller) the other machine is connected by an Ethernet connection (private network these are the only two devices) and is also running a windows forms application which I'm writing in VB.net (this is the remote controller for the satellite antenna controller) Can someone give me a pointer to some simple code that opens a connection and I can read and write between the two (both ways) using string messages. I' am assuming sockets are the right way to go? Everything I research keeps coming up with console applications
View 4 RepliesAdd 'remove Line' Functionality?
Jul 21, 2010In the following code, the items master is displayed the user can select as many as needed to add to the budget grid. Now the need is to remove a line that was added if so desired or if by mistake they added the wrong line.[code]..
View 1 RepliesC# - Additional Functionality Into Existing ASP.NET App?
Mar 16, 2012adding certain functionality to an existing ASP.NET application running on IIS 6.0 programmed in VB.NET.To aid in future development the client wants the additional functionality to be as future proof as possible. Ideally i have said that I would like to push for a solution using ASP.NET MVC3, running off IIs 7.5 and .NET 4, written in C#. This solution would act as a seemless addition to the current web-portal appearing probably just as an extra tabbed page.
But they will be completely seperate web-apps. Which is crucial.The main problems i can forsee are firstly sharing session particulars between the asp.net web app and the new application. Particularly with regard to maintaining session state (and not having IIS timing out on one of the apps). Also, conjoining the two "apps" appears problematic in my head, although this may be far simpler than i fear.
1) Embed the new fuctionality into the existing codebase (not a great option). This would mean losing any potential future upgrade-ability and also means not following better OO conventions by utilising the MVC framework.
2) Using an iFrame to link to the razor pages of a seperate MVC3 app (the one im favouring currently). Allows uses of all new technologies, however downside is sharing session data. Either through iFrame "attributes" through persisting a session state to a db? (slow?) or even some kind of web service interaction between the applications to push/pull user/session data?
C# - Browse Folders Functionality In Asp.net?
Jul 14, 2011I need my asp.net web app to enable users to select a folder from the file system and also from network, to copy the content files to another folder.
I am not going to use javascript activeX.
How To Add Mail Merge Functionality To App
Nov 24, 2009I need to add in mail merge functionality to my application. I don't have MS Office, but I do have MS Works (which does have mail merge functionality, in the word processor application). Can the MS Works Mail merge functionality be accessed from VB.NET code.
View 1 RepliesAdd Drag & Drop Saving Functionality?
Dec 1, 2010I have a treeview which has lots of files listed in it that it has downloaded so far in it & I want to make it faster/easier to save files in my program rather than clicking save 100 times, is there a way I can make it so they can physically drag the item out of the app to a desktop/folder & have it save there? I am willing to do whatever coding it takes but just need a basis for how it maybe done.
Like I have a lot of files listed under multiple treeview items too though so can I also make it so when I drag a certain item it will make a new directory with all the files under it included? For this all I need is the basis of where they dragged to & what item they dragged then I can make the code to actually put everything where it's meant to be but I don't know if this is possible. I don't want to keep using the slower method of clicking save on each individual file or even the whole tree of items, while pretty quick I just want to do drag+drop instead. I will keep both methods in the program but have drag+drop in it I think could be really useful, I don't need to drag files into the treeview though, just drag items from treeview out to make it save the file(s).
Add Wcf Functionality To An Existing Website Project?
Dec 27, 2011I have several asp.net website projects for various sites.Currently I want to add REST API's to these projects so I can start developing mobile apps (using HTML5/JavaScript/CSS3 and PhoneGap) that make use of these webservices.
Since WCF is far more powerful than regular asp.net webservices (among others with control over the service and authentication/authorization), I'd love to add these to my existing website project.
I did a Google search but cant find anywhere a step-by-step tutorial how this can be done. And also if there's any functionality I'd possibly loose when adding WCF functionality.I was also thinking of creating a new project specifically for WCF, but think I'd rather add it to an existing website project.
Adding In Some Bluetooth Functionality To Application?
Sep 9, 2009I am looking at adding in some bluetooth functionality to my vb.net application. I require it to couple with a specified mobile phone (that is found by the app) than to be able to retrieve contact information, phone calls (made and recevied) and images from the phone.
Can anyone tell me what my best approach will be for this? If there are any good third party solutions that will do it? If it is actually doable? Im thinking that it should because im basically mimic'ing what all the new fancy cars do with their bluetooth phone compatibility.
Asp.net - Start Page Functionality Does Not Work?
Apr 24, 2012I have an asp.net website, and i have set 1 page "search.aspx" as start page,and when i type url like this:" http://localhost/websitename/subfolder/Search.aspx"
it opens properly.but i want it to open when i type : " http://localhost/websitename/" like this only,
and i have set the "search.aspx" as start page.
Extend The Functionality Of The ToolTip Control ?
Nov 26, 2009I need to extend the functionality of the ToolTip control...Problem: I need to show some introductionary instructions to my users the first time they see a new form based feature in my app. Something along the lines of: '...Welcome to the blah, blah, blah feature. To do this, click that, mouse here, press that so on and so forth...'
Then I want a 'Don't show this again' check box somewhere near the bottom so the 'welcome screen' can be supressed. Currently I'm thinking of loading an app wide form (Public Dim frmMyToolTip as frmToolTip) and using it's .TopMost property to ensure that when I show it, it appears over my modal form (I can Hide/Show at will.) Also without a caption or border, my users can't move it.
As it will be displayed on top of a Modal form, I need a Background worker component to run a timer which will hide the form after a set period. I can store the state of the CheckBox to stop the form from showing next time if user does not require it.
Forms :: .NET - Combobox Searching Functionality?
Sep 29, 2009I have a combo box having multiple items and I want by typing the item should select automatically and combo box style should be "DropdownList" type.Let�s say I am typing "I" then country like "India", "Indonesia�,� Italy" should sort automatically. It is happening by default in VB.NET for one character.But I want If I type "India" this should select "India" instead of "a...." because my last character is a. in VB.Net it is selecting country like starts with "a�. But I want the full typing option should be present for the combo box.
View 1 RepliesHow Some Programmers Made Autocomplete Functionality
Dec 11, 2011i was wondering how some programmers made autocomplete functionality such that it also matches character within the string.Like for example, there are current records in the table of the database and these are:[code]When I start typing letter "E" in the textbox, i want that the autocomplete functionality suggest these records:
View 1 RepliesImplement A VIN Decoder Functionality In Website?
Jun 29, 2010I want to implement a VIN decoder functionality in my website, where user will input the VIN number to get Vehicle information like, YEAR, MAKE, MODEL, BODY STYLE and etc.
But I don't want to subscribe to a service.
Implement Search Functionality For Many Properties?
May 28, 2010I was asked to develop a simple application to handle car inventory. Each car has a LOT of properties (about 130, like license plate number, type, was it serviced, etc.). Some of these properties are represented by bit data type in a database some are varchar.
The problem is that I need to provide search functionality for any of all these properties and any combination of them. This results in a search form with about 130 controls. I certainly do not want to put the SQL query together manually by checking the state of each and every control. To propagate the problem further I need to be able to search for partial strings as well (i.e. if the user enters "porsc" into the car brand field then all Porsches should be found).
Incorporate Text To Speech Functionality?
Feb 3, 2010I was learning to incorporate Text to Speech functionality through this project
View 4 Replies