.net - Tab Key Functionality Using Enter Key?
Dec 6, 2011
I 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.
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Jul 8, 2010
What did I do wrong below? When I pass the enter key but for somehow the enter key event doesn't get triggered.
CODE:
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Jun 8, 2012
I have a function that allows a user to enter numeric vallues and also a period for the decimal points but I also want to allow for users to enter the minus sign to allow users to enter negative values . How would I go about it.
Public Function SingleDecimal(ByVal sender As System.Object, ByVal eChar As Char) As Boolean
Dim chkstr As String = "0123456789."
If chkstr.IndexOf(eChar) > -1 OrElse eChar = vbBack Then
If eChar = "." Then
[Code]...
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Aug 29, 2010
how to enter a data that i enter in textbox to a datagridview... for example i enter in the textbox is round and when i click add it will go to database... im using ms access database
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Aug 23, 2009
I am trying to enter the following on an excel spread sheet from vb.net:applic.activesheet.cells(1,1)="=server|topic!" & Item & My.computer.keyboard.sendkeys("{CNTRL} {SHIFT}{ENTER} ")The error says: "Expression does not produce a value"I tried even {ENTER} and still the same error.
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May 19, 2010
I have a web browser project and the address bar doubles as a search bar (like google chrome). I need to detect if a user Ctrl/Alt + Clicks/Presses enter so it can specifically search or navigate. Any ideas?
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Nov 15, 2011
I have to create a form that I enter the price of gas each month over a year. I enter the price in a text box and click the enter button to send the price to a list box immediatley and use an array. I have the following code but I don't think it's working with the array correctly as it will let me enter the information but doesn't stop letting me enter after the 12 prices. I am really having a hard time trying to figure out how to set up this input for an array and make it all work.
[Code]...
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May 25, 2009
I'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.
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Feb 6, 2012
I 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
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Jul 21, 2010
In 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]..
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Mar 3, 2010
I 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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Mar 16, 2012
adding 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?
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Jul 14, 2011
I 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.
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Nov 24, 2009
I 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.
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Dec 1, 2010
I 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).
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Dec 27, 2011
I 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.
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Sep 9, 2009
I 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.
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Apr 24, 2012
I 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.
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Nov 26, 2009
I 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.
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Sep 29, 2009
I 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.
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Dec 11, 2011
i 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:
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Jun 29, 2010
I 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.
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May 28, 2010
I 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).
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Feb 3, 2010
I was learning to incorporate Text to Speech functionality through this project
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Aug 31, 2011
I am now using vb.net 3 months, it appears to me that basically there are 2 objects in vb.net objects and lists of objects. The rest is inherited or extended modes of these two concepts. Why then use so completely different syntax and names for two objects which appears the same : listview and datagridview. Simple version of the datagridview without the editing functionality being the listview would be much more simpler.
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Nov 29, 2011
I'm looking to reverse the functionality of a VScrollBar in VB.NET - I would like the number to increase when the up button is pressed and decrease when the down button is pressed.I'm surprised that this issue isn't more commonly represented online, but I could find nothing online about making a VScrollBar work the way I want it to in VB.NET. Apparently in VB 6.0, you were able to flip the Min and Max values and this achieved what I desire to do, but they removed that feature in VB.NET
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Jul 17, 2009
i have designed an app that colors the screen, and makes it look like you are wearing different color glasses.
i would also like to add the functionality of instead of coloring the whole screen, ONLY coloring the background of a document exactly like this program does:
[URL]
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Sep 25, 2011
How i can select a single cell from selected row in datagridView and after selecting that i want to put simple search functionality(like we have in our windows folders-typing any characters and search should work)
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May 13, 2009
Is there a way to reset to the original vb.net snippets that came along with visual studio 2008? I recently installed a purchased third party lib, that managed to break almost all the default snippets. I can see that the snippets do physically exist in C:Program FilesMicrosoft Visual Studio 9.0VBSnippets1033 but only the following sections are loaded to vs 2008:
[Code]...
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Jul 18, 2011
I want to put a print functionality on my system. Ive found tools on vs 2010 that are related in printing functionality, can you help me modify those?
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