Hi I am trying to create an object that I can use to bind to a grid in my Win app. All of the examples that I have found on custom data sources have the properties (e.g. FirstNamer, LastName) of the objects making up the columns in a grid. In my situation however there can be any number of ...more >>

Hello all, I have a string array with duplicate elements. I need to create a new string array containing only the unique elements. Is there an easy way to do this? I have tried looping through each element but I am having issues using redim to adjust the new array. Any help or example code wo...more >>

I have a really stupid question, and cannot find the answer elsewhere. I have a mdi that uses a class. One (main) form has two textboxes which takes input, and the input is calculated by the class and then returned to some labels on the same form. When I open the form from a main menu control it...more >>

I want to embed the excel worksheet into my application and use it like datagrid, if somebody can tell a solution, whether visual studio 2005 can do it ? thanks. ...more >>

I saw a reply in this group about localization that pointed to a Microsoft Walk-through. I decided to actually go through the walkthrough and had a problem. The site is http://msdn2.microsoft.com/library/y99d1cd3(en-US,VS.80).aspx. The problem is in the code: ' Declare a Resource Manager i...more >>

Hello All, I have two objects one is Product and the otherone is the Category. Category object is like Food,books,Medicine and etc which has different tax rates . My product object has properties like name ,price , CategoryID. I need to create a collection of my products and in this collecti...more >>

All I need to write a paper in my VB .NET class about the importance of the connectivity of VB to a database. Would you know of any websites to visit that would discuss this in detail? Thanks in advance, Tim ...more >>

I need more information to read about threading in Visual Basic. Hopefully something linear w/o too many links to get lost in. I've been to http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconThreading.asp but it is too confusing. I can't find any references...more >>

Does anyone know of any good tree list view controls out there that are feature complete? We already looked at the one on code project that is free but don't really like it. any commercial products out there that are good? thanks! ...more >>

Hello, I am a newbi to this fourm and to vb.net.... moving from vb classic. Testing with a database connection, got my data in the dataview control. But now, I want to be able to double click a row and return a value from a cell. Something like what use to be the textmatrix in MSHFlex gr...more >>

Normally, I surround my Dataset/fill or DBreader execut with a try/Catch. Something like: ****************************************************** Dim dbReader As SqlDataReader Dim ConnectionString as String =System.Configuration.ConfigurationSettings.AppSettings("MM_CONNECTION_STRING_Co...more >>

Hi all, I've created a custom button which I can stick into my toolbox. This all works well and I see my button in the designer. This button uses customised graphics and I want to stick it in the dll as an embedded resource. In the project tree I added a folder in which I stick the bitmap...more >>

Newbie warning: I'm still learning about SOAP, but my boss is convinced that the only way a VB.Net web service can properly interpret (and eventually send) SOAP with Attachments from (to) another product is with a 3rd party product--he wants to buy this product: http://www.alotsoft.com/alot...more >>

I have two projects in one solution. One is called Frontier and holds all my base user controls, classes, etc. that are used over multiple applications. The second is my application project (OCFU) which holds the forms and code that the users run. I need to instantiate a new form only given t...more >>

Has any come across a situation where, in a Form-derived .. er .. Form, the Event Arguments passed to OnClosing /already/ have their Cancel argument set to True? Protected Overrides Sub OnClosing( _ ByVal e As System.ComponentModel.CancelEventArgs _ ) Debug.WriteLine("e.Cancel=(" & e.C...more >>

Hi, I have a simple thing I need to do but just doesn't work in VB.NET. I have a string with HTML code and I want to load it into a HTMLDocument object or something similiar to it so I can access the the tags and tags value (<td> <table>, etc) by code. But it just doesn't work in VB.NET...more >>

Hi, all! Using VS.Net 2k3... Just did a reinstall of a workstation, and now I'm getting an odd error when trying to run a Crystal Report from my app (vb.net/asp.net): "Unable to find the report in the manifest resources. Please build the project, and try again." Rebuild didn't work. D...more >>

hello, what i'm looking to do is store the path of the app on a the server for reuse in the site. my thoughts so far are... -make a key in the web.config file -retrieve the value in globals.asax in application startup -store it in a variable that can be reference from all pages -use that var...more >>

I have recently built a .net windows service. This is a very simple service that fires off a web service at a scheduled time. I then created a setup using the following microsoft guidelines. http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbwlkwalkthroughcreatingwin...more >>

Couple of questions about upgrading an existing installation of VB2003 (Pro) to 2005 (Pro): 1. Not having dabbled in VB2005 yet, I'd feel more comfortable also keeping a working VB2003 environment available to me for program maintenance etc. Is there likely to be any problem in doing this? ...more >>

All, I have a treeview on my form that has a lot of nodes on it. I would like to populate this treeview on another thread so my form will still paint while it is being populated. I have looked at the Backgroundworker object (and dragged one onto my form) and several other newsgroup threads...more >>

Hi, I like to know what do you specify in the function parameter (in the function implementation) if you want the string that you pass in with the function call to be changed while its in the function and then you get it back changed as well? Is it ByRef or just notthing function prc0...more >>

Does anyone know how to add a summary description for a class module to the object browser? I can't find anything on it anywhere! Thanks, Tom...more >>

I am using a data-bound combobox with dropdownstyle set to dropdownlist. Teh combobox is bound to a bindingsource which is in turn bound to a table in my database. The table has only 4 rows and I am using it to display geographical regions - Northeast, Southeast, West, and Central. In the bindin...more >>

All, I think I may have uncovered a bug in the IsNumeric function, or at least a misunderstanding on functionality. I am writing a Schedule Of Classes Application for our campus and have a section that lists the Times, Buildings and rooms for courses. In this section I have a function cal...more >>

VB.net migrated a large, multi-moduled VB6 application to a networked drive. Original workstation modified it and got it running under VB.Net. User was migrated to a superior workstation with same credentials, id, etc. as before. When VB.net project debugs, security exception in "unknown mo...more >>

I want to create a form and display multiple symbols on it.The problem is how do I create and store the symbols so that I can display one single symbol multiple number of times on the form without creating the graphic again and again. ...more >>

hey all, what's the difference between starting a new thread and starting a new Process? thanks, rodchar...more >>

VB2005 a generic collection that inherits from BindingList, with the code to support sorting added (ApplySortCore, SpportsSortingCore etc.) however when this collection is populated and bound to a DataGridView ApplySortCore is not called when a grid header is clicked. how do i ensure ...more >>

Hi all, The beginner strikes back again (sorry) this is the class I use for Nodes into a treeview, I need to bind each field to a database..... How Can I do that ? What I tried so far is to run a Dataview for operations, then set the DataView rowfilter to "ser_id = " & ctype(nodes, service...more >>

Hi all, I am new to VS 2005 I have a windows application in VS2005 and I clicked Publish and it gave me several options one of them is where will this application look for updates. I have specified a server path on a file server where I would like to publish new version when it becomes availa...more >>

Hello, wanting to have a multi-lingual windows form application. Does anyone know, how to do, or where articles on that topic could be found. Thanks...more >>

In the old days (VB3 era), there was a thing called the Data Control, and you could use it to databind controls on forms to datasources, and so (as the marketing speak goes), 'create database applications without writing a single line of code!!!'. Personally, and I know I wasn't alone in this, I...more >>

Hello, Wanting to create a thumbnail of an image, i'm using the following piece of code : Public Sub Reduction(ByVal Source As String, ByVal Destination As String, ByVal TailleX As String, ByVal TailleY As String, ByVal Resolution As Integer, ByVal Fond As Boolean, ByVal ConserverRatio A...more >>

i have a generic class Public Class ACollection(Of T) Inherits BindingList(Of T) where BaseDataClass is declared mustinherit i then have some code that loadss the collection With oSQLDR ' a datareader If .HasRows Then Do While .Read = True ...more >>

Hi all Anyone any snippets to post an xmlfile to a url ? Thanks Andy ...more >>

I want to know about the compatibility issues of "MySQL" with VB.NET 2003? Does VB.NET 2003 works fine with MySQL or not. Secondly, what is the maximum database size of MS Access after which the performance degrades. I heard that MS Access is not recommended for very large databases....more >>

I am using following code to Add New Record in a Table (Temp in this case). I want to save new record with this method i.e., non-SQL. It is not commiting changes. The "Update" statement has errors. 'Initialize Data Adapter and Data Table Objects TempDA.Fill(TempDS, "Temp")...more >>

I have a Visual Studio Solution with 4 four projects. 1) class library 2) console app 3) windows service 4) setup project The console app en and the windows service both use the dll from the class library. I added two folders to the Application path in the Setup project, Commandline ...more >>

(ellipses in place of code sections which do not deviate from defaults) Private Sub Form_Main_Load(...) Handles MyBase.Load For A = 0 To 16 For B = 0 To 14 PictureBox_MapEditor_Map.CreateGraphics.DrawImage (System.Drawing.Image.FromFile("C:\The RPG Proj...more >>

Hi, I have a datagrid and create class that inherits from datagridtextboxcolumn, for first column in my datagrid. Last thing that I am trying to achieve is to get font in that first column to be bold. Can somebody give me a hint, how to do that. Regards Schapopa *** Sent via Devel...more >>

Hi all, I am writing a windows application using vb.net on the 1.1 framework. We have in the application, some strongly typed collections that have been written as classes that do not inherit from collection base, but use an internal collection, to hold the objects and then implement IEnum...more >>

Hi, I have a database table field to store the form name, I want to create the particular windows form by using the value that read from that DB field. For examples, the table field has a value "ThisForm", then I want to create the form with class name "ThisForm" (Suppose I have already def...more >>

hi. ive been searching for help with storing images in access. after much hunting i found this bit of code that Cor Ligthert put up on another forum. but when i try to update to the dataset, i get this error: system.argument. exception in system.data.dll, cannot change data type of a column o...more >>

Hi, I am generating a text file through vb.net and I want to give facility to my user to take DOS base (fast) printiout of it , or in other words, I want to run DOS command from my application. i.e. TYPE C:\TEST.TXT >PRN , How can I ? Regards, Hardik Shah ...more >>

Hi, In my Web Application I have windows authenthication logon. Usually login dialog don't appear, but in one of the computers this dialog appears when it's not supposed. If I logon the Web App works fine, but every time I try to run on same computer, dialog appears. I think the problem ma...more >>

Howdy Folks, Below is an example of a string I've created in memory. I would like to load it directly into a dataset that can then be displayed in a DataGrid or . . . whatever. Can I load the string into the dataset without first saving it to a file? This doesn't work but, you probably kn...more >>

How can i add javascript code to my server control object ? I want to add a javascript code when a user OnClick it .. Is there any sample code or reference web site or knowledge to solve it ? <asp:Button id="Button1" style="Z-INDEX: 101; LEFT: 6px; POSITION: absolute; TOP: 6px" runat="...more >>

I had install .netframe work 2.0 in Window XP, however, I can see the progress bar is movning.but wait over 1 hrs, it still cannot completed the process. Do I need to remove the old verion first ?/ please help ! Thanks . ...more >>