How can I create a SQL server database in my VB.NET program? I've MSSQLServer installed and running. If a database is created, where is it stored? I used the following code, didn't get any errors, but cannot find a new = file: Dim con As SqlConnection =3D New = SqlConnection("server=3D(l...more >>

What is the easiest way to display in a table, a delimited text data saved in a text file? I need an idea so that I can research it! Amjad...more >>

How to enumerate windows domains in LAN. How to do it? ...more >>

Basically I want to create a data access dll that will be referenced and used in multiple projects. When I go to create a new class it asks what type of class should I use? -- Daniel ...more >>

I have set the datasource of the datagrid to a datatable. How do I clear the datagrid contents before refill the datagrid everytime ? ...more >>

I would like to get a value in a cell for the currently selected item in a DataGrid. The catch is I do not want to use an index number to access the cell. I want to use the DataField property of the column for the cell I want to access for the current row. I don't want: objDataGrid.Selec...more >>

I have these functions in my application. FileInfo.CopyTo DirectoryInfo.Create File.Copy Directory.Create Do these methods generate a exception when the DISK is full were they are trying to create a directory or copy a file? If so what is the exception? VJ ...more >>

Hi, I have a little test project. I spin up a thread, lets it sleep for a second and then the thread makes a button visible ... or at least should make it visible, which it doesn't do. --------------------------------------------------------------------------- Here's my thread class: ...more >>

any samples?? thanks ...more >>

ANYONE HAVE ANY IDEA WHAT IS CAUSING THESE ERRORS. HAPPENS ONLY IF I "START' NOT IF I "START WITHOUT DEBUG" I HAVE NO IDEA WHERE TO LOOK FOR THE BUG An unhandled exception of type 'System.InvalidOperationException' occurred in system.drawing.dll Additional information: The object is currently...more >>

Hello all. Please please help me come up with a solution to this problem. Here it goes- --- code snipit--- 'TabControl1 ' Me.TabControl1.Anchor = System.Windows.Forms.AnchorStyles.Left Me.TabControl1.Controls.AddRange(New System.Windows.Forms.Contro...more >>

I have a app that allows users to select a file and upload the file to a server. When the user hits the Select File button they get a permission error, and not allowing them to search for a file with the OpenFile Dialog box. I can search for a file on my development machine. What do i need to ...more >>

In the VB.NET Page_Load() function , how can I know which control causes the page postback? ...more >>

I have a descripion of a card that includes name and denomination preceded by a $ sign like this: Better card $5 Better card $10 Better card $02 and I need to be able to get the numbers after de $ sign, any Ideas please. Thank you very much....more >>

I have a form with text boxes bind with dataset of a table like Customer with a CustomerID field. I bind the dataset with binding manager and I want to add new record. I called the AddNew() of the binding manager to add a new record, however, I need to know the MemberID of the last record and ad...more >>

Is there an existing control for Visual Basic that allows me to display text in that control, but also lets me append text to it. The application I have in mind for this control is something like a status page that updates with new information without wiping out the previous info. Thank you....more >>

Hi, We are using MSCHRT20.OCX in our software it is working fine with in our application if we load the chart in a view. But if i try to load a html file in a webbrowser control from within the appliaction it is not loading the chart. We have registered the MSCHRT20.OCX. Is there any pro...more >>

I have 2 datasets, each with a DataTable. Each table has the same primary key, and columns. I am trying to copy rows from one dataset to another, based on an event from my application. It all works fine when the row is not present in the destination DataTable. Now when the row is present in th...more >>

How can I put a jpg from the web url http://website.com/test.jpg into a blob field from a dataset as a bmp? Is this possible? ...more >>

Hi there, I was happy for testing my first vb.net application... But I am disappointed to see how slow it is... So before I die silly, I would like to know if I had to include in all my forms the Import Section when I use datagrid, databases, etc... Or do I miss something.. because it's ver...more >>

I need to measure how long a function take to execute... or a sequence of code within -- Ceers, Crirus ------------------------------ If work were a good thing, the boss would take it all from you ------------------------------ ...more >>

\({0,1}(?<areacode>[0-9]{3})\){0,1}( /-){0,1}(?<prefix>[0-9]{3})( /-){0,1}(?<suffix>[0-9]{4}).* for matching phone numbers and replacing them with (${areacode}) ${prefix}-${suffix} it works awesome! if i type '8005551212' i get '(800) 555-1212' the problem ...more >>

Hello, I want to be able to search for a keyword within a string to see if exists how can I acomplish this? Thanks in advance. string = "this is a string and I want to see if I can test for a key word like er324" I want to see if er324 is within the string. John ...more >>

Hi! I have been looking for a way to send a fax using Visual Basic .NET through the built in Fax of Windows XP. I was able to get it to work in VB6, but I want to rewrite the application in VB.NET. Anyone got any ideas? Thanks! --Scott ...more >>

Greetings; Newbie here, please forgive my ignorance of the vb.net threading model. I am developing a windows service which is driven by a variable number of timers. All timers use the same event handler, and each invocation sends a command to another service. What are the threading c...more >>

Hello, I am using VB.NET to call an unmanaged DLL which contains some functions. When I call the DLL from a windows application, it all works fine. When I place the same code in a webform application, my call to the first initialization routine simply hangs (i.e. in debugger it shows the code...more >>

Hi everybody, I plan to have a LOT of SQL string in my app. So I need your advice for this. Is it a good idea to store all my SQL string in the app.config file? For a maintenance point of vue it would be easy to access and change any SQL squery without having to open/edit any forms. ...more >>

Hello All - Is there a way to check if a file path string is valid? I.e. is there a function that takes some string, say 'c:\somedir\subdir' and returns TRUE if it is valid or FALSE if no such path exists? Thanks! Brian...more >>

Is there any way to make a profiler report in VB NET? -- Ceers, Crirus ------------------------------ If work were a good thing, the boss would take it all from you ------------------------------ ...more >>

Hi, I want a rich textbox that dynamically highlights particular words immediately after they are typed. Just looking for some general tips... I tried putting some code in a sub that handles the textchanged event for that textbox. The issue here is that the focus jumps to the words to be h...more >>

Ok. I have a project that figures out payments of an item. I just can't find the code to only get rid of the negative balance in my list box if there is a negative balance. Help Please....more >>

Hi Can anyone suggest me a very good book to have very good knowledge about "Common Language Runtime" Thanks Siva ...more >>

how can you get the name of a menuitem programatically and return is as a string, for example if Friend WithEvents mnuExit As System.Windows.Forms.MenuItem is defined how can you go get the mnuExit TIA Ed ...more >>

Forgive me if this is in the wrong place, I couldn't find a suitable .net services newsgroup to post in. I read in services that they are designed to have no UI, but I'd like to create one that can be run from the command line, and in doing so would act as a console application for debugging p...more >>

My VB.Net app reads an Excel file, processes it one row at a time, and when processing is complete writes the row to a database. The typical file will have several thousand rows and may take a couple minutes to process. I would like to display a running count of the number of rows processed. It i...more >>

Hi, I'm working on a VB project which involves using C library functions which take struct pointers as args, and I keep running into this error when trying to pass either an IntPtr or a Structure ByRef to the functions. An unhandled exception of type 'System.Runtime.InteropServices.Marsha...more >>

Hello, Is it possible to get only the last row of a table=20 (MSACESS) without have to load the complete table? Thank=B4s in advance. L. Mendes...more >>

How can I make my toolbars float any snippets of code or just some explanation on the subject would be helpful Thanks in advance Regards Steve...more >>

I have an application that parses a file and creates a new one based on the contents of the original file. What do I need to do so that a user could drag the source file from Windows Explorer and drop it onto a desktop shortcut icon of my .exe and have it execute ? Thanks in advance.. Pe...more >>

I am new to VB.net. I have a solution that contains 2 projects, both converted from VB 6. I have a class in one project that I would like to use in the second project. How do I do this? Thanks a lot. Susan...more >>

Does anyone know of an easy way to get a page to automatically refresh after a period of time (e.g, 5 minutes)? I have something already set up (with a hidden text box, etc.), but was just curious if there was an easier way. Thanks, Toggles...more >>

I designed a Crystal Report .rpt from within Microsoft Development Environment 2003 Version 7.1.3088 (VB .NET IDE). I selected database fields from the left side Field Explorer onto the Details (Section3) of the .rpt. Also, I added a new web form myWebform.aspx and a web object CystalRep...more >>

Hi, How do I create/access an INI file in VB .NET? I appreciate any help you can give me... Thanks!...more >>

How to visualize the space rimanate on one disk drive in VB.NET?...more >>

Hi all, I'm reposting this message as I'm experiencing this problem more and more frequently : I really hope someone out there can help me as I've been tearing my hair out on this one for a good while and I'm getting really frustrated now! My problem is this - my custom controls periodic...more >>

I'm trying to use SendKeys to send a 'close' key sequence to an application popup. Unfortunately, I'm running into the classic timing issues with SendKeys at it sometimes hits the wrong app (even though I'm using AppActivate). Is there a more intelligent way of sending keystrokes to a spe...more >>

I have a vb6 app that uses an array of variants, like a database table that I would like to convert to vb.net. Does it make sense to use an array of objects in vb.net? Any other suggestions? Thanks, WayneM...more >>

I want to compare strings of numbers that have a circular boundary condition. This means that the string is arranged in a loop without an end-of-string. The comparaison of two strings now becomes a different operation than with regular strings because the circular string can be "rotated", lik...more >>

Can any one help me with these three problems? 1) How to I open and/or run a Microsoft PowerPoint presentation? 2) How do I copy and past a file from one location to another? 3) I am using the Drive-list-box component from Visual basic 6. If a disk is not present when a drive is click...more >>

i need to read the vb.net executable file from the pc that without the vb.net software.... how can i do that ? is that using the runtime ? please reply me as soon as possible.. 10s...more >>

how to read the vb.net programme from the pc that without the vb.net program ?... ...more >>