I'm working on converting a VB6 App with a MSFlexGrid to .NET. I need to load a DataGrid from a 3-field CSV file. Actually, several 3-field CSV files, but I want each file to be collapsable into a header bar with the name of the CSV file. Is this possible? Is there example code available? ...more >>

I want to export the datagrid to an excel file using htmltextwriter. My coding are as follows: Response.ContentType = "application/vnd.ms-excel" Response.AppendHeader("Content-Disposition", "attachment;filename=xxx.xls;") Response.Charset = "" Response.Buffer...more >>

Hi, I have files that I use in many projects. If I add file to project - .Net will copy the file to the project directory. If I change something at such file the changes will be only for current project. How can I (if I can ) to use the global files for many projects and if one of them update...more >>

After I create a new instance of Word, how do I get the CurDir of that instance of Word? Thanks in advance for any help. Ron Dahl ...more >>

Hi I am trying to change over from access to vb.net. If I want to increase a value I used the following in Access. How can I change it to vb.net. Example if I press the up arrow the value in the control must increase by one. Public Sub UpDownKey(KeyCode As Integer, Shift As Integer) Select...more >>

I am trying to serialize a class that implements ienumerable. it has a private arraylist that contains instances of a custom class. At this point the xml resembles: <PropertyInfos><anyType xsi:type="PropertyInfo"></anyType></PropertyInfos>" I would like the xml to resemble: <PropertyInfos>...more >>

Hi All, In VB6, if i create an ActiveX Control, I can add this control to my Toolbox and can just use it like any other Conrols say for example "TextBox" bu dragging and dropping on the from. If I want to do the similar kind of thing in VB.net how do i do it. I created a "Windows Control Libr...more >>

My automation object (COM) wants a safe array of DWORDS passed into it, but VB.NET tells me what I'm passing in is invalid. I assumed all basic arrays in .NET were implicitly System.Array's and that the marshaller would automatically convert it to the required SAFEARRAY. This appears not to be ...more >>

Is there a event / delegate I can create which will allow me to pop a messagebox asking me "Do you want to check the checkbox?" when a user tries to check a checkbox. If the user says Yes I want a check to be appeared on the checkbox if the user says no, the checkbox should not be checked. ...more >>

Hi, I want to make a conference booking webapplication that "talks" with our Microsoft Exchange server. Example: someone wants to book a conference room via an internetbrowser, he fills in a webform and on submition the system merges the time and date information into the calendar of the Micro...more >>

Yeah, if I open my app from sub main Module 1 Sub Main() Dim frm As New Form1 frm.Show() End Sub End Module my app quits. How do I keep it open?...more >>

i have created a report using expert wizard and don't know how to change the paper size into 8 1/2 X 13. anyone know how to work around w/ this problem?...more >>

Hi, I have the following code to open a Windows form: Dim oFrm As New frmEquipmentAdd() oFrm.Show() oFrm = Nothing I don't want the user to be able to open the form multiple times. Can anyone tell me what I can add to this code to check if the form is already open, and if it is, not to...more >>

hi, i'm using API functional calls from VB.net to find a window and send keystrokes to controls on the window, in this case a <next> button. what functions will help me send a keystore to that button if I have a handle to the window? I can use winfo to class info, text, ect. for that button, but I n...more >>

First a little background: The school were I work needed the ability to test real-time reporting students by playing specific audio files over the computer and I've written an app that populates a checklistbox from a datatable with the computer names. One of the instructors has asked me if it...more >>

Hello. I'm writing My graduation Theses and I'm makeing program similar as Office 2003, And in this program I must make Daily Calendar/ Scheule/ with tasks in different hours. Can anybody help me, How can I do it? Or could on Internet find any Source code? Or least manual How Can I do It. Tha...more >>

How much effort would it take to convert VBA code into VB.Net code? I realize some of the code that I have in my Access VBA will no longer be needed (such as my custom validation code to address a mouse user friendliness issue in Access, which VB6 and beyond has resolved with the CausesValidati...more >>

Can you execute managed code from visual basic script? Could I instantiate a .net class from vbs? Yes, the client has the framework loaded. ...more >>

Hi there, im having problems connecting to a MYSQL database and think there must be something up with my connection string. I wondered if anyone could help me out. Im using an ODBC connection. It currently looks something like this. DBStr = "DRIVER={MySQL ODBC 3.51 Driver};SERVER=localhost;...more >>

Trouble up mill - My owner draw list box allows me to multiple-select. Once the items have been selected, clicking one of them in order to drag and drop all those selected, selects the item I click on the "mouse down" event (oddly enough), so only the first item shows as being selected for th...more >>

I have a table that rigth column have a link items menu. Can I set the left column of that table as target of that links? How? Or have I construct new pages for each item? -- Programming ASP.NET with VB.NET Thank's (if you try to help me) Hope this help you (if I try to help you) ruca ...more >>

When you are using intelli sense and looking at the member list of a class, sometimes ith as a description there also. How do you add a description to your members of classes like that? ...more >>

I can display multiple pages in a PrintPreviewDialog with no problem but clicking the Print button on the dialog only prints the first page. Anyone else come across this problem This is on Win2K, not Win98. I've seen that there's a bug with printing in Win98. Anyone has some info on that?...more >>

Hi, I copied a exsisting window form and code to a new form, and some controls are not visible on the new form. But I can see from the code that the events associated with the controls are still there. I even could not add the new controls with the same name, which means that the control...more >>

Hi. Can anyone point me to a VB.NET article on how to create EventLog Message files for Custom Event ID's/Categories. Thanks Paul ...more >>

I am having problems with MS getting rid of MS J++... I have a large application that uses MS J++ code as a back-end data retrieval mechanism into a VB application. I am not ready to port my VB app to .Net, but appearently I have to port my MS J++ code to J#.Net because of the discontinued supp...more >>

Hello, All! When the VB.NET projects grows up to the several thousand lines of code, every 5 minutes i catch the av from devenv.exe. Unhandled exception at 0x52a82a9d (msvb7.dll) in devenv.exe: 0xC0000005: Access violation writing location 0x00000000. Here is disassemply [code] 52A82A87 ...more >>

Hi' (using vb.net) I need to interact with Outlook. In the "New Message" form, I want to add a textbox where I can type in a customer name, have some vb.net code search for the Customer ID, save the message in my sql database and then send it. Is this possible to "interact"/addon to ...more >>

Hi All, Our client did not decide the name for the application until the development was over. Now we need to deploy application using different name for the application and the virtual directory on IIS. After I changed the project name and installed it in different virtual directory .NET d...more >>

Hi I have a silly question where would be the best place to put the Microsoft.ApplicationBlocks.Data dll before referencing it I thought about putting it my application directory. Does it matter where, is there a certain folder I should place it inside of my application directory Thanks Chri...more >>

I have submited previous posts about this but still have not come toa conclustion. I have a crystal report file which is obviously not a text file, it's a binary file. I want to open the file and store every single byte of it's data in to a string variable. In my attempts using a BinaryReader ob...more >>

From the answer below I am now not getting an error! Great! But it is now printing the items one on top of each other. Any ideas? Thanks Hi I'm trying to print the items in a listbox with the code below but when I click on print I get "An unhandled exception of type 'System.ArgumentOutO...more >>

We have a standard product that we deploy at multiple different client sites. The problem is that we're getting to the point where some of the clients want some "custom" code for specific business functionality. I would like to be able to (and I have done this with clients but with custom UI ....more >>

I want to get the backup set name from a database backup file. How can I do? Thanks, Bruce ...more >>

Let's say you have a string of "0101010" Each position represents a day of the week? ArrDS = strDS.ToCharArray() If ArrDS(0) = "1" Then strDSDays = strDSDays & "Sun, " If ArrDS(1) = "1" Then strDSDays = strDSDays & "Mon, " If ArrDS(2) = "1" Then strDSDays = strDSDays & "Tues, "...more >>

Hello, I wan't to address ComponentTray Objects such as Timers, NotifyIcons, = ContextMenus, ..., in short: objects that don't belong to the Forms' = ControlCollection. The trick is I want to do this not knowing (in design-time) whether they = will exist on "a" form, even worse, not knowing...more >>

I am trying to find documentation on how to create and implement custom cursors in VB.Net. I need to know the very basics, formats, file types, usage, limitations, etc. I have purchased a cursor drawing program but I'm still in the dark about the whole subject. A book new or old would be grea...more >>

I am writing an application that will allow our helpdesk to change and set the Out Of Office message for other users. The problem that I have is the helpdesk will not have access to any of the mailboxes, and we don't want to give it to them. Is there a way that I could create a MAPI.Session for ...more >>

Is there a way to set a Form color to the color, or default color, of the desktop? TIA Brad ...more >>

Hi During the execution of my application, I want to pop up a message window to users in an asynchrounous way Do somebody have a sample code Thanks in advance ...more >>

Hello, I have a compiled assembly (.dll) that I'd like to protect so that someone can't copy the dll and then reference/use it in their own applications. Is there a way to restrict which assemblies can use this assembly of mine? I was wondering how exactly this would be accomplished? If...more >>

How can I select a number of rows randomly in a table in Microsoft Access or SQL Server? I tried with many ways but I can't solve this problem Please help me. Thank you very much ...more >>