Given a DateTime variable, what's the best way to check "minor" status (i.e., less than age 18 years) based on today's date? I came up with this: Dim minor As Boolean = true 'dtDOB is a DateTime variable set to Date of Birth If (DateTime.Now.Subtract(dteDOB.Value.AddYears(18)).TotalDays >= 0...more >>

Here is my dilemma. I have a subroutine runs every 100mS. At the first, I found that the system hangs after a few hours when I run this program. I checked the memory usage under XP Task Manager. I found that memory used by my program keep growing in a rate of 12KB per second. Here is what I...more >>

Hi, I'm trying to update a DBF file which I'm using VB.NET ODBC adapters, commands and connections. I fill the dataset and databind the columns to textboxes on my form. I can successfully view, delete and update the records. The problem is when I try to add a new record. Because I actual...more >>

How can I add autonumber column in ASP.NET datagrid? Example: 1 | data 2 | data 3 | data Thanks for help! Simon ...more >>

I am brand new to visual studio, going through a teach yourself book... After creating a few simple projects, suddenly the Solution Explorer was gone, same with Properties. I found them under View but now can't make them move back to the right of the Visual Studio window - they either sudden...more >>

Despite my bad cold and headache I should be able to correctly code what I am trying to code below. Or should at least be able to determine why such simple code does not work. I do have very similar but more complicated code working in another project (thanks, I might add, to several people he...more >>

how do you set property using Activator.CreateInstance? Dim ty As Type = Type.GetTypeFromProgID("Project1.Class1") Dim o As Object = System.Activator.CreateInstance(ty) Dim pi As PropertyInfo = ty.GetProperty("Test") Dim params() As Object = {1S} pi.SetValue(o, "Test", params) ...more >>

I recently received a Javascript error, "'WebForm_PostBackOptions' is undefined" from an application I'm working on. It occurs during the PostBack from a DropDownList. I've created a project which is only a DropDownList, with some Data and AutoPostBack = True, and it caused the error. I...more >>

what do I need to use in vb.net to create an object as I do in vb6: Dim o as Object Set o = CreateObject("Class1.Test") Thanks ...more >>

Whenever I change an item in my combobox, it doesn't resort the items. If I add an item, then it sorts ok. Is this normal? -- Dennis in Houston...more >>

Hi everyone, I could use some help in converting a simple Liberty BASIC program toa VB.NET 2003 SE program. I have built the simple form with a label, text box and button, Under the button I have inserted the old LIberty BASIC code. Now my problem is how to go about making the mod to the ...more >>

How do I reference/update a textbox on another form (ie. the current forms owner). SB...more >>

When I create my own class, to use the functions of that class I have to create an object of that class and then I can access the functions of that class, for example: dim obj1 as myclass obj1 = new myclass obj1.myfunction("parameter") However, when I use .net class e.g. strings I do ...more >>

Hi all, In a module I have the following structure.. Public Structure ButtonStatusFlags Public butOK As Boolean Public butNew As Boolean Public butView As Boolean End Structure And in a usercontrol at class-level I want to declare one of these as protected.. Protected ButtonSta...more >>

Is it possible to convert a VB exe into source code? If so, which program would do that, and are there any free of shareware ones. tia....more >>

is it possible to change file timestamp on ftp server using ftp command? Thanks ...more >>

Hey all! By chance does anyone have a really good example of an ownerdrawn Listbox. I am trying to make a UI that is similar to the outlook look and feel demo done in Winforms 2.0 in 1.1. Essentially, i want a listbox that allows for the insertion of an icon and supports multiline text....more >>

Could someone please tell me where am I supposed to put this code. Actually my project has two forms. I created a new module and have put the following code sent by someone. All the function declaration statments (first lines) e.g. Public Function ConvertCurrencyToEnglish(ByVal MyNumber As...more >>

Ok, we all know a stand alone .NET EXE isn't possible, unless you want to shell out $4k (see previous post with similar subject). Frankly, I don't. Given that, what are the options for VB programmers? 1. There's VB6. One acronym and one word: DLL Hell (tip of the hat to Microsoft for this...more >>

Is there any difference about namespace between VB.NET and C#. All functions in c# must include in a namespace. Why I can't find namespace in the files .vb . How VB.NET implement the concept of namespace ...more >>

Hi, I'm struggling to create an app that contains a window showing thumbnails of all. jpg files within a specified directory. I've been a couple of examples of how to iterate through a directory and extract thumbnails from each jpg file but nothing about what should happen to the extracted...more >>

Hi All, Can Windows message queues be used to communicate between 2 applications running on the same computer? I am not sure whether this is possible, if it is possible how can this be compared to MSMQ? When is Windows Message queues used and when is MSMQ used? Thanks kd ...more >>

I am using following connection string to get data from a .csv file using vb.net strConnstr = "Driver={Microsoft Text Driver (*.txt; *.csv)};Dbq=" + System.IO.Path.GetDirectoryName(sFileName) + ";" It gives me following error on this line da.Fill(DS, "Test") Following is the erro...more >>

Hi All, I am working on Windows XP. I guess, Microsoft Message Queuing is not installed by default. Can anybody give me a link from where I can download the same? Thanks. kd...more >>

I did the following: 1, Created a VB 6 ActiveX DLL. 2. Created a separate VB 6 project that used a function in the DLL. 3. Ran the DLL project, then added a reference to the VB 6 project that called a function in the DLL. 4. Stopped the DLL project. 5.. Used VB .NET to upgrade the VB...more >>

Hi All, Can anybody suggest as to what is the best way communicate between 2 applications residing on the same machine? Thanks. kd...more >>