A friend and I are working on a project where we're required to build a reliable UDPclient/server using VB.Net. We have things working well, but one thing that still eludes us is how to dynamically allocate a (byte) buffer for the incoming data. Right now we have to hard code a maximum value/MTU (or use a really large buffer size and r...
I'm writing a little web service which generates SO/SF/SU/MSO user flair in the form of an image with various "themes". I find this preferable to using the HTML/JS solutions offered by SO as it's more flexible and also works better in forum signatures. I'm retrieving the data using the apparently unofficial API (More info here). I can h...
How do I translate My.Application.Deployment.ActivationUri into C#? ...
how to a generator ramdom password in vb.net...can u tel me a any algorithms,any method() or codings to do so .. plz reply me.......mine s a web application were i shd generate password and send it to user .. and tat password wil be their life time password..so it shd b unique too ...
What is the proper design pattern for custom events in .NET (VB or C#). Please note I am refering to custom events, where in you override the AddHandler, RemoveHander, and RaiseEvent methods. ...
For some reason when the user click on the submit button and he re-fresh the page the same data get's uploaded again to my SQL Server 2005 database. I do not what this to happen........... Why is this happening? I am making use of a SQL Data Source!! My code Try 'See if user typed the correct code. If Me.txtSecurity.T...
How do i Declare a string like this: Dim strBuff As String * 256 in VB.NET thanks ...
What does Static mean in VB? EDIT - Code sample for reference Module Module1 Sub Main() Dim a = New Foo Dim b = New Foo Console.WriteLine(a.Boom) Console.WriteLine(a.Boom) Console.WriteLine(a.Boom) Console.WriteLine(b.Boom) End Sub End Module Class Foo Function Boom() As I...
Private Function Token() As String Dim Length As Byte Length = 10 Dim Chars As Char() = New Char() {"a"c, "b"c, "c"c, "d"c, "e"c, "f"c, _ "g"c, "h"c, "i"c, "j"c, "k"c, "l"c, _ "m"c, "n"c, "o"c, "p"c, "q"c, "r"c, _ "s"c, "t"c, "u"c, "v"c, "w"c, "x"c, _ "y"c, "z"c, "A"c, "B"c, "C"c, "D...
This property make me confuse. well.. i searched in google: What is the z-index? The z-index property specifies the stack order of an element. An element with greater stack order is always in front of an element with a lower stack order. Note: z-index only works on positioned elements (position:absolute, position:relative, or position...
Using VB.Net I want to get a all datagrid cell values, then insert into table1. Code cmd = New SqlCommand("insert into table1 values('" & DataGrid.Rows(0).Cells(0).Value & "', '" & DataGrid.Rows(0).Cells(1).Value & "', '" & DataGrid.Rows(0).Cells(2).Value & "', '" & DataGrid.Rows(0).Cells(3).Value & "')", con) cmd.ExecuteNonQuery() ...
To create a scheduled class, I call the schtasks command from my code, passing it the necessary arguments. Yet, I can't really figure out how to create a task without the user having to input his password. ...
I'm a complete newbie to VB.NET, how can I test if a dataset has rows? I'm trying to see if my sql procedure call managed to fill up my dataset. Also, is there an easy way to print the rows to a label? ...
Hi all I am trying to update a listview from my backgroundworker. On the ProgressChanged event, I am passing back ProgressPercentage and a custom object called OperationInfo in the UserState object. OperationInfo has 4 properties: Operation(string), Success(boolean), Count(int), and AdditionalMessage(string) The below code updates my ...
Hi, I'm creating a custom Role provider based on the ASP.NET Role provider. I have 3 tables. One for Users, one for Roles, one for UsersInRoles.The Users table has no password column because the users are authenticated with ActiveDirectory. That's my approach so far. I can't get the cusstom Role Provider to work, anyone has the same sit...
I have an ItemsControl in a ScrollViewer. The ItemsControl.ItemSource is set to the Observable Collection. Every time I add an item to the collection, my application nearly doubles in memory usage and eventually after enough adds. Here is a rough sketch: <Scrollviewer Name="MyScroll"> <ItemsControl Name="MyItemsControl"> ...
I am using this vb.net code file to call a procedure to get dates (among other things). When I execute this procedure in SQL 2005 Server Management Studio, I get about 10 columns. However when I execute this code, the dataset seems to only have one index value, maybe I am misunderstanding something. When I change this ds.Tables(0).Rows...
There is an FastBitmap class for C#, that lets you acces and modify pixel information of am bitmap. I have already used it in some C# project, but I need it now in VB.NET. The problem is that that class uses unsafe code, that is not supported in VB.NET. The question is. Can I compile the FastBitmap class in a dll and use it in VB.NET? ...
If I am working on creating a watch list. What is the best way through DDE to get the name, volume, bid, ask, and last trade? I am going to be using Think or Swim's Desktop software, which only supports DDE. I am using NDDE. I am looking for an answer from this website: http://ndde.codeplex.com/Thread/View.aspx?ThreadId=63269 I am...
EDITED... I posted a similar question about VB and C#. The question here is slightly different, considering the differences between VB.NET and C++ are greater than those between VB.NET and C#. Do I stick with my sort-of working knowledge of VB.NET and learn it thoroughly or skip to C++? EDIT 2: I am familiar with Actionscript syntax...