Visual Basic

6-Oct-07 2:07

please read the sticky note on how to ask questions. All the questions here are about VB.NET, how does that help ?

A web server can serve a PDF directly. If you want to convert it to HTML, you need a PDF that contains text, not just images, otherwise there is little point. Even then, I'm not sure that any component exists, although components to return the text itself certainly do. There is no support for PDF in .NET, it's all via commercial libraries.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Re: vb.net

Abhijit Jana6-Oct-07 2:36

Abhijit Jana

6-Oct-07 2:36

Thanks sir, for your information !!!! Smile | :)

Happy Programming
-----
Abhijit

Bar charts

Cedrickdeorange6-Oct-07 0:10

Cedrickdeorange

6-Oct-07 0:10

I am trying to do a barchart from data in a csv file in vb 2k3. I can write the required data to the csv file, but from here i am totally stuck and don't know which way to turn.

Any help or advise would be greatfully welcome.

Regards
Zeldacat

Re: Bar charts

Christian Graus6-Oct-07 0:34

How to restart a thread with new parameters

6-Oct-07 0:34

You need to either write code to draw a chart, or use a commercial or free library that does it for you.

If you want to write it yourself, read up on the Graphics and Bitmap classes.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Re: Bar charts

Patrick Etc.7-Oct-07 1:42

Patrick Etc.

7-Oct-07 1:42

http://www.zedgraph.org[^]

If you can read the csv file in yourself (and honestly, that should be trivial), ZedGraph has some awesome charting capabilities, including bar charts.

The early bird who catches the worm works for someone who comes in late and owns the worm farm. -- Travis McGee

Amer Rehman5-Oct-07 23:31

Amer Rehman

5-Oct-07 23:31

Hi,

Can anyone tell me the solution to this problem. I have built a procidure wrapped in a class that takes a parameter.This procidure is called normally by starting a thread. When an event occures, it is required to call the procidure with new paramater.

A code snippet would be like this.

Private Sub btnReceive_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnReceive.Click

remote = New RemoteConnection 'this is the class
trListen1 = New Thread(AddressOf remote.ReceiveMessage)
remote.msg = "Message has been received."
trListen1.Start()

End Sub

Private Sub btnChange_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnChange.Click

If trListen1.IsAlive = True Then
trListen1.Abort()
Else

remote = New RemoteConnection
trListen2 = New Thread(AddressOf remote.ReceiveMessage)
remote.msg = "Message has been received,answer is here."
trListen2.Start()

End If

End Sub

But this does not work. How this can be handled?

Thanks.

reman

Re: How to restart a thread with new parameters

Johan Hakkesteegt8-Oct-07 0:16

Johan Hakkesteegt

8-Oct-07 0:16

Hi Reman,

What you are trying to do is reasonably clear, however...

Amer Rehman wrote:
But this does not work.

is not.

How does it not work? Is an error thrown, or what? If so, at what point in this code? etc?

Johan

My advice is free, and you may get what you paid for.

backup

VAHINI025-Oct-07 19:51

VAHINI02

5-Oct-07 19:51

Hi!
I'm beginner to VB.net & SQL server. I am doing a project in VB.net 2003 & SQL Server 2000. I don't konw the back up coding. please tell me.

_kalgi_

Christian Graus5-Oct-07 20:38

5-Oct-07 20:38

How is it that a VB.NET beginner is using SQL Server and trying to write mission critical code for backing up data ?

Which bit are you stuck on ? How much SQL and VB do you know ?

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

GuyThiebaut6-Oct-07 0:40

GuyThiebaut

6-Oct-07 0:40

If I understand you correctly you are asking how to backup your VB project code.

If I am correct in my assumption then all you need to do is backup the appropriate folder and all its contents within the projects folder.
So if your project is called UseTheForce the path to backup will be something like:

C:\Documents and Settings\HP_Administrator\My Documents\Visual Studio 2005\Projects\UseTheForce

This holds everything relating to your project.

I hope I got the right end of the stick and that this is of help...

You always pass failure on the way to success.

Abhijit Jana6-Oct-07 1:48

Abhijit Jana

6-Oct-07 1:48

i think you want to mean that u want to take backup up of database using VB.Net... Confused | :confused:

Please Confirm Blush | :O

Happy Programming
-----
Abhijit

Naderrafiee6-Oct-07 3:31

Naderrafiee

6-Oct-07 3:31

You must use DMO. In this sit you can find source code about DMO

right click

farah mazhar5-Oct-07 18:59

farah mazhar

5-Oct-07 18:59

how can i send a right click event to my application and more over can i get any help how can i simulate double click event in that same application.I want help in VB.net for these events any clue how can i impliment them

farah

Christian Graus5-Oct-07 19:12

5-Oct-07 19:12

Why do you want to ? Send them from where ? The obvious thing to do is to write a method that is called by your right click event, and call it when ever else you need to.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

farah mazhar5-Oct-07 20:27

farah mazhar

5-Oct-07 20:27

i just want to code a right click that works the same way as normal right click funtion does that is when i right click on any control in VB.net or over any where else outside my VB.net application it performs the right click function i want to write the code in VB.net but i am new to VB.net environment so i am having problem in coding it and i am also having problem to code double click event too .

farah

Christian Graus5-Oct-07 20:37

5-Oct-07 20:37

I suspect you need to use p/invoke to simulate right clicks. I don't know that the framework lets you.

Your question the second tme is different to the first time. Also, why are you having problems with the double click event ? What bit is the problem?

farah mazhar wrote:
but i am new to VB.net environment

Sounds like a classic case of someone picking up a compiler and trying to use it without learning how first. What are you trying to write that your first VB project needs to simulate right clicks across the entire system ?

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

farah mazhar5-Oct-07 21:10

farah mazhar

5-Oct-07 21:10

yes you right i want my right click to work over the whole system through VB.net program

farah

Christian Graus5-Oct-07 21:16

Create Crystal Reports from Sql Server in VB.NET

5-Oct-07 21:16

I know. I was hoping when I saw your reply that you'd actually answered the questions I asked you.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

mhaneefa5-Oct-07 10:18

mhaneefa

5-Oct-07 10:18

I wish to create the report using the code and to be print out the same report from current form as the current transaction number

thanks

haneefa Smile | :)

TCP .Begin receive

captainmogo5-Oct-07 7:32

captainmogo

5-Oct-07 7:32

I am trying to read a variable number of bytes from another .Net application but I can't ever get the whole message to read in properly. I have a string with ids and data values (id:value|id:value|...) that I convert to bytes before sending. I keep reading on forums that the standard way of reading a variable number of bytes is to add the number of bytes on the front of the message but I cannot find any examples of how to do that. I can add the length in bytes to the string but then I have to convert that to bytes to transmit so it doesnt seem to help. Am I missing something

Any help would be appreciated - I am on a time crunch

Dave Kreskowiak5-Oct-07 8:18

Dave Kreskowiak

5-Oct-07 8:18

You said much, but nothing useful to diagnose the problem. We'd have to see the code the you're using to both send and receive the information. TCP?? So you've implemented a socket server and client in your app??

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007

captainmogo5-Oct-07 9:13

captainmogo

5-Oct-07 9:13

Here is my code

Sending code

Public Sub Send(ByVal dataToSend As String)
Try
bytesToSend() As Byte = System.Text.ASCIIEncoding.ASCII.GetBytes(dataToSend)
mysocket.Send(bytesToSend,0,bytesToSend.Length)

Catch se as SocketException
MsgBox(se.ToString)

End Try
End Sub

Receiving

Private Class StateClass
Public clientSocket As Socket
Public clientBuffer() As Byte ------> how do i know the buffer size before hand
End Sub

Public Sub OnAcceptConnection(ByVal result as IAsyncResult)
Dim state as New stateClass
Dim serverSocket As Socket = CType(result.AsyncState, Socket)

Try
state.clientSocket = serverSocet.EndAccept(result)

state.clientSocket.BeginReceive(state.clientBuffer,0,state.clientBuffer.Length,SocketFlags.None, _
New AsyncCallback(AddressOf ReceiveCallback,stateClass)

Catch acceptex as Exception
MsgBox(acceptex.ToString)

EndTry
EndSub

Private ReceiveCallback(ByVal result2 as IAsyncResult)
Try
Dim state As stateClass,CType(result2.AyncState,stateClass)
Dim numberBytesRead As Int32 = state.clientSocket.EndReceive(result2)

If numberBytesRead >0 Then
Dim receivedString As String = ASCII.GetString(state.clientBuffer)
Console.WriteLine(receivedString)
End If

Catch ex As Exception
MsgBox(ex.ToString)

End Try
End Sub

Dave Kreskowiak5-Oct-07 10:08

Dave Kreskowiak

5-Oct-07 10:08

captainmogo wrote:
Private Class StateClass
Public clientSocket As Socket
Public clientBuffer() As Byte ------> how do i know the buffer size before hand
End Sub

You don't let this size be variable, you set it to a static value, say 4K. You'll have to adjust this size for your own requirements.

Private Class StateClass
    Public clientSocket As Socket
    Public clientBuffer(4096) As Byte
End Class

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007