Limit Output Of WebClient.UploadValues?
Mar 3, 2009
A situation occured where this service had a critical error and instead of returning aprox. 200 bytes of info it normally does, it returned some huge amount of data causing the statement (highlighted below) to fail with "System.OutOfMemoryException".
The actual real problem is with the SMS service provider and they are fixing the problem. But, I wanted my call to fail elegantly rather than cause an OutOfMemory exception. In investigating a means to achieve this[code]...
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Jul 23, 2009
I have the following HTML Form That I'm trying to automate:
<html>
<body>
<!-- The data encoding type, enctype, MUST be specified as below -->
[code].....
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May 5, 2009
I have setup shares for each user in my domain. Also I have quotas enabled on the user's share set to 5 GB. I'm trying to figure out how I can take the current size of the users share and divide it by the limit of 5 GB and have an output of how much space the user has left using a vbs.
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Mar 1, 2012
What I am trying to do: There are three powershell scripts with different time delays as shown below.I am trying to run them asynchronously in .NET and I followed this article to implement Asyncrhonous programming. Where I am stuck:The I am not able to retrieve output after the events are invoked.The scripts are being called but then the program ends and it shows "Press any key to continue" in console windows.I don't what I am missing here.
Info: JobRequest is a class that I use to pass around information keep track of jobs.
Sub Main()
OurAsyncFunctionCalling("psDelayScript2.ps1", "-arg1 4 -arg2 5", 1)
OurAsyncFunctionCalling("psDelayScript1.ps1", "-arg1 2 -arg2 3", 2)[code]......
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Sep 25, 2011
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Microsoft.VisualBasic.Interaction.Beep()
System.Diagnostics.Debug.WriteLine(3 + 2)
End Sub
Why I don't see in Output window number 5 as output?
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Jun 14, 2012
I'm just going to throw all my code in here in case there's something wrong with a piece of the code not in the "SelectName()" sub.
Module Module1
Dim selectednames As String = ""
Dim index As Short = 0
Dim inarray As Boolean = False
[code]....
Here's an image of what it does (I suppose you can see what went wrong)13 inputs, 3 outputs expected, only 1 output given.As from what I've figured out so far, it's doing the correct amount of loops etc. It's just as soon as it starts generating the "winner" for the 2nd game key it doesn't get a string value from namesarray.Also, why is
For x = 0 To totalnames - 1
Debug.Print("namesarray(" & x & ") = " & namesarray(x))
Next
not giving me a debug output?
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May 13, 2010
I would like the VB.net WebClient to remember cookies.
I have searched and tried numerous overloads classes.
I want to login to a website via POST, then POST to another page and get its contents whilst still retaining my session.
Is this possible with VB.net without using WebBrowser control ?
I tried Chilkat.HTTP and it works, but I want to use .Net libraries.
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Mar 5, 2011
I use
wb as webclient
wb.downloadstring(url)
Say 40 seconds have passed. I want wb to just give up. How to do so?
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Jul 12, 2010
well its werid it worked once but then it just randomly stop i do havenamespace
Imports System.net
Imports System.IO
[code].....
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Jun 20, 2012
as per usual i am a little confused. I know DownloadStringAsync runs on a threaded pool with a default min and max threads limit, but what confuses is how would i call DownloadStringAsync say for example ten times.Example.I have an array with 10 URLS. Surely i would not use a for each loop of the array index to pass the url address while each time calling DownloadStringAsync(New Uri("someArray(index)") surely we can pass say a range of items from the array and let DownloadStringAsync decide on the threaded pool how many to process each time?
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Jan 23, 2010
is there anyway to limit the rows selected in adodb?i had something like this
vb.net
Dim command As New OleDb.OleDbCommand("select*from Table order by Col1 limit 5", connection)
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Feb 25, 2010
how to limit Bandwidth using ftp
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Jan 25, 2010
does textbox has a limit because I added a (very long) code and I couldn't paste further..What can I do make it bigger? I mean bigger of capacity.
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Apr 4, 2012
Using the following VB.Net simple code to upload files in FTP, a call to WebClient.CancelAsync() doesn't actually cancel the upload.Does someone know why, and what can be done about this?
Private Sub UploadProgressChanged(ByVal sender As Object, ByVal e As System.Net.UploadProgressChangedEventArgs)
'TO-DO: Why is pbar empty?
ProgressBar1.Value = e.ProgressPercentage
Label1.Text = e.BytesSent & " bytes sent"
End Sub
[Code]...
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Jun 9, 2010
differences between HttpWebRequest and WebClient and why I should use either.
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Nov 23, 2010
I am trying to use system.net to download a zip from a website.I am using the following code .[code].....I am doing something wrong here.The zip file is getting downloaded but the size is not correct.How to know the size of the file I download and assign to my buffer .
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Sep 21, 2011
I use webclient to download a file Async. Defined in the Globals.
Public WithEvents wbclient As New WebClient
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Aug 15, 2011
I am trying to use WebClient to download a .zip file from my server. In debugging mode the code works perfectly, but when I deploy my software the file does not even begin to download.After my program checks to see if an update is available, it should download the .zip file from my web server via the following
[Code]...
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Mar 4, 2012
I am using WebClient.DownloadString method in vb.netto convert asp.net page to string after that I send this string by email. by I got this error from the server The remote server returned an error: (500) Internal Server Error. Unfortunately, no more details about the error. what is the possible problem ? edit: error in the following line of code :
[Code]...
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Aug 26, 2010
I am using webclient class to post some data to a web form. I would like to get the response status code of the form submission. So far I've found out how to get the status code if there is a exception[code]...
Is there some way to get the status code when there is no exceptions thrown?[url]...
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Nov 23, 2010
I am trying to automate the daily retrieving of a web file using .NET.The file is a PDF located at an address similar to: url...and these are the headers of HTTP request registered for debug using IE.[code]Can you please suggest me a way to get it and save it locally using WebClient, WebBrowser or other VB.NET (Framework 4.0) components?
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Feb 3, 2010
I have donsome programmng in the past but am just getting back into it.I am trying to post to the following webpage. I need to fill in the "upfile" box and submit.[code]I keep getting 501 not implimented errors. I have asked my mate Google and cant find anything.
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Feb 3, 2011
I usually used dom object from mshtml library for stuff manipulation when I use webbrowser control.How would I do the same for webclient control. Can I? Can we create a dom object from a raw html string?
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May 26, 2010
I am working on a Geocoding app where I put the address in the URL and retreive the XML. I need the complete XML response for this project. Is there any other class for downloading the XML from a website that may be faster than using WebClient or HttpWebRequest? Can the XMLReader be used to get the full XML without string manipulation and would that be faster and/or more efficient?
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Nov 24, 2008
Here is my webclient class that I am using to check multiple web sites at the same time. I am threading the class so each thread is creating a new getHtml Class. It seems that it still is waiting on something, because it only returns about 2 pages per second, which is great, but I think it should return faster if they are truly running on separate threads.When i made a similar perl script it would return 50 pages in about 10 seconds so it was much faster than this webclient method, unfortunately I don't want a cli. Let me know what you think. I have tried setting the proxy to null, but that didn't do anything.
Class getHtml
Friend result
Public Sub GetPage(ByVal URL As String)
[code].....
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Jun 3, 2010
I am trying to use the UploadFile WebClient method to a HTTP server which is operating on a device, however when I do this from my code at the client end (a PC), the server crashes. If I upload the same file from my browser on the PC to the same device running the same server, it works just fine. When I track the code on the web server there appears to be a difference in the header which is sent to the server. It is a 'Post', however the filename doesn't seem to be there. Is there anyway of reading the data that the UploadFile method sends?
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Jun 4, 2009
I am making a little program witch get information from the web. Now i got some complains from people who are behind proxys. So my question is: Is there a way to get the proxy settings from IE, and let the WebClient use them?
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May 8, 2009
I need help to optimize this
For x As Integer = 1 To Me.dtsCustomers.Tables(0).Rows.Count Try
'I SEND VALUES: NAME CUSTOMER AND HIS AMOUNT
Dim client As WebClient = New WebClient<br/>
client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)")
client.QueryString.Add("customer", Me.dtsCustomers.Tables(0).Rows (x).item("customer"))
client.QueryString.Add("amount", Me.dtsCustomers.Tables(0).Rows(x).item("amount"))
[Code]...
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Dec 8, 2009
i got the function, but it only can get the outer html, any method or suggestion to get the innerhtml with webclient?
[Code]...
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Feb 27, 2012
We recently started playing with a vb.net 2008 WebClient on a Windows 7/64 workstation to download files from a web site to the local machine.It works except that we cannot detect if the URL is invalid. It doesn't throw an error. If we use Async it does trigger the Download Complete event but there was no file since the URL was incorrect.Is there a way to detect an incorrect URL?I also noticed that the events does not give you either the URL or the file?
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