Webclient Not Working - Msgbox Is Not Showing Anything?

Dec 29, 2009

[Code]...

i am not getting any errors either i am using Imports System.Net

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WebClient Showing Weird Characters

Feb 5, 2012

I'm trying to download this website: url...And filter out the data in order to get the "Original Telephone Company", and etc, but it's showing this data, instead of what it should be showing:[code]Is there any way to fix that / convert it in .NET?

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Webclient Not Working?

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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Check If Webclient.DownloadData Is Working?

Feb 12, 2010

How do you check if webclient.downloaddata is working? I mean what if the site you are trying to access suddenly turns down. How do you avoid getting an error? Below is an example

Dim webclient As New WebClient
Dim eIP As String
eIP =

[Code].....

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WebClient.DownloadFile Not Working Consistently?

May 23, 2012

I am trying to write a program to download an image at certain time intervals from a website based on a start time, end time and the time interval. I am trying to use 3 timers to accomplish this. I want to be able to kick the program off and leave it running until I stop it. My code seems to work fine if I set the time interval for something like 2 minutes, etc. and sit and watch it, but if I set it for an hour and leave it alone, it gives me almost sporadic results.

I set it to start at 10 pm last night and end at 5 am this morning with an interval of 1 hour. It downloaded an image at 10 pm, 11 pm, 12 am, 1 am, 2 am, and 3 am and then there were no images for 4 and 5 am. I have tried this multiple times with different time spans, and seem to get sporadic results. Any insight would be greatly appreciated. Here is my current code:

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If TextBox1.Text.Length = 0 Or cmbStartTime.Text.Length = 0 Or cmbEndTime.Text.Length = 0 Or TextBox2.Text.Length = 0 Then
MsgBox("You must select an image destination, start time and time increment.")
Else

[code]....

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C# - WebClient.UploadFileAsync Not Working With Large File Uploads?

Apr 29, 2011

I am uploading a file from a C# application to an ASP.Net website, both written by me so I have access to the code.But, it is working for a text file (1KB) but not for a MOV file (77MB).

In both cases, I am using UploadProgressChanged to get the progress. The TXT file goes to 100% while the MOV file goes only till 50%. When done, I only find the TXT file saved on the server but not the MOV file.

Why is this happening? How can I get it to work?

[Code]...

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Thread Msgbox Application Modal Not Working

Jul 26, 2011

I have a background thread that checks software updates available and few other things. If there is an update it shows a msgbox do you want to update. Since this is in another thread its not being application modal. I can still use form screen enter text to textboxes.I thougth of moving the msgbox out side the thread but then i need to do some amount changes in my code.

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WEBCLIENT Not Working - Not Get Text File From PHP/MYSQL Server - Invalid Username/Password Or No List Download Permission

Jun 1, 2012

I do the same thing with URLdownloadtoFile: IT WORKS.Wih the WEBCLIENT part I just DO NOT GET the Text file from the PHP/MYSQL server: I only get message "Invalid Username/Password or no list download permission: ||"

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

Dim urlStr1, urlStr2 As String

Dim fileToStoreStr, fileToStoreStr1, fileToStoreStr2 As String

[CODE]...

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Calculator Working But Its Not Showing Numbers Seperated

Jul 11, 2011

All i made was a program to launch diffrent programs ^^. This is what I am currencly workin on: A calculator to calculate waves for example Wintermaul. I have writen this code:

[Code]...

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Dropdownlist Showing In IE But Working Fine In Mozilla Firefox

Nov 13, 2009

i have a dropdownlist which has a linq datasource ...and i have inserted 2 items "All Batch" and "Choose" from the codebehind manully...in case of mozilla firefox "Choose" is automatically selected as default in the dropdownlist but in case of IE6 the default selection in dropdownlist is blank but the items are there if we scroll the list.

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Update Query Not Working For Access And Not Showing Any Error

Jul 30, 2009

this is the code

Dim con As New OleDb.OleDbConnection
Dim com2 As New OleDbCommand
Dim constring As String = ConfigurationManager.ConnectionStrings("esourcecon").ConnectionString
con = New OleDbConnection(constring)
com2 = New OleDbCommand("UPDATE Customer SET CName = @CName, CAdd= @CAdd, CTel= @CTel, Cmob= @CMob WHERE CName='" & C1.Text & "' ", con)

[Code]...

id is an autonumber field and if i change the where string to another column then also i dont get any error and the values are still not entered

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Msgbox Capabilities - Msgbox Cleared Without Having The User Do It Manually?

Nov 15, 2011

if its possible to have a msgbox cleared without having the user do it manually? what would be my best option here?

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MsgBox("") - Unable To Popup Msgbox If Count=0

Jun 22, 2010

I am unable to popup msgbox if count=0. It will work only if i use MsgBox(""). I am unable to understand how it has anything to do with msgbox("")

Private Sub txtstaffID_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtstaffID.TextChanged
Dim conn As SqlClient.SqlConnection

[CODE]...

Both IF and Elseif code executes but the problem is the msgbox won't popup in both the cases( i.e when IF executes and when Elseif executes) unless and untill i have a msgbox("") before da.Fill(dt)

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Show The First MsgBox If The NewEntryName.text - Show The Second MsgBox If Openfiledialog1 = Nothing

Jun 17, 2012

If NewEntryName.Text = "" And OpenFileDialog1.FileName = Nothing Then MsgBox("Please choose a name for your game.", vbExclamation) MsgBox("Please find your game.", vbExclamation) Else Button1.Text = NewEntryName.Text game1 = True Panel1.Visible = False End If

I want it to show the first MsgBox if the NewEntryName.text = "" and I want it to show the second MsgBox if openfiledialog1 = nothing... how do I do it?

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Why Is Model Only Showing One Make Of Car / Yet Cars Is Showing Full Lest

Mar 31, 2011

I have a problem with the combox its only displaying the first item in the list its being populated by a webserice call the drop down in question is comboboxmodel now the manufacture one is fine and sets as it should any reason as to why the comboboxmodel would not. [code]

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Get The WebClient To Use Cookies?

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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Set Time Out For WebClient?

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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Webclient.DownloadStringAsync?

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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Cancelling Upload With WebClient?

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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Differences Between HttpWebRequest And WebClient?

Jun 9, 2010

differences between HttpWebRequest and WebClient and why I should use either.

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Download Zip File From Web Using Webclient?

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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DownloadFileCompleted (Webclient) Called Twice?

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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Downloading File Using WebClient?

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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Error In Using WebClient.DownloadString In Asp.net

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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Get Status Code From Webclient?

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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How To Retrieve A PDF Using WebBrowser Or WebClient

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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HTTP POST Using Webclient

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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Make DOM Objects And Webclient?

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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Retrieve Raw XML From URL Then WebClient Or HttpWebRequest?

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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Threaded Webclient Still Slow?

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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