I have developed tcp server and client for Trader to view live rates of Indian market.url My application sends Live tick data of each and every stocks to client but some of user want to get data of specific 4-5 stocks but i dont want to create something new for it.Is it possible to publish only requested stock rates to specific client like we do in webservices we get what we ask for.
View 1 RepliesI have two web servers with public IPs, for example Server1 with IP 111.111.111.111 and Server2 with IP 222.222.222.222. see the picture:
There is an asp.net webform at Server 1. My intention is:
For every http request to that webform in Server1, the Server1 just pass the request's information to Server2 for logic processing and subsequently Server2 sends the response back to client (i.e. normal browser)
My questions are:
What information that Server1 needs to pass to Server2, so that Server2 able to send response back to client? note that at Server2, there is a TcpListener instance. This TcpListener instance acting as receiver for that webform request information from Server1. What is the suitable object (i.e. the class in System.Net or related namespace such as System.Net.Sockets) at Server2 for sending response back to client? Suitable here means able to meet my intention.
I'm trying to port an old VB.NET application to an Android application, but due to my lack of Java experience I am unable to find this one out. I have tried multiple solutions but to no avail.The idea is basically to do a POST request to 'url...' and getting the response cookies.[code]
View 2 RepliesIm trying to send data from a Windows Form to an aspx page and send back a response. Im running around in circles trying to make this work. The data im trying to send is 4 strings. So fare I have this in my code, using the build-in webclient in visual studio 2010, in the windows form sending to the aspx
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I have to query once an hour to a remote web server to recieve data. However the remote web site does not use web services and state in thier 300+ page document that:
Although SOAP is a recognized Web Services API, the RTO web server does not offer a web services interface. That is, there is no Web Services Description Language (WSDL) file available for usage by participant web services client software.
So my question is how do send a soap request and get a response without the use of a WSDL?
I am posting data to my website, i have a Dim request As WebRequest = urlgoeshere After I post, it redirects to another page. How do I pull that url of the redirect?
View 2 RepliesI create a web page and i kept tht page in liver server. the page link in someurl/inboundmessage.aspx. in the page load i wrote the code request.querystring("Sender"). but this value is always returning blank I am using a 3rd party software to get the parameter . ther 3rd party software rule
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I am sending xmlhttp request to a web server with parameter, and wait for the response before I send another request. About 98% the application is working fine, except if the internet speed became suddenly slow or there is a delay from the web server i am dealing with.
here is how I am doing it,
Public _xmlHTTP As New MSXML2.XMLHTTP <-- declared in a module
Function SendRequest
When you search on google most of the examples are very vague, hopefully this thread can make it to the top and will help someone looking for the same info.to explain the code what it does is create a long string by concatenating all the values together stores it in the variable finalString and then hashes the string using the SHA5 algorithm. Then its supposed to send the string (finalString) as a post request to the url.The server im sending it to reads it this way and sends a response. [code]
View 1 RepliesI'm building a web service to accept notifications from a company. The company informed me that the service is incorrectly structured and provided me the .asmx of a working web service. It looks like this:
Request:
<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
[code]....
Is there anyway to catch or display the request failed with an empty response message somewhere other then in a message box, for a example in a text box? Catch request failed with an empty response message
View 9 RepliesI need to handle a soap request and send a response in a single string. My response is going well but I can not see a request string in my log file thought protocol analyzer can see it properly.
View 2 RepliesI am using a client.openRead to send request and passing line through finalurl.
Dim data As Stream = client.OpenRead(finalurl)
Now my server blocks ports and i am getting error on this line now is there any other solution to client.OpenRead and what ever i am sending throught this is code is going on other company's server so i can't tell then to change their way so is there any other solution to this?
I AM THINKING THAT IF PORTS THEN IMPOSSIBLE TO SEND REQUEST.SO ONLY WAY IS TO CHANTGE SERVER WHER I HOST MY SITE
Dim data As Stream = client.OpenRead(finalurl)
And in final url i have other sites url and some querystring data
For example
dim finalurl as string= [url]
I already use WebHttpRequest but it not works still server not allow it.But i try it with response.redirect and it works but not suiteable to my conditions.i want control on my site so i was using Dim data As Stream = client.OpenRead(finalurl) but now server block some ports due to some reasons
Why am I getitng the following error? Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 9: Dim entry As DictionaryEntry
Line 10: For Each entry In dictionary
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i made a tcp/ip application using the .NET TcpListener class, my problem is that sometimes (about 30 / 4000) the connection between the client and the server got interrupted in the middle and the server response to the client is lost.is there a way to know if the server response was successfully sent to the client without the client response back?
View 9 RepliesI am using stored procedures in my application using vb.net, while executing stored procedures on mysql database server thru application, the response time from the server is more. Is there any settings that i need to set on mysql db server or any changes in connection string or in code.
View 14 RepliesThis emailing code wont seem to work in my program. I get an exception "The SMTP server requires a secure connection or the client was not authenticated. The server response was 5.5.1 authentication required."
Imports System.Net.Mail
Public Class emailStudent
Private Sub sendEmailButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles sendEmailButton.Click
SendMail()
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I hope this is in the right category. If its not, direct me for where it should go. I'm quite a, what you would call "noob" to visual basic. I'm trying to make a web-based (LOCAL ONLY) Tech Request system for my LOCAL machines (Only 1 noted for use). I want a login area (I think I know what to do for that.), a open request area, a OPENED requests area, a way to CLOSE requests (by staff only), and and started/not started field for staff to use.
View 4 RepliesI am getting an intermittent "System.Web.HttpException: Request timed out." error when my code hits the line response.write():
sMessage = "Searching...0% complete."<br>
sSetVal = "<script>document.getElementById('MessageDiv').innerHTML='" & sMessage & "';</script>"<br>
Response.write(sSetVal)
Note that Response.BufferOutput = false is set when the page first starts executing (well before the above code executes).The code is used to update a progress message while other threads execute long-running processes. One thread runs continuously and checks the status of the other threads. As the other threads finish, this thread outputs updated status messages to the end user. I realise that this could (should) be recoded using ajax, but it is a legacy app and that is not an option at the moment.
This code is run 10,000+ times a day, and the error only occurs about 5 times - so I suspect the response object is being blocked by other threads when the website gets busy. However, I don't know which performance counters to check in the performance monitor. Or is this problem caused by something else? I am using IIS 6, asp.net v2 and vb.net?
I am trying to use an Asynchronous HTTPListener to create a simple web server in VB .Net (Not ASP) This will be run as a desktop application. My only goal is to be able to request Server Variables from the client. Is there any way to do this from within a HTTPListenerWebServer? I am using the code from the MSDN VB .Net Samples:
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So, what I have is a windows form with multiple user selections. I need to display one message box upon click which concatenates strings based on the users input. The message box needs to show each specific reason why the user is declined. I'm typing out some really basic pseudocode below to give the basic structure of what I'm trying to do. [code]
View 4 Repliesim trying to do is ping a server and see if there is a response. If there is a response then i would like to set an integer to 1 if there is not a response set the integer to 0. I would also then like to gather any servers that had a response into a list box. I know how to build a list box just having trouble getting the code to set a variable if or if there isnt a response.
View 4 RepliesI'm writing a program that will be based off of TCP communications with a server. The user would click a button, which would send data through TCP Client to the TCP Listener on another computer. The TCP Listener sends back a response, and the TCP client is receiving it. Right now I have the response from the server showing up in the immediate window, which is good. I want the response from the server to determine what action the client program will take next.
How do I use the server's response variable in a different class? I need to use the response from the server in an if-then-else statement to say "if the server response is 001, then execute this code. else, if the response is 002, then execute this code."
If you try to access a password protected page it does a security check and redirects you if you are not logged in, retaining the URL (ie. Members/MemberLogin.aspx?oc=/PodCast/Default.aspx)The vb script places the "/PodCast/Default.aspx" in a variable and holds it until the login process is complete.Once the user types in their username and password it is suppose to do a Response.Redirect(strRedirectURL) and go to the "/PodCast/Default.aspx" but instead it goes to the default.aspx page for logging in successfully
View 1 RepliesThe target server is writen in Cold Fusion and i have no access to there.
In addition i get only this error msg: The remote Server returned an error: (500) Internal Server Error
What can i do in order to come with a more friendly exception message?
Am i overlooking something obvious in my code? myResponse.Close()
Im trying to look at an response string from a Cisco phones web server...
it returns:
TFTP Server 1</B></TD>
<td width=20></TD>
<TD><B>10.0.200.19</B>
i.e. there are random carriage returns in the return....so its not matching my filter.
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I have create a project with four textbox, first one are for ip address, second one are for the open ports, the third one are for username and last one is for the password. So, if I use httpwebrequest, is it possible to connect to vpn server??
View 2 RepliesI am connecting to my mail server using IMAP and Telnet. Once I am connected I am marking all items in the inbox as read. Some times the inbox will only have a couple of e-mails, sometimes the inbox may have thousands of e-mails. I am storing the response from the server into a Byte array, but the Byte array has a fixed length. [code]...
But the response from the server varies based on how many e-mails are successfully marked as read since I get one line of confirmation for each e-mail processed. There are times where the response may contain only 10-20 lines, other times it will contain thousands of lines. Is there any way for me to be able to get the response from the server in its entirety? I mean it seems like I would have to know when the server was done processing my request, but I'm not sure how to go about accomplishing this.
So to reiterate my question is: How can I check in my program to see when the server is done processing a response?
i hav got a problemo with my client/server application that i created in vb.net.Actually i want to add a "Refresh button" at the client side such that when it is pressed some specific lines should be executed at the server side.(e.g. when the "refresh button" is pressed at the client side, the server should evaluate some variable "data" and executes this line "winsock.sendData(data)" )
View 3 RepliesI have created a vb.net application that uses a SQL Server database at a remote location over the internet.There are 10 vb.net clients that are working on the same time.The problem is in the delay time that happens when inserting a new row or retrieving rows from the database, the form appears to be freezing for a while when it deals with the database, I don't want to use a background worker to overcome the freeze problem.I want to eliminate that delay time and decrease it as much as possible?
View 3 Replies