' echo that data back to the connected client. ' It then disconnects from the client and waits for another client. Public Shared Sub Main() ' Data buffer for incoming data. Dim bytes() As Byte = New [Byte](1023) {} ' Establish the local endpoint for the socket. Dim ipHostInfo As ...
Imports System.Net.Sockets Public Class TcpClientExample Public Sub ConnectToServer() Dim client As New TcpClient() client.ReceiveTimeout = 5000 ' 设置接收超时时间为5秒 client.SendTimeout = 5000 ' 设置发送超时时间为5秒 Try client.Connect("服务器IP地址", 1234) ' 连接服务器的IP地址和端口号 ...
ClientPort As IntegerNormally left at the default value of 0, in which case a unique port is assigned with a value between 1024 and 5000. This property would only be changed if it is specifically required. For example, one customer's requirements are as follows: "I have to connect to ...
> >>I'm looking for a server side code example of winsock accepting many > >>clients. I know that in VB.NET it is not implemented like in VB6. What > >>I've done is one client per socket. Meaning that each client used a > >>different port on the server, but I find it annoy...
Dim response As String = client.UploadString(url, "POST", postData.ToString()) 使用Socket连接:VB中可以使用Socket类与服务器建立连接,并通过Socket发送数据。Socket类提供了发送和接收数据的方法,可以使用这些方法向服务器发送数据。例如,可以使用Socket的Send方法将数据发送到服务器。
Dim response As String = client.DownloadString("http://服务器地址/时间接口") 上述代码中,您需要将"http://服务器地址/时间接口"替换为实际的服务器地址和获取时间的接口。例如,如果服务器地址是http://example.com,时间接口是/time,那么代码将变为: ...
在VB.Net中,可以使用HttpClient类来发送HTTP请求。以下是一个示例代码,展示了如何发送带身份验证的GET请求: 代码语言:txt 复制 Imports System.Net.Http Imports System.Net.Http.Headers Public Class Program Public Shared Sub Main() ' 创建HttpClient实例 Dim client As New HttpClient() ' 设置身份验证信息 D...
For SQLClient Command set the CommandType to StoredProcedure and CommandText the name of the stored procedure. using one parameter here, add as many as needed. Once ExecuteReader is called in the DataTable Load event you will have access to the DataRows in the DataTable, you can loop ...
把这两个窗体分别 编译成两个EXEDt件,服务器Server.exe 和客户Client.exe程序,并把它们分别 安装在服务器端和客户端,这样就可以 实现两者通信了。*PING一个IP地址(向它发送一个数据包 并等待回应)新建一个工程,添加一个标准模块,写 入以下代码:Option ExplicitPublic Const IP_STATUS_BASE = 11000 Public ...
form was detected from the client A ref or out argument must be an assignable variable A route named ' ' could not be found in the route collection. Parameter name: name A socket operation encountered a dead network A TCP error (10013: An attempt was made to access a socket in a way...