catch exception ex

Using System; Using System.Collections.Generic; Using System.Text; Using System.Net; Using System.IO; Using System.Windows.Forms; Namespace Convertdata{class Ftpupdown {string Ftpserverip; String Ftpuserid; String FTPPassword;

In this article, we mainly discuss how to use Java for network communication, including TCP communication, UDP communication, multicasting, and NiO.TCP connectionsTCP is based on the socket, in the TCP connection, we will use ServerSocket and

LOB types are divided into BLOBs and CLOB two: BLOBs-binary large pair images (Binary Large Object), which are used to store text-throttling data (such as programs, images, audio, video, and so on). CLOB, a character-type large pair (Character Large

oracle| Data | Several situations of database manipulating Oracle database LOB fields through JDBC Software production Center rain also odd 2003-6-10 15:14:19 In Oracle, fields for LOB (Large object, large objects) types are now used more and more.

1.Android WebView some basic conceptsa high-performance WebKit kernel browser is built into the Android phone, encapsulated in the SDK as a component called WebView. What is WebKit WebKit is a software framework included with MAC OS X v10.3 and

C # operations on files and folders (copy, delete, add, and set read-only)-Technology & sharing Using System; using System. IO; using System. Windows; using System. Windows. Events; using System. Xml; namespace WorkItemCreateBussiness. HzClass

Edited from: http://developer.51cto.com/art/201008/216488.htm51cto once exclusively recommended the topic of Android development and application explanation. This article hopes to show you how to use webview components in detail:I. Network Content1.

  To create, initialize, and invoke global sessionfactory instances, we use the Hibernateutil class to encapsulate the Hibernate API, reduce the writing of repetitive code, and make the program look more concise     Package ...     import ...    

The Apache DBCP-based database connection acquisition class allows you to use Apache's database connection pool on a J2SE program or other application server other than Tomcat. TODO: To increase the maximum number of connections and the minimum

DROP TABLE IF EXISTSTestcheck;CREATE TABLEUsers (user_id INT not NULLauto_increment, usernameVARCHAR( -) not NULL, PasswordVARCHAR( -) not NULL, PRIMARY KEY(user_id) ) ENGINE=InnoDB;INSERT intoUsersVALUES(NULL,'Test','123456');DROP

1. TCP/IP layered model Of course, here we will only discuss the important layer-4 01. Application Layer (Application Layer): the Application layer is a broad concept. It has some similar system-level TCP/IP applications and Application protocols,

Note: You can use SQL statements and only tables to load tables in the database to the memory. Note that the memory here will not be released. Therefore, this component can be used on the asp.net server. The table retrieved from the memory is

ASP tutorial. NET common File and folder action classes #region Reference namespaces Using System; Using System.Collections.Generic; Using System.Text; Using System.IO; #endregion Namespace Commonutilities { File Action Class public

Because in the transmission of the server and the client only byte stream to complete the transmission of data, then we can add a flag in different numbers. The graph is the HTTP message captured by HttpWatch This source

Asp.net| Design | voting | network | online 　　system function design and database design1. system function design and database design1.1 System Function DesignNetwork online voting system to achieve a simple function, as follows:The management of

The primary function of a database is to store data and to enable real-time fast read and write operations, some of which represent databases such as access (Microsoft), Oracle (Oracle), and so on. MySQL is a small-to-medium database that remains

usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingSystem.Data;usingSystem.Data.Common;usingSystem.Configuration;usingSystem.Transactions;namespacebrightdata.celldata.cityplanning.dbutility{classdbhelper:idb {String connstring=

The complete code for the class:Using System;Using System.Collections;Using System.Xml;Namespace Keleyi.Com.XmlDAL{public class Xmlhelper{#region Public variablesXmlDocument xmldoc;XmlNode XmlNode;XmlElement Xmlelem;#endregion#region Creating an XML

  Java has powerful network functions and is easy to develop and use. It is no wonder that microsoft strives to regain the dominant position of the programming language. According to the smtp protocol, java Socket is used to write a program for

Click "" on the right to maximize the Receiving Window. The existing serial port is automatically detected. You can add new lines, uppercase letters, or convert them to hexadecimal notation on the sent data. You can display received data in