catch exception ex

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Basic AvalonDock usage and AvalonDock usage

Basic AvalonDock usage and AvalonDock usage AvalonDock is an excellent open-source project used to create a docked layout. It can easily develop a software interface similar to VS2010 in WPF. For complex software systems, the use of a large number

sftp upload download file, part of the code taken from the network, you need to add DiffieHellman.dll, Org.Mentalis.Security.dll, Tamir.SharpSSH.dll three DLL references

Using system;using system.collections;using system.collections.generic;using system.io;using Tamir.SharpSsh.java.io ; using Tamir.sharpssh.jsch;namespace EB. mall.core.utils{public class Sftphelper {private Session m_session; Private

C # Task Parallel library using subtotal Z

1. Simple creation usingUsing System;Using System.Diagnostics;Using System.Threading;Using System.Threading.Tasks;Namespace ConsoleApplication17{ Class Program { void Main (string[] args) { Try {

. Net platform rabbitmq use encapsulation

RabbitMq is not familiar to anyone. This article focuses on sharing rabbitmq. Client after RabbitMQ is learned. At the end of the article, I will present the encapsulated components and demos. Preface RabbitMq is not familiar to anyone. This article

Dom4j xml file operations (full)

Many of us use xml files in projects, whether it is parameter configuration or data interaction with other systems. Many of us use xml files in projects, whether it is parameter configuration or data interaction with other systems. Today, let's talk

"Android Zero-single-row development diary"--android data Storage (bottom)

Needless to say, the operation of the database is immediately followed. Come on!When it comes to data storage problems, the database has to be mentioned. A database is an ideal tool for storing relational data. Android provides a powerful database

Implementation of cache caching mechanism used in Java

缓存,就是将程序或系统经常要调用的对象存在内存中,一遍其使用时可以快速调用,不必再去创建新的重复的实例。这样做可以减少系统开销,提高系统效率。 缓存主要可分为二大类: 一、通过文件缓存,顾名思义文件缓存是指把数据存储在磁盘上,不管你是以XML格式,序列化文件DAT格式还是其它文件格式; Importjava.util.*;//description: Managing caching //extensible functionality: when chche to

Summary of socket-based simple chat tools (original)

During this time, I can't help but try to write a summary to encourage myself to study hard and write poorly. Please advise me! The following is a simple program for sending messages and files. First, the server needs to prepare two sockets and two

Mobile Computing Desktop

Applicability:Microsoft. NET Compact frameworkWindows Mobile-based Pocket PCWindows Mobile-based smart phonesMicrosoft ActiveSync Abstract:Learn how to store data using remote APIs or rapis, and how to merge data into applications developed through.

C # using SQL

Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;Using System. Configuration;Using System. Data;Using System. Data. SqlClient;Using System. Collections;Using System. IO;Using System. Text;Using System. Data.

Brief Introduction to ado.net (I)

Ado.net encapsulates some objects to connect C # To the database, which is actually a bridge. The following describes how ado.net connects to the database through SQL Server. First, let's take a look at creating a database in vs (vs has a built-in

Common spgroup and spuser operations

Private bool removeuserfromgroup (string sgoupname, string suserloginname){Bool res = false;Try{Spweb web = spcontext. Current. Web;Spgroup ogroup = web. sitegroups [sgoupname];Spuser ouser = getspuser (suserloginname );If (ouser! = NULL){Web.

One folder operation class

// Yang Chun// 2008-7-10// Delete all files in the specified directory to process the cached files generated by the pie chart column. Using system;Using system. Data;Using system. IO;Using system. Data. sqlclient; /// /// Summary of deletefile///

General static website Solution

Read and Write of multiple file servers. SMB protocol can be used here. Static Page, use freemarker open-source framework If a large number of read/write requests are taken into account, the requests are distributed or scheduled. First, we should

SerialPort implements communication with lbs

SerialPort implements communication with lbs Favorites 1. Drag a SerialPort named sp. 2. The key lies in the processing of datareceived events. . The baud rate setting is consistent with the meter setting: 1200 . Readbuffersize can be set to the

Android disables AlertDialog and androidalertdialog.

Android disables AlertDialog and androidalertdialog. 1 AlertDialog. builder builder = new AlertDialog. builder (getActivity (); 2 builder. setTitle ("test"); 3 4 LayoutInflater inflater = getActivity (). getLayoutInflater (); 5 View view = inflater.

Use C # WebService to Update client software

For project reasons, the implementation of customers is too far away from the author, consider providing software online upgrade function. How can we achieve it! Let's talk about the idea first. Ideas:First, implement WEB-based Development. We

Audio processing details

/*** By colico Email: colico@163.com* Http://blog.csdn.net/colico* Http://colico.ys168.com* Note: This is the original version of Xiao O. If you need to reprint it, please attach the above information.**/ This article is about how to handle the

Two ways to display the infinite tree row structure in the database

The following describes two unlimited menu display methods used in development. The first is to place the menu in the dropdownlist control. The Code is as follows: Private void maketree () { Int mainid = 0; Datatable dt = gettable (mainid );

RMI example (using RMI plug-in for eclipse)

RMI example The following example shows how to use the RMI technology. This example demonstrates how to upload a file to the server and download it from the server. To develop RMI using the RMI for Eclipse plug-in, follow these steps: (1) define and

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