catch system

Using system;Using system. IO;Using system. text;Using system. Security. cryptography;Using system. Web;Namespace test. com{/// /// Desencryptor abstract description./// Public class desencryptor{# Region private member/// /// Input string///

// Encrypted string. Note that the strencrkey length is 8 bits. (to increase or decrease the key length, adjust the IV length)Public String desencrypt (string strtext, string strencrkey)　 // Decrypt the string. Note that the strencrkey length is 8

For the features of the net program, how can we provide its performance? There are no skills here. Regular operations are the core of improving performance! 1: Avoid using arraylist Because any object to be added to the arraylist must be of the

Using system; Using system. Collections. Generic; Using system. text; Using system. Data; Using system. configuration; Using system. Web; Using system. Web. UI; Using system. Data. oledb; Namespace solog. acesstask ...{ /** // /// Auxiliary class

C # When using some APIs provided by outlook, You need to reference Outlook-related com to the project. The specific method is to use vs to open the project and add reference to the project. On the com tab, select Microsoft Outlook 12.0 object

Using system;Using system. Data. sqlclient;Using system. Data; Namespace webshop{/// /// Summary of common./// Public class common: idisposable{String sqlconn = system. configuration. configurationsettings. appsettings ["sqlconn"]. tostring

1. Use the ToString method of Value Type When connecting strings, you often use the "+" sign to directly add numbers to strings. This method is simple and can get the correct results. However, because different data types are involved, the numbers

From: http://social.microsoft.com/forums/zh-cn/2219/thread/A34FFC62-072F-441C-868C-ED1293A90697 1) Avoid using ArrayList.Because any Object to be added to the ArrayList must be of the System. Object type. When retrieving data from the ArrayList, it

Method 1: Use the inf file Note: ** The Error message "Error 1053: the service did not respond to The start or control request in a timely fashion." is displayed when the registered service cannot be started .), unable to find the cause, give up **:

1. Use the tostring method of Value Type When connecting strings, you often use the "+" sign to directly add numbers to strings. This method is simple and can get the correct results. However, because different data types are involved, the numbers

1. Use the tostring method of Value TypeWhen connecting strings, you often use the "+" sign to directly add numbers to strings. This method is simple and can get the correct results. However, because different data types are involved, the numbers

Optimize. Net Performance1) Avoid using arraylist.Because any object to be added to the arraylist must be of the system. Object type. When retrieving data from the arraylist, it must be split back to the actual type. We recommend that you replace

Latest Snippet Version: 0.1 Using System;Using System. Net; Using System. Net. Sockets;Using System. Threading;/*Copyright (c) 2002, Stefan Muenzel (smuenzel@users.sourceforge.net)All rights reserved. Redistribution and use in source and binary

Create a C # serial communication program, Create a C # serial communication program on the. NET platform. NET 2.0 provides the serial communication function. Its namespace is System. IO. Ports. This new framework can not only access the serial port

VS Exception handling Conventional The try may produce an exception to the code, when a row produces an exception, the line below the code does not execute, go to the catch to start the catch (System. Exception e) e.message e.finally can be

C #-VS Exception Handling,VS Exception Handling General Try may generate abnormal code. If one line produces an exception, the code below this line will not be executed, go to catch to start executing catch (system. exception e) e. message e.

C # create an Excel file and export the data to an Excel file,Tool raw materials: Windows 7, Visual Studio 2010, Microsoft Office 2007Create a solution Menu> new project> Windows Forms Application: Add related components: Add two dview datagri, one

Create a C # serial communication program, Create a C # serial communication program on the. NET platform. NET 2.0 provides the serial communication function. Its namespace is System. IO. Ports. This new framework can not only access the serial port

  The "system. net. Mail" provided in. NET Framework 2.0 can be easily implemented. This article lists three methods for sending:1. Use localhost;2. Use normal SMTP;3. SMTP over SSL; For example: 1. Use localhost   Public void

The "system. net. Mail" provided in. NET Framework 2.0 can be easily implemented. This article lists three methods for sending: 1. Use localhost;2. Use normal SMTP;3. SMTP over SSL; For example: 1. Use localhost Public void sendmaillocalhost ()