catch return

The return in try... catch... finally has always been a hot test site for the interview. It can be divided into the following situations: 1. If a finally statement exists and return exists in try, the finally content is executed before the return

Executing a try before executing a statement in Finally,catch may affect the execution of finallyfinally block, you can clean up any resources that are allocated in a try block, and you can run code even if an exception occurs in the try block."

Note: first, add reference system. Management in the project bin directory. Using system;Using system. Collections. Generic;Using system. LINQ;Using system. Web;Using system. Management; /// /// Computer Summary/// Public class computer{Public

Using System;Using System. Management;Namespace Soyee. Comm{/// /// Computer Information/// Public class Computer{Public string CpuID;Public string MacAddress;Public string DiskID;Public string IpAddress;Public string LoginUserName;Public string

Using system;Using system. Management;Namespace zgx. Common{/// /// Computer Information/// Public class computer{Public String cpuid;Public String macaddress;Public String diskid;Public String IPaddress;Public String loginusername;Public String

Using system;Using system. Management;Namespace soyee. Comm{/// /// Computer Information/// Public class computer{Public String cpuid;Public String macaddress;Public String diskid;Public String IPaddress;Public String loginusername;Public String

First, the service is introduced and then calledThis article is reproduced from http://blog.sina.com.cn/s/blog_7eeb43210101hf7f.html Public classComputer { Public Static stringCpuID;//1.cpu Serial Number Public Static

First introduce the service and then call the This paper is reproduced from http://blog.sina.com.cn/s/blog_7eeb43210101hf7f.html public class Computer {public static string CpuID;//1.cpu serial number public static string MacAddress;//2. Mac

Entity Framework-DB First method, entityframework EF (hereinafter referred to as Entity Framework) has three methods: DataBase First, Model First, and Code First. The following is the Db First method: 1. There are two tables in the database. One is

Try-catch in-depth understandingLet's look at an example (example 1) to explain the process of try, catch, finally in Java 1234567891011121314151617181920212223 publicclassTryCatchFinally

The Code is as follows: Using system;Using system. Collections. Generic;Using system. text;Using system. net;Using system. Threading;Using system. net. Sockets;Using system. Windows. forms; Namespace mobilesocketctl...{// ClientClass

/*************************************** ************************************ Instructions ** 1. Obtain the database connection. The returned value must be null ----------- getsqlconnection. * 2. Return dataset --------------------- getdataset

Encapsulation | Registry using System; Using System.IO; Using System.Runtime.InteropServices; Using System.Text; Using Microsoft.Win32; Namespace Wjb.readorwriteiniandreg { Summary description of the Rwreg. Registry Action Class Class Library

Create a class and read the information. The call code is as follows.Hardinfoclass myclass = new hardinfoclass ();Textbox1.text = myclass. getharddiskid ();Textbox2.text = myclass. getcpuid ();Textbox3.text = myclass. getnetcardmac ();Textbox4.text =

In C #, how does one modify, add, delete, and insert XML files? It is known that there is an XML file (bookstore. XML) as follows: Oberon's legacy corets, Eva 5.95 1. Insert a node to the node: Xmldocument xmldoc = new xmldocument ();Xmldoc.

Create a computer hardware information class and read the information. The call code is as follows.Hardinfoclass myclass = new hardinfoclass ();Textbox1.text = myclass. getharddiskid ();Textbox2.text = myclass. getcpuid ();Textbox3.text = myclass.

Create a class. And then read the information. The calling code is as follows.Hardinfoclass myclass=new Hardinfoclass ();Textbox1.text=myclass. Getharddiskid ();Textbox2.text=myclass. Getcpuid ();Textbox3.text=myclass. Getnetcardmac ();Textbox4.text=

Using System; using System. collections. generic; // Listusing System. data; using System. data. oleDb; using System. diagnostics; // Processusing System. IO; using System. reflection; // Missing. valueusing System. text. regularExpressions; //

Using System;Using System. Security. Cryptography;Using System. Collections. Generic;Using System. Linq;Using System. Text; Namespace CommHelper{Public class CEntrypt{Private static string sKeyForEncryptTitle; Public CEntrypt (){} # Region decrypts

Using ASP. NET to operate IIS allows you to create virtual directories, virtual sites, delete virtual directories, and lists. Key: ASP. NET users are not authorized to operate IIS, so they must be granted a high level of permissions. Method 1: add