throw new exception

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throw new Exception

throw new Exception (String, Exception)throw new Exception (String)Throw is a definite throw exceptionMsdn:exception (String, Exception) Initializes a new instance of the Exception class with a specified error message and a reference to the inner

Meaning of throw new exception in Catch Block

Throw new exception (string, exception) Throw new exception (string) Throw explicitly throws an exception. Msdn: exception (string, exception) initializes a new instance of the exception class by specifying the error message and referencing

Detailed application description of asp.net Throw new exception

Throw new exception I have seen some people use throw new to participate in business logic in simple functions. For example, the following code: Catch (exception ex){String error = ex. message;} Public object dosomething (string username){Try{If (

Four arithmetic testing and encapsulation (improved) 5.2 5.3

A pair of Friends: Chen Shu-yun http://www.cnblogs.com/babybluecsj/ II. (1) I used my friend's last 5.1 job for unit testing. I found that when the divisor is zero, no exception was thrown during the operation, so we added    1.     if(fh2==‘/‘){    

Asp.net database connection code (SQL)

Copy codeThe Code is as follows:Public class SqlOperation{# Region attributes/// /// The connection string stored in Web. config/// Protected static string connectionstring = System. Configuration. ConfigurationManager. ConnectionStrings ["hao"].

asp.net database connection Class Code (SQL) _ Practical Tips

Copy Code code as follows: public class Sqloperation { #region Properties The connection string saved in the web.config protected static string connectionstring = system.configuration.configurationmanager.connectionstrings["Hao".

My Web Control Development Experience (2)--General class modification

Don't want to have too many unknowns. If you inherit from control, you feel too much of the unknown.Try 1: Create a normal class library, to be public: using System; namespace test1{ public class Test1{}} Compiled into a DLL, ready

Build a three-tier General DAL Class Based on Linq

Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;Using System. Data;Using System. Data. Linq;Using Models; Namespace DAL{Public class CommandDAL where T: class{Public DataProjectDataContext db; Public CommandDAL

The depth exploration of PHP 5.0 exception handling mechanism

Exception handling This article is intended for programmers who want to learn about the PHP5 exception handling mechanism. Read this article you need to have some object-oriented programming and PHP basics. The following member methods are required

In-depth exploration of PHP 5.0 Exception Handling Mechanism

Introduction: This is a detailed page for in-depth exploration of the PHP 5.0 Exception Handling Mechanism. It introduces PHP, related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: //

C # computing time-determine the week by date and determine the date range by week

Using System;Using System. Globalization;Namespace ConvertDateTime{/// /// ConvertDateTime returns a brief description of the specified parameters. /// Public class ConvertDate{Public ConvertDate (){}//************************************** *********

Php Exception Handling trycatchExceptions-PHP source code

Ec (2); directory & nbsp; 1. & nbsp; what is an exception & nbsp; 2. d Entry & nbsp; 3. custom exception & nbsp; 4. & nbsp; multiple exceptions & nbsp; 5. throw an exception again & nbsp; 6. & nbsp; Program Stream exceptions & nbsp; 7. & nbsp;

ASP. NET data handler class

Using System;Using System. Data;Using System. Data. SqlClient;Namespace SysClassLibrary{/// /// Summary of DataAccess./// data processing base class. Call method: DataAccess. dataSet (string) sqlstr); or DataAccess. dataSet (string) sqlstr, ref

PHPPDO for MYSQL encapsulation

PHPPDO for MYSQL encapsulation /** * Auther soulence * Call a data file * Modify 2015/06/12 */ Class DBConnect { Private $ dbname = null; Private $ pdo = null; Private $

Asp.net (C #) layer-based Class

Using System;Using System. Collections;Using System. Collections. Specialized;Using System. Data;Using System. Data. SqlClient;Using System. Configuration; Namespace LiTianPing. SQLServerDAL // you can change it to The namespace name of the actual

Common Operations in. net

Operatedatabase. CS file code: Using system;Using system. Data;Using system. collections;Using system. Data. sqlclient;Using system. configuration; Namespace gogofly. operatesqlserver{Public class operatedatabase{# Region defined attributes /// ///

PHP exception handling Try Catch exceptions

Directory 1. What is an exception2. D Introduction3. Custom Exceptions4. Multiple exceptions5. Throw the exception again6. Exception to program flow7. Top level Exception Handler8. Error code9. The SUMMARY What is the exception. With the advent

Three types of asp.net database connection classes

Connecting to the SQL Server database The code is as follows Copy Code Using System;Using System.Collections;Using System.ComponentModel;Using System.Data;Using System.Data.SqlClient;Using System.Drawing;Using System.Web;

asp.net data Access class _ Practical Tips

Using System; Using System.Data; Using System.Data.SqlClient; Namespace Sysclasslibrary { Summary description of the DataAccess. data base class, invocation mode: Dataaccess.dataset ((String) sqlstr), or Dataaccess.dataset ((string)

asp.net data access class

asp.net| Access | data using System; Using System.Data; Using System.Data.SqlClient; Namespace Sysclasslibrary { Summary description of the DataAccess. data base class, invocation mode: Dataaccess.dataset ((String) sqlstr), or Dataaccess.dataset (

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