catch exception ex

The difference between throwing an exception using throw and throw ex in C,   Generally, we use try/catch/finally statement blocks to catch exceptions, as we mentioned here. What is the difference between throw and throw ex when an exception is

Implement the ability to send messages in ASP., including sending nearby, HTML pages, pictures, and multiple sending objects.In the actual use of the queue, Threading technology, the purpose is to prevent the process of sending mail to hinder the

Ing of SQL CLOB in JavaTM programming language. SQLCLOB is a built-in type that stores CharacterLargeObject as a column in a row of a database table. By default, the driver uses SQLlocator (CLOB) to implement the Clob object, which means that the

Type reflection, late binding, and feature-based programming, reflecting late binding features1. Reflection Why pay attention to metadata? ------ Reflection Service In .net, all types of lists contained in a specified .dllor .exe assembly can be

Now let's take a look at the examples and tutorials of advanced technical tutorials in asp.net. Now let's take a look at the examples and tutorials of advanced technical tutorials in asp.net. This tutorial demonstrates how to obtain first-class

Method 1: generate a file based on the template and keep it in the html folder.Train of Thought Analysis:1. Write a custom HTM template with $ value $ to replace it.Include2. In the ASPX of the generated page, read the HTM template with StreamReader

Copy codeThe Code is as follows:Protected void SendMail (){Try{String CreaterName = "";String examiner = "";List mailList = GetMailList (ref CreaterName, ref examiner ); MailEntity me = new MailEntity ();MailEntity me_1 = new MailEntity (); Me.

ExtJsGridPanel shows code for adding, deleting, and modifying results. For more information, see. 1. First, let's take a look: 2. ext code The Code is as follows: /// Ext. namespace ('xqh. ExtJs. framework ');XQH. ExtJs. Frame. RoleManage =

First in the Oracle database to establish a Java object, this version of the SQLJ-SHELL can only support positive connections, reverse connections when there is a bug is not recommended to use, I don't know if ora supports Java or my personal

I. geometric objects The definition of geometric objects in the ArcSDE SDK is distributed in many places and they have different purposes. Some of the geometric object types are organized in the com. ESRI. Sde. SDK. Geom package and include seshape

JMS is a message service provided by. It can accept the messages sent by the message provider and forward the messages to the Message consumer ). 2. JMS provides two types of Message Service: (1) queue, that is, point-to-point. Each message is

Default. aspx: No title page Errormessage = "must be a jpg or GIF file" validationexpression = "^ ([A-Za-Z] :) | (// {2}/W +)/$ ?) (// (/W [/W]. * ))((.jpg |. jpg |. gif |. GIF) {$ Article $} quot;>   Default. aspx. CS: Using system;Using

Using system;Using system. Collections. Generic;Using system. LINQ;Using system. text;Using system. IO;Using system. runtime. serialization;Using system. runtime. serialization. formatters. Binary;Using system. Io. compression; Namespace dal{Public

We wrote an application.ProgramAfter the application is released, how can I deploy the upgraded version to the customer's machine after the application has a new version? My current practice is: If the upgraded version is an unimportant version,

Back up and restore databases using. netC # Two Methods for restoring sqlserver2000 Database Backup: Method 1 (sqldmo is not used ):////// Backup method///Sqlconnection conn = new sqlconnection ("Server =.; database = Master; user id = sa; Password =

The first time I wrote an api program, I used native php, and there was no restful requirement. If you only implement the function to return json data, it is easy to implement most of the functions. What should you pay attention to besides the

This article describes the two ways to convert. aspx to. htm, a friend you need can refer to, and hope to help you Method one: Based on template generation, remain in HTML folderThinking Analysis:1. Write a custom HTM template where you need to

 Web: http://www.whalin.com/memcached Latest: java_memcached-release_2.0.1 Operation example:Java code Import com. danga. memcached .*; Import org. Apache. log4j .*; Public class testmemcached { Public static void main (string [] ARGs ){ /*

Using System;Using System. IO;Using System. Xml. Serialization;Using System. Xml;Using System. Collections. Generic;Using System. Text; Namespace Discuz. Common{/// /// Serialize the base class./// Public class SerializationHelper{Private

Document directory 1. connection-oriented transmission protocol: TCP 2. Three network chat program modes 1. The server listens on the port 2. Connect the client to the server 3. The server obtains the Client Connection Introduction C # The