catch system

SQL statement Using SqlCommand to pass parameters:String strSQL = "SELECT * FROM [user] WHERE user_id = @ id ";SqlCommand cmd = new SqlCommand ();Cmd. CommandText = strSQL;Cmd. Parameters. Add ("@ id", SqlDbType. VarChar, 20). Value = Request ["id"].

    Use a named pipe in. NET to complete inter-process communication Have you ever had to exchange data between two. NET applications on the same machine? For example, a Web site and a Windows service ?. NET Framework provides several good options

About the implementation code of SharpZipLib compression and decompression, there is a pile of code on the network, all over the world, and even the comments are the same, the same articles are copied to copy ?? I use SharpZipLib. dll is generated

Note: This article from http://www.tzwhx.com/newOperate/html/3/31/312/13080.htmlVisual C # tutorial on Dynamically Operating SQL Server database instances: sqlhelper) The generic database category class introduced in this article is a base class

Using system;Using system. Collections. Generic;Using system. LINQ;Using system. text;Using system. IO;Using system. reflection;Using system. xml;Using system. xml. LINQ;Using system. Windows. forms;Using system. net; /* XML operation class: ruiky 20

The system. Threading namespace provides classes and interfaces that enable multi-threaded programming. There are three methods for creating threads: thread, threadpool, and timer. Next I will give a brief introduction to their usage methods one by

Zezeze... how can a good idea of every new technology be discovered/invented by foreigners ?? Can't the Chinese think of it? Or something else ........ In the previous article, I introduced how to use dynamicproxy to implement predictionlog .. the

Http://hi.baidu.com/trip008/blog/item/7c4f9c8f07cdcfecf11f3649.html C # is a general development tool for the. NET platform. It can build all. NET applications. All threads in. net run in the application domain (appdomain), which may remind you of

Collected online; added to favorites; Public class xmlcontrol { Protected string strxmlfile; Protected xmldocument objxmldoc = new xmldocument (); Public xmlcontrol (string xmlfile){//// Todo: add the constructor program code here.//Try{Objxmldoc.

Call ie: System. Diagnostics. Process myprocess = new system. Diagnostics. Process ();Myprocess. startinfo. filename = "iexplore.exe ";Myprocess. startinfo. Arguments ="Http://www.net0and1.com/";Myprocess. Start (); Call the default

ArticleDirectory I. Opening II. Introduction to this chapter Iii. Contents of this Chapter Iv. Application Analysis of ORM V. ORM design analysis Vi. Summary in this Chapter VII. Series progress 8. next announcement

After implementation: for non-ie and ie5 browsers, turn to the specified description page.If needed, you can expand your browser to different browser pages. Originally controlled in javascrpt,CodeThis makes it easier to use httpmodule. CS ---------

Using system;Using system. Data;Using system. Data. sqlclient;Using system. configuration;Using system. Web;Using system. Web. Security;Using system. Web. UI;Using system. Web. UI. webcontrols;Using system. Web. UI. webcontrols. webparts;Using

ArticleDirectory Introduction Background Tool Selection for copying or moving a site Spexport/spimport Copy/mobile website Verify source website Verify target website View spwebtemplate Export website Import

In our C # tutorial, we will also talk aboutC #Design ModeBut the C # design model involves a wide range of knowledge. We will use the topic to explain in depth the design model in the C # language system. This article focuses on how to better

Public class xmlcontrol{Protected string strxmlfile;Protected xmldocument objxmldoc = new xmldocument (); Public xmlcontrol (string xmlfile){//// Todo:Add the constructorProgramCode//Try{Objxmldoc. Load (xmlfile );}Catch (system. Exception

Class class class class class class category Part 3: OOP Technology Class class class class class class class class 1 constructor and destructor Does the compiler declare the default constructor? Can you declare the default constructor? If

CopyCode The Code is as follows: using system; Using system. Data; Using system. configuration; Using system. collections; Using system. Web; Using system. Web. Security; Using system. Web. UI; Using system. Web. UI. webcontrols; Using system. Web.

  Using system; Using system. Collections. Generic; Using system. componentmodel; Using system. Data; Using system. drawing; Using system. LINQ; Using system. text; Using system. Windows. forms; Using system. IO;   Namespace Treeview { Public

1. Create a Windows Application Project 2. Add 3 labels, 3 Textbox, and a buttom to the form. 3. Add a click event for the buttom button. Add the following code     Using system;Using system. Collections. Generic;Using system. componentmodel;Using