catch system

Method 1 Using System;Using System. Data;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 System. Web. UI.

One data table: Student ( Studentid varchar2 Studentname varchar2 ) Data: Studentid studentname 001 002 002 002 003 2nd step package creation:Create or replace package PKG_SELECT_STUDENTASTYPE T_CURSOR is ref cursor;PROCEDURE Getusername(Us_id IN

Source: http://mcdelfino.blog.51cto.com/2058744/661211 The param array allows us to write only one method to accept variable parameters. this technique is a parameter array, which is essentially a parameter declared using the params keyword. in

UsingSystem; UsingSystem. Data; UsingSystem. Configuration; UsingSystem. Collections; UsingSystem. Web; UsingSystem. Web. Security; UsingSystem. Web. UI; UsingSystem. Web. UI. WebControls; UsingSystem. Web. UI. WebControls. WebParts;

Original article title: Connection Pooling and the "Timeout expired" exception FAQ Source: http://blogs.msdn.com/angelsb/archive/2004/08/25/220333.aspx Author: angelsb System. InvalidOperationException: Timeout expired. The timeout period elapsed

In previous Web applications, uploading files was a very troublesome task. Now, with. NET, File Upload becomes easy. The following example implements the Multifile upload function. You can dynamically add input forms. There is no limit on the number

The source code is as follows: # Region Save the profile private void button_save_Click (object sender, EventArgs e) {SaveFileDialog saveImageDialog = new SaveFileDialog (); saveImageDialog. title = "Save profile chart"; saveImageDialog. defaultExt

It is short for language intergrated query, that is, "integrated language query". using LINQ, you can use database tables as classes, which is simple and convenient. Next we will give a brief introduction to the usage of LINQ in a short space.

Email sending mainly uses mailmessage and smtpclient. Using System; Using System. Collections. Generic; Using System. LINQ; Using System. Web; Using System. net. mail; ///   /// Email abstract description ///   Public

C # version Upload. aspx Multifile upload Function AddFile (){VaR STR = ''Document. getelementbyid ('myfile'). insertadjacenthtml ("beforeend", STR)} Multifile upload Width = "500px" borderstyle = "NONE" bordercolor = "white"> Upload.

    Using system. drawing; ------------------------------ Call: makethumbnail ("C: \ SDF. jpg", "C: \ sdfsss. jpg", 300, 40, "W ");   Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->   /

the format must be unified. Otherwise, the Program cannot be determined based on any criteria, # region returns a table in the opened workbook and forms a datatable /// /// returns a table in the opened workbook and form a datatable /// ///

First, Program After running, you must first press the start listener button. After the corresponding event is clicked, the program enters the listener status and the status bar is displayed accordingly. In this way, the local machine is equivalent

Autodesk. AutoCAD. applicationservices. application supports two contextmenu extensions: defaultcontextmenu and objectcontextmenu. Defaultcontextmenu: no shortcut menu is selected in the current context. Objectcontextmenu: select the shortcut

This article reprinted http://blog.csdn.net/imbiz/article/details/5648682 Exercise Using API. Implement the following functions: 1. Set the hotkey 2. Check the current activity window 3. Send messages to the activity window 4. Cancel the

1. Page jump: (1 server transmission Server. transer (http://www.cnblogs.com/daomul/); after directed to the new page, the original URL will still be displayed, the browser will not return to the original page, the history will not be recorded.

Recently, I collected the content of a webpage and obtained all the link addresses and titles. Httpwebrequest and regular expression are used,CodeNote: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/

C #. Net synchronous asynchronous socket communication and multithreading Summary Source: http://www.cnblogs.com/Silverlight_Team/archive/2009/03/13/1411136.html Synchronous socket communication Point-to-point online communication supported by

Original article: Outlook meeting room However, the method can only be used to send normal emails. If you want to initiate special emails such as meetings, you can use C # To Call The outlook API and its own API. After creating a project, add it.

I. Preface: P2P, short for peer-to-peer, is translated as peer-to-peer technology. When it comes to P2P, people will think of Napster. Napster makes people realize the power of P2P technology, and the P2P technology enters the vision of most