Asp. NET interactive bitmap form design (8)

Asp.net| Interaction | Design button Click event handler Next is the button click event handler for each button. Most simply add a new, drawn object to the drawing list, and then call the Invalidate on PictureBox to redraw with the updated drawing

The MessageBox class used in a asp.net

asp.net/// Customize Information dialog box public class MessageBox { Define a Web page to display user-defined error messages System.Web.UI.Page p; instance, the parameter is: This example: MessageBox mb=new MessageBox (this); This parameter

Take you into the ASP.net (1)

asp.net 1th Chapter ASP. NET Overview In Microsoft's. NET or Beta 1, it has been a great concern of developers. With the release of the official version, more and more people began to understand it. I believe you have learned through the web or

Asp. Application of the TreeView in net

Asp.net|treeview First you need to create a database table test with fields including Nodeid, ParentID, NodeName, Adderss, ICON, LinkurlNodeid is the unique identification of a node in the database, where it is set as an identifier for

A situation in which data is automatically intercepted when a stored data operation is performed in a asp.net

asp.net| Data | When doing something today, I found a very strange problem, the type of field set in database (SQL Server) is ntext, but the saved data is always very short, beginning to think that a length limit is set in a section of the program.

Encrypt passwords using ASP.net

Asp.net| encryption when we set up a database on the website, it is necessary to protect the user's information security. Most users do not want to let others know their own information, while network management also do not think because of security

News update system with asp.net and XML (1)

Asp.net|xml read a lot about. NET and read a lot about XML, and I've been fascinated by their charms. In the online forums, people are more passionate about. NET, and our colleagues came back from Microsoft and told me that XML is actually a better

Asp. The problem of using data processing to insert datum in net

asp.net| Insert | data | Problem many times, we will be accustomed to the database connection initialization process to Page_Load to do, in fact, there are advantages and disadvantages, the advantage is a unilateral issue, this method is very

News update system with asp.net and XML (3)

Asp.net|xml Finally, let's take a look at one of the most responsible pages, the role of which is to create new XML data. manage.aspx ASP Cool technology Information Network website content Publishing system Filename: Article

Asp. NET of application

Application|asp.net in asp.net application usage is the same as the ASP, almost nothing to say, but it has two more particularly useful events, Application_ OnBeginRequest and Application_onendrequest. Their same as the original Application_OnStart

How to post a message to another server using ASP.net

Asp.net| Server Summary: How to post a message using System with asp.net to another server; Using System.Web; Using System.Net; Using System.IO; Using System.Text; Namespace SendMessage { public bool Sendmsg (Msginfo msg) { Create

Using ASP.net to obtain the Mac of the client NIC

Asp.net| Client Using System.Text.RegularExpressions;Using System.Diagnostics;public class Test{Public test{}public static string Getcustomermac (String IP)//para IP is the client ' s IP{String Dirresults= "";ProcessStartInfo psi = new

Asp. NET WebForm Component CheckBoxList programming (4)

Asp.net|web| programming Five. The source code (check.aspx) and the execution interface: The following figure is the resulting interface after executing the source code (check.aspx): Check.aspx source code is as follows: CheckBoxList

ASP.net's Request object

The Asp.net|request| object Request object actually operates the class HttpRequest in the System.Web namespace. When a client issues a request to execute a asp.net program, the CLR wraps the client's request information in the Request object. These

asp.net StreamReader Create a file

asp.net|stream| Create Namespaces used: System.IOThe files we want to create require asp.net users to have certain privileges! Using System;Using System.Collections;Using System.ComponentModel;Using System.Data;Using System.Drawing;Using

Asp. NET upload download file

asp.net| Upload | download Check that the upload file is not emptyif (file1.postedfile!=null){String nam = File1.PostedFile.FileName;Gets the last "." in the filename (enclosing path). The indexint i= Nam. LastIndexOf (".");Get file name

Import data from table in asp.net to execl

asp.net| data//definition document type, character encoding Response.Clear (); Response.buffer= true; Response.charset= "GB2312"; The following line is very important, the attachment parameter means that as an attachment to download, you can change

File processing in asp.net (1)

asp.net a programming language, the size of the ability to document processing is often a manifestation of the size of a language function. In asp.net, the processing of a file is implemented primarily through a System.IO namespace in the. Net

File processing in asp.net (3)

asp.net three. ASP. NET page for file write operations: The running interface of this program is shown in the following illustration: Figure 3: Program Run interface 1. The main ideas and steps in program design: The program language used in

Characteristics of SqlCacheDependency in asp.net 2.0

Asp.net|cache ASP. NET in the page cache is a very useful dongdong, as long as the simple above the page with a outputcache tag, you can make the page in the development of the duration directly in the cache to automatically save the page content

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