C#

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; Namespace WindowsFormsApplication1{public partial class

When we use C # to develop programs, we often encounter the session is very unstable, always data loss. Here is a solution to the session data loss that I hope will be of benefit to you.1. Modify the session state save mode in the Web. config file,

This article mainly introduced the C # Implementation of XML document deletion and modification function, combined with examples of the creation of XML documents and C # for XML document loading and deletion and modification of the operation skills,

Let's start with the basic routing rules principle. The basic routing rules are from special to general arrangement, that is, the most special (non-mainstream) rules at the top, the most general (balm) rules at the end. This is because the matching

This article is mainly for you to introduce the ASP. NET data binding control, for everyone to parse the listbox, GridView, repeater three data-bound control "efficient paging", with a certain reference value, interested in small partners can refer

This essay continues:. NET synchronous and asynchronous thread-safe collections (11) This essay and the next two essays will cover the last chunk of the. NET Synchronization and Asynchronous series: the WaitHandle family. Abstract base class:

This article mainly introduces the MD5 encryption function and usage of C # implementation, and analyzes the definition and use method of C # MD5 encryption class with the example form, the friend who needs can refer to the following This paper

We usually use PowerPoint presentations when we have a meeting or a summary report, and we can add comments on a single slide or on all the slides so that the audience can get more information from the comments, and the friends you need can refer to

This article mainly introduces the simple application of ASP, combined with a complete example to analyze the principle of ASP and simple use of the method, the need for friends can refer to the following This example describes the simple

The following small series for everyone to bring a C # HttpWebRequest Access HTTPS error handling method. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. C #

C # http://www.php.cn/code/5392.html "target=" _blank "> Common functions 1, DateTime Digital type System.DateTime currenttime=new System.DateTime (); 1.1 Minutes and seconds of the current month and day Currenttime=system.datetime.now; 1.2 Take

Integer or decimal: ^[0-9]+/. {0,1} [0-9] {0,2}$Only numbers can be entered: "^[0-9]*$".Only n digits can be entered: "^/d{n}$".Only numbers with at least n digits can be entered: "^/d{n,}$".You can enter only the digits of the m~n bit:.

Using System.IO;Check that the upload file is not empty if (file1.postedfile!=null) { string nam = File1.PostedFile.FileName; Get the last "." In the file name (enclosing path). The index int i= nam. LastIndexOf ("."); Gets the

The following small series for everyone to bring a brief talk about the deep copy problem of list object in C #. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little

This article mainly for you in detail the C # Add Windows services, scheduled tasks related materials, with a certain reference value, interested in small partners can refer to The example of this article for everyone to share the C # Add Windows

This article mainly describes the C # in the array and ArrayList detailed and the relevant information, the need for friends can refer to the following The details and differences of array and ArrayList in C # One, the use of the Array Type[]

This article mainly introduces C # from the enumeration values to obtain the corresponding text description of the relevant information, the need for friends can refer to the following C # Gets the corresponding text description from the

Layered, new third board layered UI (user layer), BLL (business logic layer), DAL (data access layer ).The UI is used for display, such as some display styles and interface design. BLL is used to handle business logic problems. DAL deals with

C # Call the SQL server stored procedure, Go straight to the topic, record Namespace: using System. Data. SqlClient; Database LINK string: database link string format: server = {0}; database = {1}; uid = {2}; pwd = {3} // 0: server, 1: Database

[Reading Notes] C # chapter 10 of advanced programming, (1) Overview The array size is fixed. If the number of elements is dynamic, use the collection class. List is a collection class equivalent to an array. There are other types of collections: