C#

Custom XML dynamic configuration program, custom xml dynamicOverview 1. When developing programs, we often need to use the following two basic modules: 1> set basic program parameters, such as paging parameters and mail parameters; 2> in table-based

C # Data Center reconstruction-report productionPreface Different from other report software that VB needs to reference, VS has its own report design function. The first attempt is to feel its power.Report Creation Let's not talk much about the

Dictionary set dictionary and constructed applications ==> health check plan project, Dictionary plan Effect First, let's prepare the classes we need. 1. Check the project class Using System; using System. collections. generic; using System.

C # Development Series (3)-getting interface call creden》,3.0 obtain interface call CREDEN   ① Interface Description   Access_token is the globally unique ticket of the public account. access_token is required when the Public Account calls each

[C # advanced series] 00 order, The book CLR via C # has long been recommended by many people, but it has never been learned. Because the. NET skills required in the work are sufficient for the moment, but the front-end is not familiar, so I ran

C # obtain URL parameters, Suppose the full address of the current page is: http://www.test.com/aaa/bbb.aspx? Id = 5 & name = kelli "Http: //" is the protocol name. "Www.test.com" is a domain name "Aaa" is the site name "Bbb. aspx" is the page

C # create a unique order number. Considering the time,   We mainly want to consider the date and other factors.   Use the RNGCryptoServiceProvider class to create a unique maximum of 8-digit string.   private static string GetUniqueKey()

ArrayList, Hashtable, List , Dictionary , arraylisthashtable 1. ArrayList ArrayList list = new ArrayList (); // for traversing for (int I = 0; I 2. Hashtable Hashtable list = new Hashtable (); // Hashtable cannot be accessed using indexes, so

Npoi export excel, npoiexcel First, use the Nuget Package Manager that comes with Vs to download and install npoi 2.0. If the NuGet package option is not available, search for NuGet in the menu --> tool --> Extension Manager. Then write a method

C # obtain the Stored Procedure return value, C # obtain the returned values of stored procedures. This method is always easy to forget. It is posted today to facilitate the next use. Stored Procedure:Create procedure [dbo]. [Proc_GetInfo] @ Ywdm

In-depth. NET Framework and. net Framework. NET is a strategy (Platform) launched by Microsoft in 2000 ). The goal is to allow anyone to access the services provided by Microsoft anywhere using any terminal device.  . NET Framework two components:  

Usage of HashTable in C, 1. Brief description of the hash table (Hashtable) In. in the. NET Framework, Hashtable is System. A container provided by the Collections namespace is used to process and present key-value pairs similar to the keyvalue. The

[Convert] Unity3d to MonoBehaviour's rewritable function arrangement, unitymonobehaviourUnity3d unibehaviour rewrite function arrangement I recently learned about Unity3d. Although many documents have been recorded, I will record it for my

C # small knowledge point accumulation, 1,Sealed Modifier Concept: C # proposes a sealed class to help developers solve this problem. The sealed modifier is used in the Declaration to prevent the class from being inherited by other classes. If you

The object is not referenced to the instance. The object references the instance.Attribute or method called to an object when the object is null "Not referencing objects to instances" is a problem that many beginners like me often encounter. It is

Modify images and watermarks in batches. The effect is as follows: Public void plAddSY (object sender, EventArgs e) {// C # traverse all the files in the specified folder DirectoryInfo TheFolder = new DirectoryInfo (Request. physicalApplicationPath

A usage scenario of ReaderWriterLock's UpgradeToWriterLock method, lockmode. upgrade The advantage of ReaderWriterLock compared with mutex lock is that the Read and Write locks are separated from each other. Of course, this article focuses not on

Layer-3 logon-c # After learning the three layers, there is a small logon form exercise, which is the first time we have been in touch with the three layers. Now, I just learned a little bit about it, and I still need to learn a lot about it. Let's

Database generic category, database generic Private static string connString = ConfigurationManager. ConnStrings ["connString"]. ToString (); // Add the corresponding database connection configuration file in app. config. 1. Format SQL statements //

At least one object must implement IComparable, shemustbeatleast Chinese: at least one object must be implemented as IComparable. This error is reported in sequence sorting. LstReports. OrderBy (r => new {r. DepartmentName, r. ReportNo}). ToList (