net framework v4 0

Npoi is the. NET version of the POI project. Poi is an open source Java program that reads and writes Microsoft OLE2 component documents such as Excel, Word, and so on.With Npoi, you can read and write Word/excel documents on a machine that does not have Office installed or the appropriate environment. Npoi is built on the POI 3.x version, which can read and write word/excel documents without Office installation. With Npoi, you can read and write Word

. writeline ( " Taskmethod [multi-task ]: " + (De2-DS2). totalmilliseconds. tostring ());Console. Readline ();} 4. Execution result Conclusion: The results show that the performance of multi-thread or multi-task is significantly higher than that of serial mode. Multi-threaded or multi-task execution efficiency is not much different, and the underlying implementation of the. NET Framework may be r

. NET Framework System. Array. Sort Array class, which converts arraylist to an ArrayContent Custom class Array. Sort References System. Array. Sort has many set operations, such as sorting, searching, and cloning. You can use this class to deepenIComparer, IComparableUnderstanding of generic delegation, anonymous methods, and Lambda expressions.Download Demo custom class Two custom classes:PersonAn

Original post address: http://blog.csdn.net/hhxshhxs88/archive/2009/07/25/4379621.aspx Package and install in. netProgramIf you select. netfx3.5 SP1], and set the installation location of the required system components to [Download necessary components from the same location as my application ]. The following error message is displayed: [the required installation location is not set to "component supplier's website". You cannot find XXXXX In the "Microsoft.

Various types of conversion methods in the. NET framework can be described as varied. Here, various types of conversion are summarized as follows (take C # as an example ): I. type conversion of a single variable: 1 unforced type conversion: Unless otherwise stated, the compiler will automatically complete the conversion, such as int A = 0; float B = A; dou

The implementation of smartnavigation in. NET Framework 2.0 is the same as that in 1.1, but there are three changes:The first is to add a state parameter "_ smartnavpostback", which is implemented by a hidden domain. When attachform is added to IFRAME _ smartnav, It is dynamically inserted into the from. The status of window. _ smartnav. init is set to true (the default value is false), but this status is n

Through the previous article, I believe that you have a basic understanding of Quartz. Net and can establish the simplest service. This article describes how to set Trigger conditions for a service. According to the scenario, I usually encounter the following situations at work: 1. Execute when the service starts This Trigger has been used in the previous example. If you do not need to talk about it, directly add the code. ITrigger trigger = TriggerBu

downloaded from the Internet and is an OA database. 6. New Entity Data Model7. Modify the configuration fileBecause the global configuration is used in the Web project, the configuration in App. config is copied to the Web . config in8. Add references between projectsModelIdal-->modelDal-->idal,ModelIbll-->modelBLL-->IBLL,idal,Model,DIWEB.LOGIC-->IBLL,Model,DIWeb-->web.logic,ModelRight-click the solution-project dependencies to view references between projectsSuddenly

+""; } } }); $("#Submenu"). HTML (HTML); } //determine if there are child nodesfunction Isbelowmenu (moduleid) {varCount =0; $.each (Startmenujson, function (i) {if(Startmenujson[i]. ParentID = =ModuleID) {Count++; return false; } }); returncount; }The above is the page to load the menu code, the background to write something? To get the menu information, we put the menu icon, name, pa

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. htmlcontrols; using system. security. cryptography; using system. io; using system. text; // // Security summary // security class implements encryption and decryption under the. NET

ViewBagPostregister is also a line to complete the background verificationView1. Quote JS and write the initialization function.2, put @html.raw (Viewbag.validationbind) on the bottom of the page@{viewbag.title = "Register"; Layout = null;} CompleteForm Ugly point, full-featured, based on the validate.js CSS support is good can. Self-beautificationII. Ajax notationchange the submit to a button, and the rest will be the same. A little bit more codeDemo Download:Http://git.oschina.net/sunkaixuan/

Today's articleArticleThe topic is how to obtain the MRU (recently opened file list) in a windows mobile device) There are two methods for obtaining MRU. First, we will introduce how to use. Net to develop --- access the registry. In the Registry: [HKEY_CURRENT_USER \ Software \ Microsoft \ shell \ taskswitch], information in all MRU is stored. There may be many accesses, but when Windows Mobile displays, it only displays items starting from

SQL ce is the most commonly used database in Windows Mobile and Windows. SQL ce is also called SQL Server for Windows CE and SQL Server Mobile Edition. The latest version is named SQL Server Compact 3.5 SP1. SQL Server Compact can not only run on Wince and Windows Mobile, but also on Windows PC. It is an effective alternative to Access. If you do not use stored procedures, programs developed under SQL Server Compact can be transplanted to other SQL Server versions without modification. See this

The printing function of Microsoft. NET Framework is provided as a component. Program Personnel provide a lot of convenience, but the use of these components is still very complex, it is necessary to explain. Print operations generally include the following four functions 1. Print and set some printer parameters, such as changing the printer driver. 2. Set page size and paper type on the page 3. print

Support for ASP. net mvc and WebFroM Form Verification Framework ValidationSuar, 1. Support for dual verification between the javascript end and the backend (the front end currently depends on jquery. validate. js and can also be expanded by itself) 2. concise code 3. Convenient calls 4. Complete Functions Usage: Create an initialization class and initialize all the items to be verified in the class. The sy

The. NET Framework 2.0 and SDK official versions are available for download. Here: Http://www.microsoft.com/downloads/results.aspx? Productid = C9C8FCFB-BFF3-40CA-B59D-216F6850000A categoryid = freetext = framework displaylang = en displayenglishalso = sortcriteria = Date startdate = period = 0 type = Nr = 20

Code has been uploaded github+gitee, at the end of the article has an address The book connected to the above: in the first few articles, we took three days to simply understand the next interface document Swagger Framework, has completely liberated our previous Word document, and can be debugged online, and when the project started, we can define some empty interface, or can return false data, This really reached the front and back end does not wait

c#2.0 corresponds to. NET Frmework2.0, the Start version tool is visual Studio2005C#2.0 mainly adds generics, anonymous methods, partial types (classes, structs, interfaces), nullable types, iterators, property Access Controllers, method group conversions, covariance and contravariance, static classes, delegate inference1. Generics: generic type1 Public Static BOOLGreattowheret:icomparable2 {3 if(T.compareto (T1) >

; other methods include sqldatareader, oracledatareader, dataset, datarow, and dispose.. net, but it also contains some optimization operations. For example, when large data is stored, dataprovider automatically enables the cache mechanism to improve data read efficiency. ● Isline. Data. dataprovider namespace: This namespace is the subject of dataprovider, which completes data storage operations. It depends on namespaces: isline. Security. crypto

This article should be counted as the continuation of the Razor engine analysis, or the analysis is the previous article.Why?1. Asp. Net MVC is not very good either.2. I have my own agile Web framework and still want to use the Razor engine.3. dynamic compilation is very interesting. This is also a trend in the future. If someone is interested, I would like to write this content.However, there are not many