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ArticleDirectory NH wins Where EF wins NH wins The LINQ syntax is quite comfortable, but hql is more powerful. Because there is no compile-time check, you can even use the attributes of sub-objects in the parent object. For the select n

/// /// Chunkhelper helps divide the sequence into several blocks.////// If totalitemcount is 11 and chunksize is 5, then:/// Chunk [0] 0, 1, 2, 3, 4/// Chunk [1] 5, 6, 7, 8, 9/// Chunk [2] 10/// Public class chunkhelper{/// ////// /// total

From http://www.cnblogs.com/ejiyuan/archive/2009/07/20/1527224.html public static class WhereInExtension {private static Expression> BuildWhereInExpression(Expression> propertySelector, IEnumerable values) {

namespace ExtensionMethods{using System;using System.Collections.Generic;using System.Linq;public static class IEnumerableExtensions {/// /// Invokes a transform function on each element of a sequence and returns the minimum Double value /// if

Public static class API {// // create an ordered guid. /// /// Public static guid newsequentialguid () {guid result; uuidcreatesequential (out result); return result ;} /// ///

Http://docs.jquery.com/Plugins/Autocomplete/autocomplete#url_or_dataoptions is written in the document But I use it like this. VaR A = new array ();# (...). AutoComplete (); This. source is not a function I checked the http://stackoverflow.com/

Today, the project encountered a very strange problem. When a customer in Beijing accesses the platform, sometimes the requested website cannot be obtained and the system responds (104) connection reset by peer "error. This platform is for

A session is the session Status of a single user. A sessionid is generated when a user accesses the website. Cookies coexist. Send this cookie every time you send a request to the server, and then retrieve the data stored by this sessionid from the

At the request of a friend, the content in a ComboBox control is changed, and the other ComboBox control is changed according to the type. Database The typename of the type table for cmbtype data binding. Write the following code in the

Method 1: The Command Prompt for enabling vs2008 is: View the user's workspace: Input: TF workspaces/owner: owner or */Server: server name or IP address Ex: TF workspaces/owner: stcct (owner)/Server: 203.156.1.100 (IP address) Delete the user's

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Select kmid, relatedcode, relatedid, receivabletype, qtytd, receivabledate, receivableenddate from vw_chg_receivableSelect newid () as kmid,

Sometimes you want to bind an object with multiple attributes to the ComboBox control of Silverlight, and bind multiple attributes to ComboBox; However, ComboBox binding in Silverlight does not have the value attribute, so you cannot use a

1. Create an IIS virtual directory, which contains all the files required to start the service (This section is not described for creating a service, installing IIS, and creating a virtual directory) 2. Indeed, the machine has installed.

There is no function like string. Split (C # does have) in Delphi. So if you need to split a string, you can use tstringlist to finish this work. With the code bellow, We can does split a string with a char. 1: function Split(aStrInput: string;

Public void datatableexcel (system. Data. datatable dtdata){System. Web. UI. webcontrols. DataGrid dgexport = NULL;// Current DialogSystem. Web. httpcontext curcontext = system. Web. httpcontext. Current;// Io is used to export and return an Excel

Today, I encountered a very depressing problem. I made a simple small page with a layout of Div, and dragged a map, toolbar, mapresourcemanager, and TOC control. After running it, JS reported an error, the error message is dragbox. divobject is

Document directory 1. Intention 2. Motivation 3. Structure 4. Code Implementation 5. Strategy Mode in. Net Architecture 6 key points of the Strategy Mode 1. Intention Define a series of algorithms, encapsulate them one by one, and make them

Document directory Observer Effect Motivation: Intent: Structure: Code implementation: Observer mode (Event Events) in. NET Framework) Key points of the observer Mode Observer Effect The observer promotes abstract coupling of the target,

  Address: http://www.c-sharpcorner.com/UploadFile/vendettamit/732/   This article lists some of the optimization tips for SQL Server development. Use views and stored procedures instead of heavy-duty queries. This can reduce network traffic,

Refer to the msdn article: How to: use com InterOP to create an Excel spreadsheet (C # programming guide) How to: Use a handle event of Visual C #. Net Excel   Code:   Private bool writetoexcel (string filepath, dataset DS) {excel. application oxl;