C#

On Baidu's API ranging ——————————————————————————————————————————————————————————————————————————————————————Add Control WebbrowerAdding code to form loadString str_url = Application.startuppath + "\\HTM name. htm";              HTM to be placed in

The story behind the previous article – The Happy Lambda expression (i) we analyzed the lambda expression from the very first. Knowing the difference between it and the delegate as well as the common method, and comparing the performance between

Using system;using system.collections.generic;using system.linq;using system.text;using System.runtime.serialization;using system.io;using system.xml;namespace common.utility.xmlserialization{////DataContractSerializer//// p Ublic class

C # Performance Tuning details 1. Use String. Empty to assign an initial value to a null string variable String.Empty is a reference, and "" is the concrete realizationString Filter= "";//String filter=string not recommended. Empty;

It is interesting to know carefully about boxing and unpacking, first of all, why boxing and unpacking? Look at the following section of code: Class program { static void Main (string[] args) { ArrayList array = new

For ArrayList, if the Insert value type throws a boxing operation, and the value type is removed, the following ArrayList myarraylist = new ArrayList (); Myarraylist.add (40);//Boxing Myarraylist.add (80);//Boxing

1. ICollection Interface Arrays are the most basic collection types defined by the. NET Framework, and in addition to arrays, the. NET Framework defines a number of collection types. When you open MSDN, you see that all collections are under the

Prior to the concept of contact interface, in fact, the interface is a set of methods, properties, and then who inherited it, who will implement this set of methods and properties. That is to say, this class has some of the capabilities of this

This article mainly introduces the method that ASP. NET MVC uses the stored procedure to add the modified data in bulk, it is very good, has the reference value, the need friend can refer to the next With the entity Framework for database

This example describes the simple application of ASP. Share to everyone for your reference, as follows: Reflection provides objects (type types) that encapsulate assemblies, modules, and types. You can use reflection to dynamically create an

This article mainly introduces the ASP. System.Guid ToString Five format, the need for friends can refer to the following Reference: Https://msdn.microsoft.com/en-us/library/97af8hh4.aspx Test code: Using system;using

C # Working with Word documents Public partial class Form1:form {public Microsoft.Office.Interop.Word.Document Document; Public Microsoft.Office.Interop.Word.ApplicationClass WD = NULL; public string filename = null; private

C # formatting amounts for string types //////The amount is converted to a custom type of string based on precision///// Required accuracy // Amount to convert // converted amount public string formatestring (int. precision, double money)

When you are importing Excel data recently, verify that the data is duplicated: 1. Do you want to verify that the Excel data itself is duplicated? 2. Is the data in Excel duplicated with the data in the database? First, the way to verify that data

C # parses Json into datetable The #region parses the JSON into datetable////To parse JSON into datetable. Json data format such as:///{Table:[{column1:1,column2:2,column3:3},{column1:1,column2:2,column3:3}]}//// Json string to parse // return

before filtering: After filtering (only the exact same data is filtered out): The code is as follows: DataTable dt = this. Jsontodatatable ("[{\" code\ ": \" sortid\ ", \" name\ ": \" sortid\ "},{\" code\ ": \" sortcode\ ", \" name\ ": \" number

Original address: http://www.php.cn/ Suppose our company has two kinds of programmers: VB programmer, refers to use VB to write program programmer, with Clsvbprogramer This class, Delphi programmer refers to use Delphi to write program programmer,

C # bind all the descriptions and values in an enumeration to the drop-down list,   /// /// Obtain the description of the enumerated value. If there is no description, the enumerated name is returned./// /// enumeration value /// description

SQLite Chinese sorting and sqlite sorting Reference

C # Why can't a web application access classes under app_code, When using C # To develop a web application, you can create a website or an application. Applications use more of these methods, classes under app_code can be accessed under website,