C#

Test entities:[Tableattribute ("test_student")] Public classStudent:mybaseclass {/// /// /// [Columnattribute ("GUID", dbtype.ansistring, ISPK =true)] Public stringGuid {Get;Set; } [Columnattribute ("Name",

Comparison of #region Reference objects//////Comparison of Reference objects///////// public static bool Compareobject (object Obja, Object OBJB) {bool flag = false; if (Obja = = NULL | | objb = = NULL) {flag = false;

Work with the file upload function, under this share ~ ~ Controller: public class Picturecontroller:controller {private Ihostingenvironment hostingenv; Public Picturecontroller (Ihostingenvironment env) {this.hostingenv = env; }//GET://public

C # Performance Tuning details 1. Use ItemArray to realize batch assignment of DataRow When assigning values to all fields of a DataRow, using field names for column-wise assignment is less efficient. You should use bulk field assignments

3. Excel Export 3.1 Export process 3.2 Npoi Operation code Description: Convert list to Excel Steps: ① Create a workbook (Workbook); ② Create a worksheet (Sheet) on the workbook; ③ creates the first row on the worksheet, the first behavior column

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

As mentioned in the inheritance and abstract classes, there are these relationships between subclasses and methods of the parent class: Subclasses directly use the parent class method (but the parent method must be public or protected type); The

Because of NuGet, C # is very simple to configure a project. 1. Add Protocolbuffer and Grpc references in NuGet Protocol Buffer version 3.0, select Include prerelease in the NuGet plugin interface to find Google protocol buffer.If you do not select

As shown below: Final,override appears after the parameter list and the wake return type # include using namespace std;struct b{ virtual void F1 (int) const; virtual void F2 (int); void F3 (int) final;//error, final cannot decorate

This is the Win98 mine "advanced" field as an example of the basic code, will later write out all the field General Chapter The "Advanced" field of Minesweeper refers to Below is the OD and win98 minesweeper download Link:

Thread is also crazy ----- thread synchronization (2), ----- Thread SynchronizationKernel Mode Construction As mentioned earlier, kernel mode construction is much slower than user mode construction, one reason is that they require the cooperation of

Supports standard libraries and OSS. httphttpclient for underlying HttpClient reconstruction and encapsulation of oss. Http The OSS. Http project's support for the. Net Standard library has been migrated, and the two bottom-layer libraries of the

OSS. Common supports standard library for retrieving enumerated Dictionary lists, and oss. common Enumeration In the previous article (. Net Standard extension supports instance sharing), we introduced the Standard library support extension for OSS.

Serialization between object classes and xml, and xml serialization of object classes Reference

11. C # basic sorting (Special set and hash table ), Reference

Implementation of a State Machine Interface IState {string Name {get; set;} // handle IList Nexts {get; set;} Func Selector {get; set ;}} class State: IState {public string Name {get; set ;}= "State"; IList IState. nexts {get; set ;}= new List ()

Production of karaoke subtitles and karaoke subtitles Just implement the subtitle Effect of karaoke * The color of a word changes linearly, that is, the color changes over time rather than by the unit of words. So sometimes it is a part of the word

C # study notes 10, 1.Anonymous type: the anonymous type is a new feature of C #3.0, which is a strong type (the Code definition type automatically declared when the compiler is generated as a pencil in the background ), after declaring and

C # Study Notes 15, 1.Platform interoperability and insecure code: C # is powerful, but sometimes its performance is still somewhat inadequate, so we can only discard all the security it provides, return to the memory address and pointer world. C #