C#

method One, using Microsoft's Excel Operation classReferences: using Excel = Microsoft.Office.Interop.Excel;The code is as follows :         #region导出数据表:excle  (Microsoft's excel  operation Class)          ///        ///Export Data Sheet: Excle     

C # conversion between Stream and byte, I. BinaryConversionImage Creation   MemoryStream ms = new MemoryStream(bytes);ms.Position = 0;Image img = Image.FromStream(ms);ms.Close();this.pictureBox1.Image   2. in C #, byte [] and stringConversionCode   1

[Original] C # general permission management-program security check, you must consider this bit, I have been familiar with general permission for a year and now I am very familiar with it. I will share some good development ideas under general

(Conversion) control animation playback in Unity3D and unity3d animation playback It has been a long time to use Unity3D, but you can still learn new things every time you create a project. How can I play different animations in the upper and lower

FastSocket learning notes ~ Develop your own transmission protocol, fastsocket learning notes For TCP or UDP, they are used as the transport layer protocol and have their own standards or formats. Before we look at the TCP format, let's take a look

22. C # grouping and querying continuation and selection syndrome (Chapter 11, 11.6-11.7 ), There is another point of knowledge about yesterday's connection, that is, group connection. Is the content in 11.5. Add it. Group join format: join element

[C #] #100 call the camera, Requirement: because the project needs to get the user's profile picture, you need to use C # To call the camera to get the profile picture. Below is a method to call the camera. Case: call a DEMO of the camera 【]

FAXCOM and FXSCOMEX Fax programming, faxcomfxscomex The dl that needs to be referenced. The following information is used in the early stage: FXSCOM. DLL. Now Microsoft provides the corresponding extension, and the program set is FXSCOMEX.

23. C # Queryable Extension Method (Chapter 12 12.1-12.2 ), The knowledge to be written today is really a bit difficult. For the content in Section 1, it is actually to replace the data source originally in the memory with the data extracted from

Access modifier (C # reference ), In the first article, I copied something on the MSDN trainer !!! An access modifier is a keyword used to specify the accessibility of declared members or types. This section describes four access modifiers:

Some knowledge points of C, It is not allowed to merge the encoding in the ref or out mode. It seems that attention is similar to the field, but attention is essentially a method that does not really point to a memory location, therefore, it

Complete enterprise reimbursement system design scheme and enterprise reimbursement Design Scheme Complete enterprise reimbursement system design plan Prepared by: CC Dad     Today, I finally got a little idle. I opened my blog and saw that I

A simple Graph Search Algorithm     [Serializable]Public class VPoint{Public int ID {get; set ;}Public int X {get; set ;}Public int Y {get; set ;}Public bool IsFind {get; set ;}Public List Dependences {get; set;} // The vertex ID associated with

Return, continue, break usage and difference summary, returncontinue 1. Functions of return statements (1) return exits from the current method, returns to the statement of the method called, and continues execution.(2) return returns a value to the

C # It is easy to pay automatically when connecting to China Telecom, First, we need to change the payment for China Telecom to the previous figure, including the mobile and web versions. Address for Web: http:// B .bestpay.com.cn My previous figure

How to send and multi-thread round-robin emails to be sent By default, the C # program has a thread. This thread executes the code that starts and ends with the Main method. Every Command executed directly or indirectly by Main is executed by the

How to implement dynamic function module loading and dynamic function module through reflection The Assembly contains modules, while the module contains types and types including members. Reflection provides encapsulated assembly, module, and type

C # Basic Knowledge: C # class and structure (1 ), 1. What are the structural features? Implementation code?The structure is defined by the struct keyword, which is similar to the class but essentially different from the class. The structure is

Example of this pointer usage in C, This article mainly introduces the usage of this pointer in C #. It is a very important concept for beginners and must be mastered. If you need it, you can refer to it. This example demonstrates the usage of the

Prevents duplicate logic judgments or throws exceptions caused by zero returned data behavior when querying data. The following code uses the ORACLE database as an example: 1. DataSet data is returned. If the number of returned rows is zero, null is