what generic collection

The 5th Chapter Medical Examination Package Management System1. Review of the course contentThe 1th chapter: in-depth. NET Framework. NET Framework ComponentsThe role and composition of the CLR. NET Program compilation process. NET Core class

Implementation results:When you click the Grade drop-down box value, get the Account drop-down box valueOne: Load grade drop-down box valueGradedal Layer: Retrieves a collection of all grade names, returns a generic collection list public

When we write software in a three-tier architecture, we often encounter issues such as the problem of a pass-through between three layers: Suppose we query the data in the D-tier as a DataTable type, then we use this data on the B-layer and even the

One, value types and reference types in C #It is well known that there are two basic types in C #, each of which are value types and reference types, and each can be subdivided into the following types: What are value types and

This paper summarizes the common optimization principles of high-efficiency C # Coding, which is of great reference for C # programming. Specifically listed below:1.foreach VS for statementForeach has better execution efficiency than forThe average

To select the correct set, we must first understand some data structure knowledge. The so-called data structure is a set of data elements with one or more specific relationships between each other. Let's take a look at the classification of the set.

Recently, due to the company's business needs, the original use of C ++ is now changed to Java. There is no way. It took me some time to read java. I feel that Zhang Xiaoxiang's high-paying video tutorials are quite good! However, I did not find

Generics are widely discussed. Here we only write about them as a beginner's understanding. Generics are most often used in collection classes. One obvious advantage of generics is that it can avoid the cost or risk of forced

What is annotation ): Annotation (annotation) is a kind of metadata provided by Java.ProgramThe element in associates any information with any metadata (metadata.Annotion (annotation) is an interface. The program can obtain the annotion object of

/// /// Convert a collection class to a able /// /// set /// Public static datatable todatatable (ilist List) { Datatable result = new datatable (); If (list. Count> 0) { Propertyinfo [] propertys = list [0]. GetType (). getproperties

What is Annotation ): Annotation (Annotation) is a way and method for Java to associate any information with any metadata (metadata) in elements of a metaprogram. Annotion (annotation) is an interface. The program can obtain the Annotion object of

Author: cleverpig (author's blog: http://blog.matrix.org.cn/page/cleverpig) Original article: http://www.matrix.org.cn/resource/article/44/44055_Java+Annotation+Reflect.html Keywords: Java, annotation, reflect Preface:In the previous article "Java

Java annotation manual [transfer] I. What is annotation? Annotation provides a way to associate any information or metadata (metadata) with program elements. In some ways, annotation is used like a modifier and applied to declarations of packages,

Reprint http://www.cnblogs.com/peida/archive/2013/04/23/3036035.htmlIn-depth understanding of Java: Annotations (Annotation) Basic conceptsWhat is an annotation (Annotation):　　Annotation (note) Is that Java provides a way and a way for an element in

Core differences:IQueryable the interface caches query expressions into expression tree expressions, and only when a real traversal occurs does the Iqueryprovider parse the expression tree and generate SQL statements to perform database query

What is an annotation (Annotation):　　Annotation (note) Is that Java provides a way and a way for an element in a meta-program to correlate any information with any metadata (metadata). annotion (annotation) is an interface that a program can use to

Introduced A common requirement for any data-driven application is the report. However, the ASP.net 1.x does not provide us with this very important feature. Fortunately, however, the ReportViewer control that comes with. NET 2.0 can meet some of

Computer room Toll system personal reconstruction version finally to fall the curtain, this 1.5 months experience of "pain" and the joy of success may also only oneself can experience it, now back to, carry on a summary, particles! Computer room

What is an annotation (Annotation):　　Annotation (note) Is that Java provides a way and a way for an element in a meta-program to correlate any information with any metadata (metadata). annotion (annotation) is an interface that a program can use to

Originally to define the WebServices method to return a generic interface collection IList, the system prompts that the generic interface collection cannot be serialized1 [WebMethod]2 public ilist getemployeelist ()3 {4 IFormatter formatter = new