将连续列表项的值添加到另一个对象中并返回该对象 [英] Add values of consecutive list items into another object and return the object

问题描述

嗨伙计，



如果您能在我的查询中帮助我，我将不胜感激。我想将连续列表项的值添加到另一个对象中，并返回此对象的列表。

 var books = db.Books.Where（x => x.MembershipId == membershipId）。ToList（）。orderBy（x => x.BookName）; 
 
以上返回以下清单项目
 
 books [0]：BookName：MyBookName1 
 BookType：New Book 
 Value：Value1 
 
 books [1]：BookName：MyBookName2 
 BookType：New Book2 
 Value：Value2 
 
 books [2]：BookName：MyBookName3 
 BookType：old书3 
价值：Value3 
 
书籍[3]：书名：MyBookName 4 
书籍类型：新书4 
价值：Value4 
 
我想将'Value'中的连续列表值存储到另一个对象中，如
 
 MyObject.Name：Value1（来自books [0]）
 MyObject.Status：Value2（来自books [1 ]）
 
 MyObject.Name：Value3（来自books [3]）
 MyObject.Status：Value4（来自书籍[4]）
 
 
最后我想返回一个新对象列表，即。 
 
 Myobject [0]：名称：Value1 
状态：Value2 
 
 MyObject [1]：名称：Value3 
状态：Value4 
 
 
任何指针都将不胜感激。非常感谢你的帮助。

我的尝试：



尚未尝试编码。任何指针都将被赞赏。

解决方案

试试这个



创建一个包含2个属性的类

公共类MyClass 
 {
公共字符串名称{get; set;} 
公共字符串状态{get;设置;} 
} 

迭代书籍列表（增量为2）将Value属性存储在Name和Status中，如下所示

列表< MyClass> lst = new List< MyClass>（）; 
 For（int I = O; I< books.Count; I = I + 2）
 {
 String name = books [I] .Value; 
字符串状态=（I + 1）< books.Count？书籍[I + 1]。价值：; 
 MyClass obj = new MyClass（）; 
 Obj.Name = name; 
 Obj.Status =状态; 
 Lst.Add（obj）; 
 
} 
返回lst; 

我没有编译这段代码，照顾Typo，通过Mobile发布

Hi Folks,

Would appreciate if you can help me out in my query below. I want to add values of consecutive list items into another object and retun a list of this object.

var books = db.Books.Where(x => x.MembershipId == membershipId).ToList().orderBy(x=> x.BookName);

The above returns the following list items 

books[0] :  BookName: MyBookName1
            BookType: New Book
            Value   : Value1

books[1] :  BookName: MyBookName2
            BookType: New Book2
            Value   : Value2

books[2] :  BookName: MyBookName3
            BookType: old Book 3
            Value   : Value3

books[3] :  BookName: MyBookName 4
            BookType: New book 4
            Value   : Value4

I would like to store consecutive list values in 'Value' into another object like 

MyObject.Name   : Value1 (from books[0])
MyObject.Status : Value2 (from books[1])

MyObject.Name  : Value3   (from books[3])
MyObject.Status: Value4   (from books[4])


And eventually i would like to return a list of the new object ie.

Myobject[0] :  Name : Value1
               Status : Value2

MyObject[1] :  Name : Value3
               Status: Value4 


Any pointers would be appreciated. Many thanks for your help.

What I have tried:

Not yet attempted to code. Any pointers would be appreciated.

解决方案

Try this

Create a class with 2 property

Public class MyClass
{
Public string Name {get; set;}
Public string Status {get; set;}
} 

Iterate the books list (with increment of 2 )to store the Value property in Name and Status as below

List<MyClass> lst = new List<MyClass>();
For( int I =O; I< books.Count; I=I+2)
{
  String name = books [I].Value;
  String Status= (I+1) < books.Count ? Books[I+1].Value : "";
MyClass obj = new MyClass ();
Obj.Name = name;
Obj.Status = Status;
Lst.Add(obj);

}
Return lst;

I haven't compiled this code, take care of Typo, posted through Mobile

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