DataTable,DataSet和Datagridview有什么区别? [英] What is the difference between DataTable , DataSet and Datagridview ?
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问题描述
你好,
我开始自学,偶然发现了DataTable,DataSet和DataGridView。我想知道这三者之间的区别以及这三者是如何相关的。?
Hello ,
I started to self study and stumbled upon "DataTable", "DataSet" and "DataGridView". I would like to know the difference between these three and how these three are related.?
推荐答案
A dataset is an in-memory representation of a database-like structure. It can have one or more datatable and define relations between them, key field etc.
A datatable is an in-memory representation of a single database table. You can think of it as having columns and rows in the same way.
A dataview is a view on a datatable, a bit like a sql view. It allows you to filter and sort the rows - often for binding to a windows form control.
DataGridView
是一个从DataTable
,DataView
或获取数据的控件数据集
。
DataTable
是一个内存表。
DataSet
是DataTable
对象的集合。
DataGridView
is a control which gets data fromDataTable
,DataView
orDataset
.
DataTable
is an in-memory table.
DataSet
is a collection ofDataTable
objects.
.NET DataTables,DataSet和DataGrids实用指南 - 第4部分 [ ^ ]
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