DataTable，DataSet和Datagridview有什么区别？ [英] What is the difference between DataTable , DataSet and Datagridview ?

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 from DataTable, DataView or Dataset.
DataTable is an in-memory table.
DataSet is a collection of DataTable objects.

.NET DataTables，DataSet和DataGrids实用指南 - 第4部分 [ ^ ]

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