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返回通过执行 SQL 语句所更改、插入或删除的行数。
Public ReadOnly Overrides Property RecordsAffected As Integer
public override int RecordsAffected {get;}
对于 SELECT 语句或 CommandType.TableDirect 表，此值为 -1。
通过执行该 SQL 语句而更改、插入或删除的行数。
Visual Basic 语法![[external link]](gif/external.gif)
System.Data.CommandType