数据绑定和datable.pptVIP

DataSet 对象包含 DataTable 对象的集合，每个包含一个或多个表。 DataTable 对象包含一个或多个列，每个由 DataColumn 对象所表示。 DataTable 对象还有 Rows 集合，其允许在数据集中行被访问。DataTable 对象包含一个或多个行，每个由 DataRow 对象表示。 DataRelation 对象用来导览多个表来验证和汇总数据。 DataRelation 对象中的主键和外键约束创建模式中表之间的关系。 小结（续） Merge() 方法用来合并来自多个 DataSet, DataTable 和 DataRow 对象的数据。 数据视图是断开连接的环境的一部分，使您创建数据表中存储的数据的动态视图。 DataTable 可具有指定给其的多个 DataView 对象，允许以不同的方式来查看数据，而无需从数据库重新读取。 通过使用 DataView 对象的 DataTable 中的排序使用 Sort 属性来完成。 使用 DataView 对象在 DataTable 中的过滤使用 RowFilter 和 RowStateFilter 属性来完成。 小结（续） * Introduce the students to the different types of threats that systems face by: Asking the students to give examples of what they think are environmental and human threats. Asking the students to give instances of what they think are malicious and non-malicious threats. Conclude the discussion on the different types of threats by giving additional examples of malicious and non malicious threats. * Introduce the students to the different types of threats that systems face by: Asking the students to give examples of what they think are environmental and human threats. Asking the students to give instances of what they think are malicious and non-malicious threats. Conclude the discussion on the different types of threats by giving additional examples of malicious and non malicious threats. * Introduce the students to the course by asking them what they know about forensics. Next, ask the students what they know about system forensics and why is it required in organizations dependent on IT. This could be a brief discussion of about 5 minutes. Lead the discussion to the objectives of this chapter. * * Introduce the students to the different types of threats that systems face by: Asking the students to give examples of what they think are environmental and human threats. Asking the students to give instances of what they think are malicious and non-malicious threats. Conclude the discussion on the different types of threats by giving additional examples of malicio