我国目前实行的《建设项目(工程)劳动安全卫生预评价管理办法》是()于1992年2月发布的。 劳动部。 卫生部。 人事部。 国家经贸委。
主码是一种候选码码,主码中的属性个数没有限制。
共和国
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application has a Web form file named MovieReviews.aspx. The MovieReviews.aspx file connects to a LinqDataSource DataSource named LinqDataSource1 that has a primary key named MovieID. The application has a DetailsView control named DetailsView1. The MovieReviews.aspx file contains the following code fragment. (Line numbers are included for reference only.) 01 02 DataSourceID="LinqDataSource1" 03 04 /> 05 06 07 InsertVisible="False" 08 ReadOnly="True" SortExpression="MovieID" /> 09 10 SortExpression="Title" /> 11 12 SortExpression="Theater" /> 13 14 ShowEditButton="True" ShowInsertButton="True" /> 15 16 You need to ensure that the users can insert and update content in the DetailsView1 control. You also need to prevent duplication of the link button controls for the Edit and New operations. Which code segment should you insert at line 03?() A。 B。 C。 D。
教学中如何促进学生对知识的掌握?
不能在室内安装的补偿器是()