下列哪个属性用来指定DataGridView控件的数据源（）。 A: Columns B: MultiSelect C: DataSource D: DataSet

以下哪个属性是DataGridView控件用来绑定数据的？ A: Columns B: Name C: DataSource D: ReadOnly

DataGridView1.Columns(1).ReadOnly = True‘ 设置 DataGridView1 的第（）列整列单元格为只读

Which of the following are the types of columns encountered in gas chromatography?(1) flat plates (2) packed columns (3) plastic strips (4) open tubular, or capillary columns A: 1,2 B: 3, 4 C: 1, 3 D: 2,4

绑定数据到DataGridView控件，需要DataGridView的DataMember属性获得数据源

If it is known that A is a 3×5 matrix, after executing A(:,1:2:3)=[], ( ). A: A becomes row vector B: A becomes 3 rows and 3 columns C: A becomes 3 rows and 2 columns D: A becomes 2 rows and 3 columns

In a DataGridView, the connection to the database is handled by a

What are the features of columns?（ ） A: Columns are usually characterized by fixed names and locations. B: Columns are printed pages where manuscripts of certain contents are published. C: Columns are relatively independent in the overall layout of newspapers and periodicals. D: Articles in columns are of various styles.

DataGridView控件的作用是什么？

DataFrame对象列索引，表名不同列，纵向索引，叫columns，1轴，axis=1。