Some simple basic operations in Dataset

1. Obtain the value of a cell in dataset.

Dim DS new dataset

Text1.text = Ds. Tables (0). Rows (row number) (Field name or column number). tostring ()

2. In the table, I represents rows, and j Represents columns.

Dataset. Tables (0). Rows (I) (j)

Dataset. Tables (0). Rows (I). itemarray (j)

3. indicates the total number of rows in

Dataset. Tables (0). Rows. Count

4. indicates the total number of columns in the table.

Dataset. Tables (0). Columns. Count

5. column I in the table

Dataset. Tables (0). Columns (I). tostring ()

Note: The calculation of tables, rows, and columns starts from 0.