C # DataTable usage Summary

1. Create a table

Private DataTable vsDt = new DataTable ();

2. Clear the table content (the column in the table is still in)

VsDt. Clear ();

3. Clear the columns in the table.

VsDt. Columns. Clear ();

4. Add columns to the table

VsDt. Columns. Add ("BH", typeof (string); vsDt. Columns. Add ("RQ", typeof (string ));

5. Add empty rows to the table

DataRow vsDr = vsDt. NewRow ();

If N columns have been added to the table before empty rows are added, the newly added empty rows also contain these columns.
6. Add rows to the table

VsDt. Rows. Add (vsDr );