Hi,

I have a datagridview with records completed by datatable dt:
This datatable has 20 columns with 1 identity column

dataGridView1.D ataSource = dt;


I need to solve next problems:
1. Select rows filtered by column[2]
2. Keep these records
3. Add exactly the same records below but update column[2] with different value (so we’ll have twice more records)

I used...