C＃DataGridView中的自动完成文本框

Question

I have a data-gird view, and its first cell is student register no. and the cell is auto complete text box.When we focus on any of the data in auto compete text box then corresponding data shown in next cell. How can I do it? Which event is used? My first cell is already an auto complete cell. My requirement is, the auto complete text box contains number of data. when cursor move upward or downward in the auto complete text box(here register.no) the next cell automatically shown student name. For this which event is used?

Answer 1

try this

 private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
    if (dataGridView1.CurrentCell.ColumnIndex.Equals(3) && e.RowIndex != -1)
    {
        if (dataGridView1.CurrentCell != null && dataGridView1.CurrentCell.Value != null)
        {
            dataGridView1[1,(dataGridView1.CurrentCell.ColumnIndex + 1)].Value ="Your Value"
        }
    }
}