hi
Try this sample code..
private void Form1_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("boolvalue", typeof(bool));
dt.Rows.Add(true);
dt.Rows.Add(false);
dt.Rows.Add(true);
dataGridView1.DataSource = dt;
}
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if( e.ColumnIndex == 0)
{
bool value = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].EditedFormattedValue;
}