I solved my self.
public void SelectAllDataGridViewCheckBoxColumn(CheckBox chk, DataGridView dgv, string DatagridViewColumnName)
{
if (chk.Checked == true)
{
if (dgv.Rows.Count > 0)
{
foreach (DataGridViewRow row in dgv.Rows)
{
(row.Cells[DatagridViewColumnName] as DataGridViewCheckBoxCell).Value = true;
}
}
}
else if (chk.Checked == false)
{
if (dgv.Rows.Count > 0)
{
foreach (DataGridViewRow row in dgv.Rows)
{
(row.Cells[DatagridViewColumnName] as DataGridViewCheckBoxCell).Value = false;
}
}
}
}