#region SAVE AND UPDATE
for (int i = 0; i < rowCount; i++)
{
//CHECK ROW IS NOT SELECTED
if (Convert.ToBoolean(dataGridView1.Rows[i].Cells[0].Value) == false)
{
//ROW MUST HAVE STRING VALUE(NOT NULL OR EMPTY)
if (dataGridView1.Rows[i].Cells[1].Value != null && string.IsNullOrEmpty(dataGridView1.Rows[i].Cells[1].Value.ToString()) == false)
{
//IF ID IS NULL THAN SAVE
if (dataGridView1.Rows[i].Cells[5].Value == null)
{
}
Plzzz, Anyone Can Help Me.