How to check empty and null cells in datagridview using C#

Question

i am trying to check the datagridview cells for empty and null value... but i can not do it right...

for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
         


        

Answer 1

for (int i = 0; i < GV1.Rows.Count; i++)
{
    if ((String)GV1.Rows[i].Cells[4].Value == null)
    {
        MessageBox.Show(" cell is empty");
        return;
    }
}

It's working fine.