CSHARP

loop datagridview c#

foreach (DataGridViewRow row in datagridviews.Rows)
{
   currQty += row.Cells["qty"].Value;
   //More code here
}

loop through all cells in datagridview c#

foreach(DataGridViewRow row in yourDataGridView.Rows)
{
    foreach(DataGridViewCell cell in row.Cells)
    {
        //do operations with cell
    }
}