Find datagridview for selected country and sum the following

This is datagridview(C#, visual studio 2015):

This is expected result in iTextSharp report:

var sumObject = dataGridView1.Rows.Cast()

.Sum(row => row.Cells["AmountBDT"].Value.ToString(), "SuspenceAccount = Placid Express");

Here tow column : AmountBDT & SuspenceAccount. Placid Express is one of the item of SuspenceAccount.

Hi Shovan,

Please share some screen shots. It will help us to provide the solution