C# windows applications thorught checkbox in the datagridview get value row differnent cell

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C#

Hi,


select clientName assets amount
1 .ABC equity 50000
Liquid 40000
commodities 500
2.cde equity 60000
Liquid 40000
commodities 700

this datagridview have 4 fields 1)select columns for checkbox 2)second columns for clientName 3)columns for assets name 4)columns for
amount and i have button to send mail to mutiple client i had written code for when chekcbox select send mail but how to get different client assets amount means how to iterate loop to this different client and their assetsamount i so confused.i dont know .plz tell me na,thanks adavance