how to get value of checkboxes in datagrid

hi All
hav a good day

i have a window form
on this form i hav a datagrid view. i hav add a checkbox column and three bounded columns productname,price and quantity.
These three columns are filled in datagridview from database.
This checkbox column is for select the products.
supose gridview has 6 products and at the run time user select 4 products by clicking on checkboxes.
 then i want to get all three values (product name,price,quantity) for these four products  for which checkbox column is checked.

Any help will be appriciated.
Thanks in Advance.
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Ivo StoykovCommented:
below is a small sample
StringBuilder str = new StringBuilder();
// Select the checkboxes from the GridView control
for (int i = 0; i < GridView1.Rows.Count; i++)
  GridViewRow row = GridView1.Rows[i];
  bool isChecked = ((CheckBox) row.FindControl("chkSelect")).Checked;
  if (isChecked)
    // Column 2 is the name column
// prints out the result

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psaini172000Author Commented:
My problem is not on webapplication
it is on windows application. Thats why ur solution dont work

Thanks for this help
psaini172000Author Commented:
if Any Body hav any idea pls help
Ivo StoykovCommented:
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