In the above link OnSelectedIndexChanged event has been used to select the ItemTemplate and BoundField values in a Row.
Please refer this link.
Display GridView Selected Row data in TextBox outside GridView in ASP.Net
In the above link OnSelectedIndexChanged event has been used to Select the ItemTemplate and BoundField values in a Row.
This way you can find the ItemTemplate control value.
txtCountry.Text = (row.FindControl("lblCountry") as Label).Text;