How to delete particular row in gridview?

 Hi all,
Hope doing well,
sir i am using one gridview where i am fetching data from database and i used one link button in item template field to delete particular row
but when i click on that button it's not deleting the data.  even in my code behind page i checked through break point it's not calling gridviewrowdeleting method.
here is my design :
<asp:GridView ID="GrvUpload" runat="server" AutoGenerateColumns="False"  GridLines="None"  CellPadding="4" ForeColor="Black"
                                                                           onrowd ...