i am retrieving values from database. password column is encrypted and stored in database. but now i want to display my decrypted password in the gridview. (ie) original text, can anybody suggest for this issue. 

Ref Image

https://imgur.com/a/7btJVIt

                            <asp:GridView ID="Griduserlist" runat="server" HeaderStyle-BackColor="#333333" gridline="none" HeaderStyle-ForeColor="White" CssClass="gridviewtable" 
                                HeaderStyle-Height="40px" RowStyle-Height="40px" AlternatingRowStyle-BackColor="#F5F5F5"  AutoGenerateColumns="False" HeaderStyle-CssClass="GridHeader"
                                DataKeyNames="UserName" OnRowDataBound="Griduserlist_RowDataBound">
                                <Columns>
                                    <asp:TemplateField HeaderText="S.No" ItemStyle-HorizontalAlign="Center" >
                                    <ItemTemplate>
                                    <%#Container.DataItemIndex+1 %>
                                    </ItemTemplate>
                                    <ItemStyle Width="32px" />
                                    <ItemStyle HorizontalAlign="Center"></ItemStyle>
                                    </asp:TemplateField>  
                                    <asp:BoundField DataField ="UserName" HeaderText="User Name" />
                                    <asp:BoundField DataField ="UserPass" HeaderText="Password" />
                                    
                                    <asp:BoundField DataField ="UserType" HeaderText="User Type" />
                                    <asp:BoundField DataField ="DoneOn" HeaderText="Done On" />
                                    <asp:BoundField DataField ="DoneBy" HeaderText="Done By" />
                                    <asp:TemplateField HeaderText="Action">
                                         <ItemTemplate>                            
                                            <asp:LinkButton ID="lnkeditpass" ToolTip="Edit" OnClick="lnkeditpass_Click" CssClass=" editimg dis dis_btn dis_large" runat="server">&nbsp;</asp:LinkButton>
                                             <asp:LinkButton ID="lnkdeactive" ToolTip="Deactive" OnClick="lnkdeactive_Click" CssClass="deactiveimg dis dis_btn dis_large" runat="server">C</asp:LinkButton>
                                             <asp:LinkButton ID="lnkdeluser" ToolTip="Delete" OnClick="lnkdeluser_Click" CssClass="delimg dis dis_btn dis_large" runat="server">C</asp:LinkButton>
                                         </ItemTemplate>
                                   </asp:TemplateField>    
                                </Columns>
                            </asp:GridView>

private void BindGridOnLoad()
{
    common View = new common();   
    Griduserlist.DataSource = View.getUserList();
    Griduserlist.DataBind();
}