how to add Hyperlink in gridview in ASP.NET

<Columns>
                <asp:HyperLinkField DataTextField="LeadID" DataNavigateUrlFields="LeadID" DataNavigateUrlFormatString="LeadInformation.aspx?LeadID={0}" Text="Lead ID" />
                <asp:BoundField DataField="DateTime" HeaderText="Date Updated" />
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Bind("LeadID") + Request.QueryString("type") %>'
                            Text=""></asp:HyperLink>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
>