Passing Primary Key to RowCommand Event

Hi *.*,
I know its a old topic,For a beginner its a grt help!!!!

Code:

<asp:GridView ID="GridViewNotSelected" runat="server" AllowSorting="True"
        AutoGenerateColumns="False"
        DataSourceID="SqlDataSourceTagsNotSelected"
        onrowcommand="GridViewNotSelected_RowCommand">
    <Columns>
        <asp:TemplateField ShowHeader="False">
            <ItemTemplate>
                <asp:LinkButton ID="LinkButton1" runat="server"
                    CausesValidation="False" CommandArgument='<%# Eval("Id") %>'
                    CommandName="Select" Text="Select"></asp:LinkButton>
            </ItemTemplate>
        </asp:TemplateField>
    </Columns>
</asp:GridView>

 C#

protected void GridViewNotSelected_RowCommand(object sender, GridViewCommandEventArgs e)
{
    int tagsId = Convert.ToInt32(e.CommandArgument);
}

 VB.net

        Protected Sub GridViewNotSelected_RowCommand(ByVal sender As Object, ByVal e As GridViewCommandEventArgs)

            Dim tagsId As Integer = Convert.ToInt32(e.CommandArgument)

        End Sub

If u had any trouble just ask, Happy to help u :)
Stay Tune... Have a nice day... 'N happy Coding :)