Dynamic Web Pages

First I am new ASP.NET C# development, so my question may seem simple.
I am creating web pages with dynamic content.  The content is loaded in an sql database, I can display the information in a data grid/view, but I would like to load the data into the desired sections  but I have 1 problem, I do not know how.
<asp:SqlDataSource ID="WebPageContent" runat="server" ConnectionString="<% ... %>"
            SelectCommand="GetContent" SelectCommandType="StoredProcedure">
            <SelectParameters>
                <asp:querystringparameter DefaultValue="Default.aspx" Name="UseOnPage" QueryStringField="UseOnPage" Type="String" /& ...