<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>Show QueryStringParameter Master</title> </head> <body> <form id="form1" runat="server"> <div> <asp:GridView id="grdProducts" DataSourceId="srcProducts" AutoGenerateColumns="false" ShowHeader="false" Runat="server"> <Columns> <asp:HyperLinkField DataTextField="Title" DataNavigateUrlFields="Id" DataNavigateUrlFormatString="ShowQueryStringParameterDetails.aspx?id={0}" /> </Columns> </asp:GridView> <asp:SqlDataSource id="srcProducts" SelectCommand="SELECT * FROM Products" ConnectionString="<%$ ConnectionStrings:Products %>" Runat="server" /> </div> </form> </body> </html> File: ShowQueryStringParameterDetails.aspx <%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>Show QueryStringParameter Details</title> </head> <body> <form id="form1" runat="server"> <div> <asp:DetailsView id="dtlProduct" DataSourceID="srcProduct" Runat="server" /> <asp:SqlDataSource id="srcProduct" SelectCommand="SELECT * FROM Products WHERE Id=@Id" ConnectionString="<%$ ConnectionStrings:Products %>" Runat="server"> <SelectParameters> <asp:QueryStringParameter Name="Id" QueryStringField="Id" /> </SelectParameters> </asp:SqlDataSource> </div> </form> </body> </html> File: Web.config <configuration> <connectionStrings> <add name="Products" connectionString="Data Source=.\SQLEXPRESS; AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" /> </connectionStrings> </configuration>