Using-the-GridView-and-DetailsView-together

                              runat="server"
                      DataSourceId="SqlDataSource1"
                      AllowPaging="True"
                      BorderColor="#DEBA84"
                      BorderStyle="None"
                      BorderWidth="1px"
                      BackColor="#DEBA84"
                      CellSpacing="2"
                      CellPadding="3"
                      DataKeyNames="CustomerID"
                      AutoGenerateSelectButton="True"
                      AutoGenerateColumns="False"
                      PageSize="5">
                                       BackColor="#F7DFB5">
                                      HorizontalAlign="Center">
                                       BackColor="#A55129"
                          Font-Bold="True">

                                                  HeaderText="CustomerID"
                                 DataField="CustomerID"
                                 SortExpression="CustomerID">

                                                  DataField="CompanyName"
                                 SortExpression="CompanyName">

                                       DataField="ContactName" SortExpression="ContactName">

                                       DataField="ContactTitle" SortExpression="ContactTitle">

                                       SortExpression="Address">
                                       SortExpression="City">
                                       SortExpression="Region">
                                       SortExpression="PostalCode">
                                       SortExpression="Country">
                                       SortExpression="Phone">
                                       SortExpression="Fax">

                                          BackColor="#738A9C"
                              Font-Bold="True">

Customer Details:

                                 runat="server"
                         DataSourceId="SqlDataSource2"
                         BorderColor="#DEBA84"
                         BorderStyle="None"
                         BorderWidth="1px"
                         BackColor="#DEBA84"
                         CellSpacing="2"
                         CellPadding="3"
                         AutoGenerateRows="False"
                         DataKeyNames="CustomerID">




                                      DataField="CustomerID" SortExpression="CustomerID">

                                     SortExpression="CompanyName">
                                     SortExpression="ContactName">
                                     SortExpression="ContactTitle">
                                     SortExpression="Address">
                                     SortExpression="City">
                                     SortExpression="Region">
                                     SortExpression="PostalCode">
                                     SortExpression="Country">
                                     SortExpression="Phone">
                                     SortExpression="Fax">

                            Font-Bold="True">
                            Font-Bold="True">

                     SelectCommand="SELECT * FROM [Customers]"
             ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>" />
                     SelectCommand="SELECT * FROM [Customers]"
             FilterExpression="CustomerID='{0}'"
             ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>">

                                       PropertyName="SelectedValue">

ADO Database ASP.Net