<asp:SqlDataSource ID="SqlDataSource1" runat="server" 

            ConflictDetection="CompareAllValues" 

            ConnectionString="<%$ ConnectionStrings:BookStorConnectionString %>" 

            DeleteCommand="DELETE FROM [BookInfo] WHERE [ID] = @original_ID AND [Name] = @original_Name AND [Author] = @original_Author AND [Press] = @original_Press" 

            InsertCommand="INSERT INTO [BookInfo] ([ID], [Name], [Author], [Press]) VALUES (@ID, @Name, @Author, @Press)" 

            OldValuesParameterFormatString="original_{0}" 

            SelectCommand="SELECT * FROM [BookInfo]" 

            UpdateCommand="UPDATE [BookInfo] SET [Name] = @Name, [Author] = @Author, [Press] = @Press WHERE [ID] = @original_ID AND [Name] = @original_Name AND [Author] = @original_Author AND [Press] = @original_Press">

            <DeleteParameters>

                <asp:Parameter Name="original_ID" Type="String" />

                <asp:Parameter Name="original_Name" Type="String" />

                <asp:Parameter Name="original_Author" Type="String" />

                <asp:Parameter Name="original_Press" Type="String" />

            </DeleteParameters>

            <InsertParameters>

                <asp:Parameter Name="ID" Type="String" />

                <asp:Parameter Name="Name" Type="String" />

                <asp:Parameter Name="Author" Type="String" />

                <asp:Parameter Name="Press" Type="String" />

            </InsertParameters>

            <UpdateParameters>

                <asp:Parameter Name="Name" Type="String" />

                <asp:Parameter Name="Author" Type="String" />