<asp:DropDownList ID="DropDownList1" runat="server" 
        DataSourceID="ObjectDataSource1" DataTextField="BrandOfCar" 
        DataValueField="BrandOfCar" Height="23px" style="margin-bottom: 0px" 
        Width="176px">
    </asp:DropDownList>
    <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
        SelectMethod="GetBrands" TypeName="AutoCatalog.Models_BrandDB">
    </asp:ObjectDataSource>
    </p>
    <p>
        <asp:GridView ID="GridView1" runat="server" AllowPaging="True" 
            AutoGenerateColumns="False" BackColor="White" BorderColor="#3366CC" 
            BorderStyle="None" BorderWidth="1px" CellPadding="4" 
            DataSourceID="ObjectDataSource2" Height="253px" Width="246px" 
            DataKeyNames="BrandOfCar">
            <Columns>
                <asp:BoundField DataField="Model" HeaderText="Моделі :" 
                    SortExpression="Model" />
            </Columns>
            <FooterStyle BackColor="#99CCCC" ForeColor="#003399" />
            <HeaderStyle BackColor="#003399" Font-Bold="True" ForeColor="#CCCCFF" />
            <PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
            <RowStyle BackColor="White" ForeColor="#003399" />
            <SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
            <SortedAscendingCellStyle BackColor="#EDF6F6" />
            <SortedAscendingHeaderStyle BackColor="#0D4AC4" />
            <SortedDescendingCellStyle BackColor="#D6DFDF" />
            <SortedDescendingHeaderStyle BackColor="#002876" />
        </asp:GridView>
    </p>
    <p>
        <asp:ObjectDataSource ID="ObjectDataSource2" runat="server" 
            SelectMethod="GetModels" TypeName="AutoCatalog.Models_BrandDB">
            <SelectParameters>
                <asp:ControlParameter ControlID="DropDownList1" Name="brandOfCar" 
                    PropertyName="SelectedValue" Type="Object" />
            </SelectParameters>
        </asp:ObjectDataSource>
    </p>