ListView设置高度和宽度自适应问题示例
 <div style=" width:100%; height:375px;">
                
                <asp:ListView ID="lvCategory" GroupItemCount="3" runat="server">
                    <LayoutTemplate>
                        <div align="center" style="width:600px; height:375px;">//高度和宽度设置
                            <div ID="groupPlaceholder" runat="server">
                            </div>
                        </div>  
                    </LayoutTemplate>
                    <GroupTemplate>
                        <div style="width:100%">                    
                            <div ID="itemPlaceholder" runat="server">
                            </div>                    
                        </div>
                    </GroupTemplate>
                    <ItemTemplate>
                        <div style="width:200px; height:180px; float:left">
                        <div style="width:160px; height:125px; float:left; background-image:url(images/001_06.gif);">  
                            <div class="div_padding"></div>    
                            <a ><img alt='<%# Eval("C_Name")%>' src='UpSmall/<%# Eval("url") %>' style="border-width:0px" width="133px" height="100px" /></a>
                            <br/>  
                            <br/>                      
                            <a ><%# Eval("C_Name").ToString().Length > 5 ? Eval("C_Name").ToString().Substring(0, 5) + "..." : Eval("C_Name")%>(共<%# Eval("p_num")%>张)</a>
                        </div>
                        </div>
                    </ItemTemplate>
                </asp:ListView>
            </div>