gridview+objectdatasource+aspnetpager整合实例

<asp:gridview id="viewishow" runat="server" datasourceid="objectdatasource1"
                    allowpaging="true" autogeneratecolumns="false"
                    onrowcommand="viewishow_rowcommand" pagesize="2"
                    onpageindexchanging="viewishow_pageindexchanging"
                    ondatabound="viewishow_databound">

                    <columns>
                        <asp:boundfield datafield="title" headertext="名称" />
                        <asp:boundfield datafield="clicknum" headertext="播放次数" />
                        <asp:boundfield datafield="addtime" headertext="更新日期" />
                        <asp:templatefield headertext="操作">
                            <itemtemplate>
                                <asp:linkbutton id="linkbutton1" runat="server" commandname="up" commandargument='<%#eval("id") %>'>晋级</asp:linkbutton><asp:linkbutton
                                    id="linkbutton2" runat="server" commandname="down" commandargument='<%#eval("id") %>'>降级</asp:linkbutton>
                            </itemtemplate>

                        </asp:templatefield>
                    </columns>
                    <pagertemplate>
                        <table border="0" cellpadding="0" cellspacing="1" style="width: 100%; height: 100%;">
                            <tr style="height: 28px; padding-left: 20px;">
                                <td class="pages">
                                    <webdiyer:aspnetpager id="mypage" runat="server"
                                        onpagechanged="mypage_pagechanged" ></webdiyer:aspnetpager>
                                </td>
                            </tr>
                        </table>
                    </pagertemplate>
                </asp:gridview>
                <asp:objectdatasource id="objectdatasource1" runat="server"
                    dataobjecttypename="audiosystem.model.ishow" deletemethod="delete"
                    insertmethod="add" selectmethod="getlist" typename="audiosystem.bll.ishow"
                    updatemethod="update" onselected="objectdatasource1_selected">
                    <selectparameters>
                        <asp:parameter name="type" type="string" defaultvalue="week" />
                        <asp:controlparameter controlid="txtstarttime"
                            defaultvalue="2000/01/01 00:00:00" name="start"
                            propertyname="text" type="datetime" />
                        <asp:controlparameter controlid="txtendtime" name="end" propertyname="text"
                            type="datetime" defaultvalue="2500/01/01 00:00:00" />
                    </selectparameters>
                    <deleteparameters>
                        <asp:parameter name="videoid" type="int32" />
                        <asp:parameter name="type" type="string" defaultvalue="week" />
                    </deleteparameters>
                </asp:objectdatasource>

protected void mypage_pagechanged(object sender, eventargs e)
         {
             gridviewrow pagerrow = viewishow.bottompagerrow;
             aspnetpager mypage = (aspnetpager)pagerrow.cells[0].findcontrol("mypage");
             viewishow.pageindex = mypage.currentpageindex - 1;
         }

         protected void viewishow_databound(object sender, eventargs e)
         {
             gridviewrow pagerrow = viewishow.bottompagerrow;
             aspnetpager mypage = (aspnetpager)pagerrow.cells[0].findcontrol("mypage");

             gridview view = (gridview)sender;
             mypage.pagesize = view.pagesize;
             mypage.currentpageindex = view.pageindex +1; //gridview分页索引是从0开始，aspnetpager是从1开始的
         }

         protected void objectdatasource1_selected(object sender, objectdatasourcestatuseventargs e)
         {
             dataset ds = (dataset)e.returnvalue; //objectdatasource查询方法返回什么类型就转成什么类型

             gridviewrow pagerrow = viewishow.bottompagerrow;
             aspnetpager mypage = (aspnetpager)pagerrow.cells[0].findcontrol("mypage");

             if (ds == null)
             {
                 mypage.recordcount = 0;
             }
             else
             {
                 mypage.recordcount = ds.tables[0].rows.count;
             }
         }