GridView/ObjectDataSource和AspNetPager整合示例

前台代码：

<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>

 

后台代码：

 1         protected void myPage_PageChanged(object sender, EventArgs e)

 2         {

 3             GridViewRow pagerRow = viewIShow.BottomPagerRow;

 4             AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");

 5             viewIShow.PageIndex = myPage.CurrentPageIndex - 1;

 6         }

 7 

 8         protected void viewIShow_DataBound(object sender, EventArgs e)

 9         {

10             GridViewRow pagerRow = viewIShow.BottomPagerRow;

11             AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");

12 

13             GridView view = (GridView)sender;

14             myPage.PageSize = view.PageSize;

15             myPage.CurrentPageIndex = view.PageIndex +1; //GridView分页索引是从0开始，AspNetPager是从1开始的

16         }

17 

18         protected void ObjectDataSource1_Selected(object sender, ObjectDataSourceStatusEventArgs e)

19         {

20             DataSet ds = (DataSet)e.ReturnValue; //ObjectDataSource查询方法返回什么类型就转成什么类型

21 

22             GridViewRow pagerRow = viewIShow.BottomPagerRow;

23             AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");

24 

25             if (ds == null)

26             {

27                 myPage.RecordCount = 0;

28             }

29             else

30             {

31                 myPage.RecordCount = ds.Tables[0].Rows.Count;

32             }

33         }