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        淺談VS中的DataPager分頁

        字號:


            微軟的DataPager分頁功能很強大,不要設(shè)置數(shù)據(jù)庫存儲過程,只要添加個DataPager控件,關(guān)聯(lián)下要分頁的控件,簡單設(shè)置就可以有不錯的分頁效果。當然要有更理想的效果還是要前臺和后臺處理下。
            winform下的DataPager 顯示模式:
            名單
            淺談VS中的DataPager分頁
            webForm下的樣式由TemplatePagerField,NextPreviousPagerField和NumericPagerField控制
            通過設(shè)置上面幾個控件的配合也可以達到winForm下的效果,這3個控件中最重要的是TemplatePagerField控件。
            下面簡單看看TemplatePagerField控件可以怎么設(shè)置:
            代碼如下:
            <%@ Page language="VB" %>
            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "">
            <script runat="server">
            Protected Sub TemplatePagerField_OnPagerCommand(ByVal sender As Object, _
            ByVal e As DataPagerCommandEventArgs)
            ' Check which button raised the event
            Select Case e.CommandName
            Case "Next"
            Dim newIndex As Integer = e.Item.Pager.StartRowIndex + e.Item.Pager.PageSize
            If newIndex <= e.TotalRowCount Then
            e.NewStartRowIndex = newIndex
            e.NewMaximumRows = e.Item.Pager.MaximumRows
            End If
            Case "Previous"
            e.NewStartRowIndex = e.Item.Pager.StartRowIndex - e.Item.Pager.PageSize
            e.NewMaximumRows = e.Item.Pager.MaximumRows
            Case "First"
            e.NewStartRowIndex = 0
            e.NewMaximumRows = e.Item.Pager.MaximumRows
            End Select
            End Sub
            </script>
            <html xmlns="" >
            <head id="Head1" runat="server">
            <title>TemplatePagerField.OnPagerCommand Example</title>
            <style type="text/css">
            body
            {
            text-align: center;
            font: 12px Arial, Helvetica, sans-serif;
            }
            .item
            {
            border: solid 1px #2F4F4F;
            background: #E6E6FA;
            }
            </style>
            </head>
            <body>
            <form id="form1" runat="server">
            <h3>TemplatePagerField.OnPagerCommand Example</h3>
            <asp:ListView ID="StoresListView"
            DataSourceID="StoresDataSource"
            runat="server">
            <LayoutTemplate>
            <table width="350" runat="server" id="tblStore">
            <tr runat="server">
            <th runat="server">ID</th>
            <th runat="server">Store Name</th>
            </tr>
            <tr id="itemPlaceholder" runat="server">
            </tr>
            </table>
            </LayoutTemplate>
            <ItemTemplate>
            <tr runat="server">
            <td>
            <asp:Label ID="IDLabel" runat="server" Text='<%#Eval("CustomerID") %>' />
            </td>
            <td>
            <asp:Label ID="NameLabel" runat="server" Text='<%#Eval("Name")%>' />
            </td>
            </tr>
            </ItemTemplate>
            </asp:ListView>
            <br />
            <asp:DataPager runat="server"
            ID="ContactsDataPager"
            PageSize="30"
            PagedControlID="StoresListView">
            <Fields>
            <asp:TemplatePagerField OnPagerCommand="TemplatePagerField_OnPagerCommand">
            <PagerTemplate>
            <asp:LinkButton ID="FirstButton" runat="server" CommandName="First"
            Text="<<" Enabled='<%# Container.StartRowIndex > 0 %>' />
            <asp:LinkButton ID="PreviousButton" runat="server" CommandName="Previous"
            Text='<%# (Container.StartRowIndex - Container.PageSize + 1) & " - " & (Container.StartRowIndex) %>'
            Visible='<%# Container.StartRowIndex > 0 %>' />
            <asp:Label ID="CurrentPageLabel" runat="server"
            Text='<%# (Container.StartRowIndex + 1) & "-" & (IIf(Container.StartRowIndex + Container.PageSize > Container.TotalRowCount, Container.TotalRowCount, Container.StartRowIndex + Container.PageSize)) %>' />
            <asp:LinkButton ID="NextButton" runat="server" CommandName="Next"
            Text='<%# (Container.StartRowIndex + Container.PageSize + 1) & " - " & (IIf(Container.StartRowIndex + Container.PageSize*2 > Container.TotalRowCount, Container.TotalRowCount, Container.StartRowIndex + Container.PageSize*2)) %>'
            Visible='<%# (Container.StartRowIndex + Container.PageSize) < Container.TotalRowCount %>' />
            </PagerTemplate>
            </asp:TemplatePagerField>
            </Fields>
            </asp:DataPager>
            <asp:SqlDataSource ID="StoresDataSource" runat="server"
            ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
            SelectCommand="SELECT [CustomerID], [Name] FROM Sales.Store ORDER BY [Name]">
            </asp:SqlDataSource>
            </form>
            </body>
            </html>