ASP.NET中的DataList和DataRepeater提供了简单快速的方法來显示,其间,我们可以使用<ItemTemplate>更是使我们能随心所欲的控制数据的排放样式!.可惜的是它们不像Datagrid那样,有内置的分页功能。
如何解决呢?
其实我们可以【PagedDataSource】 类来解决分页的问题。
PagedDataSource类的属性:
DataSource -数据源
AllowPaging - true 是否允许分页. PageSize - 每页项目数量 PageCount - 总页数
CurrentPageIndex - 当前所在的页索引 代码如下:
<%@ Page Language="VB" %> <%@ import Namespace="System.Data" %> <script runat="server"> Sub Page_Load(ByVal Sender As Object, ByVal e As EventArgs)
Dim Pgds As PagedDataSource = New PagedDataSource Pgds.DataSource = CreateDataSource().DefaultView Pgds.AllowPaging = True Pgds.PageSize = 6 lblTotalPage.Text = Pgds.PageCount.ToString()
Dim CurrentPage As Integer If Not Request.QueryString("Page") Is Nothing Then CurrentPage = Convert.ToInt32(Request.QueryString("Page")) Else CurrentPage = 1 End If
Pgds.CurrentPageIndex = CurrentPage - 1 lblCurrentPage.Text = CurrentPage.ToString()
If Not Pgds.IsFirstPage Then lnkPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurrentPage - 1) End If
If Not Pgds.IsLastPage Then lnkNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurrentPage + 1) End If
Repeater1.DataSource = Pgds Repeater1.DataBind()
End Sub
Function CreateDataSource() As Datatable
Dim dt As DataTable Dim dr As DataRow Dim i As Integer
dt = New DataTable dt.Columns.Add(New DataColumn("IntegerValue", GetType(Integer))) dt.Columns.Add(New DataColumn("StringValue", GetType(String))) dt.Columns.Add(New DataColumn("DateTimeValue", GetType(DateTime))) dt.Columns.Add(New DataColumn("BoolValue", GetType(Boolean)))
For i = 0 To 50 dr = dt.NewRow() dr(0) = i dr(1) = "Item " + i.ToString() dr(2) = DateTime.Now.ToShortTimeString If (i Mod 2 <> 0) Then dr(3) = True Else dr(3) = False End If
dt.Rows.Add(dr) Next
Return dt
End Function
</script>
<html><head> <title>DataRepeater</title> <style type=text/css>
BODY { FONT: 10px Verdana, Arial, Helvetica, "sans serif"; COLOR: #000000; } .txt { FONT-SIZE: 12px } </style> </head> <body> <form id="Form1" name=form1 method=post runat="server"> <table class=txt width="100%" border=0> <tbody><tr><td>
<asp:hyperlink id=lnkPrev runat="server">上页</asp:hyperlink> <asp:hyperlink id=lnkNext runat="server">下页</asp:hyperlink>第 <asp:label id=lblCurrentPage runat="server"></asp:label> 页 共 <asp:label id=lblTotalPage runat="server"></asp:label>页
</td></tr></tbody> <asp:repeater id=Repeater1 runat="server">
<ItemTemplate> <hr align="left" width="60%" size="1"> <table class=txt width="100%" border="0"> <tr> <td> Order Date: <%# DataBinder.Eval(Container.DataItem, "DateTimeValue", "{0:d}") %> </td><tr><td> Quantity: <%# DataBinder.Eval(Container.DataItem, "IntegerValue", "{0:N2}") %> </td><tr><td> Item: <%# DataBinder.Eval(Container.DataItem, "StringValue") %> </td><tr><td> Order Date: <asp:checkbox id=chk1 checked='<%# DataBinder.Eval(Container.DataItem, "BoolValue") %>' runat="server"/> </td></tr> </ItemTemplate>
</asp:repeater> <hr hight="1">
</form>
</body>
</html>
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