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如何使用DevExpress ASPxPopupControl控件实现向下钻取报表？

来源：本站原创   发布时间：2012-09-03   浏览：2963次

本文演示了如何使用含有ASPxGridView的ASPxPopupControl 控件实现一个向下钻取的主从报表。

其要点包括：

1.XRLabel.HtmlItemCreated 事件是用于通过e.ContentCell.InnerHtml 参数创建一个带有href='javascript:.属性的 html 超链接。该链接将引发一个更新具体数据的特殊脚本功能。

2.XRLabel.Tag属性被绑定到主数据表的ID字段。这使得我们能够通过e.Brick.Value这个参数获取到XRLabel.HtmlItemCreated事件处理程序中的ID。

3. 通过ASPxClientGridView.PerformCallback()的方式，ASPxGridView的更新过程将不能从客户端编辑。

4.ASPxPopupControl.ShowAtElement()方法被调用来显示ASPxPopupControl。

VB.NET

<%@ Page Language="vb" AutoEventWireup="true" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<%@ Register Assembly="DevExpress.XtraReports.v11.1.Web, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.XtraReports.Web" TagPrefix="dxxr" %>
<%@ Register Assembly="DevExpress.Web.ASPxGridView.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxGridView" TagPrefix="dxwgv" %>
<%@ Register Assembly="DevExpress.Web.ASPxEditors.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dxe" %>

<%@ Register Assembly="DevExpress.Web.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxPopupControl" TagPrefix="dxpc" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>

<script language="javascript" type="text/javascript">

function UpdateProductsInfo(categoryId) {
var element = document.getElementById('cat' + categoryId);

gridView.PerformCallback(categoryId);
popupControl.ShowAtElement(element);
}

</script>

</head>
<body>
<form id="form1" runat="server">
<div>
<dxpc:ASPxPopupControl ID="ASPxPopupControl1" runat="server"
ClientInstanceName="popupControl" Width="407px" BackColor="#FFFF99"
FooterText="" HeaderText="Products list" PopupHorizontalOffset="20"
PopupVerticalOffset="20">
<ClientSideEvents Init="function(s, e) {
//popupControl.ShowAtPos(100, 100);
}" />
<ContentCollection>
<dxpc:PopupControlContentControl runat="server">
<dxwgv:ASPxGridView ID="ASPxGridView1" runat="server"
AutoGenerateColumns="False" Width="413px"
ClientInstanceName="gridView"
OnCustomCallback="ASPxGridView1_CustomCallback">
<Columns>
<dxwgv:GridViewDataTextColumn FieldName="ProductName" VisibleIndex="0">
</dxwgv:GridViewDataTextColumn>
<dxwgv:GridViewDataTextColumn FieldName="UnitPrice" VisibleIndex="1">
</dxwgv:GridViewDataTextColumn>
<dxwgv:GridViewDataTextColumn FieldName="UnitsInStock" VisibleIndex="2">
</dxwgv:GridViewDataTextColumn>
</Columns>
<SettingsPager PageSize="5">
</SettingsPager>
</dxwgv:ASPxGridView>
</dxpc:PopupControlContentControl>
</ContentCollection>

<HeaderStyle BackColor="#FF99CC" Font-Bold="True" Font-Size="Large" />
<Border BorderColor="#6666FF" />

</dxpc:ASPxPopupControl>
<br />
<dxxr:ReportToolbar ID="ReportToolbar1" runat="server"
ShowDefaultButtons="False" ReportViewer="<%#ReportViewer1%>">
<Items>
<dxxr:ReportToolbarButton ItemKind="Search"
ToolTip="Display the search window" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton ItemKind="PrintReport" ToolTip="Print the report" />
<dxxr:ReportToolbarButton ItemKind="PrintPage"
ToolTip="Print the current page" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton Enabled="False" ItemKind="FirstPage"
ToolTip="First Page" />
<dxxr:ReportToolbarButton Enabled="False" ItemKind="PreviousPage"
ToolTip="Previous Page" />
<dxxr:ReportToolbarLabel Text="Page" />
<dxxr:ReportToolbarComboBox ItemKind="PageNumber" Width="65px">
</dxxr:ReportToolbarComboBox>
<dxxr:ReportToolbarLabel Text="of" />
<dxxr:ReportToolbarTextBox IsReadOnly="True" ItemKind="PageCount" />
<dxxr:ReportToolbarButton ItemKind="NextPage" ToolTip="Next Page" />
<dxxr:ReportToolbarButton ItemKind="LastPage" ToolTip="Last Page" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton ItemKind="SaveToDisk"
ToolTip="Export a report and save it to the disk" />
<dxxr:ReportToolbarButton ItemKind="SaveToWindow"
ToolTip="Export a report and show it in a new window" />
<dxxr:ReportToolbarComboBox ItemKind="SaveFormat" Width="70px">
<Elements>
<dxxr:ListElement Text="Pdf" Value="pdf" />
<dxxr:ListElement Text="Xls" Value="xls" />
<dxxr:ListElement Text="Rtf" Value="rtf" />
<dxxr:ListElement Text="Mht" Value="mht" />
<dxxr:ListElement Text="Text" Value="txt" />
<dxxr:ListElement Text="Csv" Value="csv" />
<dxxr:ListElement Text="Image" Value="png" />
</Elements>
</dxxr:ReportToolbarComboBox>
</Items>
<Styles>
<LabelStyle>
<Margins MarginLeft="3px" MarginRight="3px" />
</LabelStyle>
</Styles>
</dxxr:ReportToolbar>
<br />
<dxxr:ReportViewer ID="ReportViewer1" runat="server"
onunload="ReportViewer1_Unload">
</dxxr:ReportViewer>
</div>
</form>
</body>
</html>

C#

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="DevExpress.XtraReports.v11.1.Web, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.XtraReports.Web" TagPrefix="dxxr" %>
<%@ Register Assembly="DevExpress.Web.ASPxGridView.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxGridView" TagPrefix="dxwgv" %>
<%@ Register Assembly="DevExpress.Web.ASPxEditors.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dxe" %>

<%@ Register Assembly="DevExpress.Web.v11.1, Version=11.1.11.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"
Namespace="DevExpress.Web.ASPxPopupControl" TagPrefix="dxpc" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>

<script language="javascript" type="text/javascript">

function UpdateProductsInfo(categoryId) {
var element = document.getElementById('cat' + categoryId);

gridView.PerformCallback(categoryId);
popupControl.ShowAtElement(element);
}

</script>

</head>
<body>
<form id="form1" runat="server">
<div>
<dxpc:ASPxPopupControl ID="ASPxPopupControl1" runat="server"
ClientInstanceName="popupControl" Width="407px" BackColor="#FFFF99"
FooterText="" HeaderText="Products list" PopupHorizontalOffset="20"
PopupVerticalOffset="20">
<ClientSideEvents Init="function(s, e) {
//popupControl.ShowAtPos(100, 100);
}" />
<ContentCollection>
<dxpc:PopupControlContentControl runat="server">
<dxwgv:ASPxGridView ID="ASPxGridView1" runat="server"
AutoGenerateColumns="False" Width="413px"
ClientInstanceName="gridView"
OnCustomCallback="ASPxGridView1_CustomCallback">
<Columns>
<dxwgv:GridViewDataTextColumn FieldName="ProductName" VisibleIndex="0">
</dxwgv:GridViewDataTextColumn>
<dxwgv:GridViewDataTextColumn FieldName="UnitPrice" VisibleIndex="1">
</dxwgv:GridViewDataTextColumn>
<dxwgv:GridViewDataTextColumn FieldName="UnitsInStock" VisibleIndex="2">
</dxwgv:GridViewDataTextColumn>
</Columns>
<SettingsPager PageSize="5">
</SettingsPager>
</dxwgv:ASPxGridView>
</dxpc:PopupControlContentControl>
</ContentCollection>

<HeaderStyle BackColor="#FF99CC" Font-Bold="True" Font-Size="Large" />
<Border BorderColor="#6666FF" />

</dxpc:ASPxPopupControl>
<br />
<dxxr:ReportToolbar ID="ReportToolbar1" runat="server"
ShowDefaultButtons="False" ReportViewer="<%# ReportViewer1 %>">
<Items>
<dxxr:ReportToolbarButton ItemKind="Search"
ToolTip="Display the search window" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton ItemKind="PrintReport" ToolTip="Print the report" />
<dxxr:ReportToolbarButton ItemKind="PrintPage"
ToolTip="Print the current page" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton Enabled="False" ItemKind="FirstPage"
ToolTip="First Page" />
<dxxr:ReportToolbarButton Enabled="False" ItemKind="PreviousPage"
ToolTip="Previous Page" />
<dxxr:ReportToolbarLabel Text="Page" />
<dxxr:ReportToolbarComboBox ItemKind="PageNumber" Width="65px">
</dxxr:ReportToolbarComboBox>
<dxxr:ReportToolbarLabel Text="of" />
<dxxr:ReportToolbarTextBox IsReadOnly="True" ItemKind="PageCount" />
<dxxr:ReportToolbarButton ItemKind="NextPage" ToolTip="Next Page" />
<dxxr:ReportToolbarButton ItemKind="LastPage" ToolTip="Last Page" />
<dxxr:ReportToolbarSeparator />
<dxxr:ReportToolbarButton ItemKind="SaveToDisk"
ToolTip="Export a report and save it to the disk" />
<dxxr:ReportToolbarButton ItemKind="SaveToWindow"
ToolTip="Export a report and show it in a new window" />
<dxxr:ReportToolbarComboBox ItemKind="SaveFormat" Width="70px">
<Elements>
<dxxr:ListElement Text="Pdf" Value="pdf" />
<dxxr:ListElement Text="Xls" Value="xls" />
<dxxr:ListElement Text="Rtf" Value="rtf" />
<dxxr:ListElement Text="Mht" Value="mht" />
<dxxr:ListElement Text="Text" Value="txt" />
<dxxr:ListElement Text="Csv" Value="csv" />
<dxxr:ListElement Text="Image" Value="png" />
</Elements>
</dxxr:ReportToolbarComboBox>
</Items>
<Styles>
<LabelStyle>
<Margins MarginLeft="3px" MarginRight="3px" />
</LabelStyle>
</Styles>
</dxxr:ReportToolbar>
<br />
<dxxr:ReportViewer ID="ReportViewer1" runat="server"
onunload="ReportViewer1_Unload">
</dxxr:ReportViewer>
</div>
</form>
</body>
</html>

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