我正在尝试在 asp.net AJAX Toolkit Tab Control 中使用谷歌可视化柱形图,但我遇到了一些小问题(字面意思)。
如果我将可视化添加到页面加载时默认显示的选项卡,条形图会正确显示,但是,如果我将相同的控件添加到另一个选项卡并重新加载页面,当我单击另一个选项卡时,控件是显示,但它很小且无法使用。
下面是一些说明问题的 test.aspx 页面的代码:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="TestProject._Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!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 id="Head1" runat="server">
<title></title>
<script type="text/javascript" src="http://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load('visualization', '1', { packages: ['columnchart'] });
</script>
<script type="text/javascript">
function drawVisualization() {
// Create and populate the data table.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Name');
data.addColumn('number', 'Height');
data.addRows(3);
data.setCell(0, 0, 'Tong Ning mu');
data.setCell(1, 0, 'Huang Ang fa');
data.setCell(2, 0, 'Teng nu');
data.setCell(0, 1, 174);
data.setCell(1, 1, 523);
data.setCell(2, 1, 86);
// Create and draw the visualizations.
new google.visualization.ColumnChart(document.getElementById('visualization1')).
draw(data, null);
new google.visualization.ColumnChart(document.getElementById('visualization2')).
draw(data, null);
}
google.setOnLoadCallback(drawVisualization);
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<div>
<cc1:TabContainer ID="TabContainer1" runat="server">
<cc1:TabPanel runat="server" HeaderText="TabPanel1" ID="TabPanel1">
<ContentTemplate>
<div id="visualization1" style="width: 300px; height: 300px;">
</div>
</ContentTemplate>
</cc1:TabPanel>
<cc1:TabPanel runat="server" HeaderText="TabPanel1" ID="TabPanel2">
<ContentTemplate>
<div id="visualization2" style="width: 300px; height: 300px;">
</div>
</ContentTemplate>
</cc1:TabPanel>
</cc1:TabContainer>
</div>
</form>
</body>
</html>