[英]Creating HTML tags dynamically in code-behind
How can I add HTML tags to aspx file from the code-behind? 如何从代码隐藏中将HTML标记添加到aspx文件?
When I create new object 当我创建新对象时
Graph MyChart = new Graph();
I want it add a tag for this object 我想为它添加一个标签
<Graph id="MyChart" runat="server" Height="500px"></Graph>
What is the solution for that? 解决方案是什么?
Not sure if we are talking about a .NET control or HTML on the fly, I give examples of both. 不确定我们是否正在讨论.NET控件或HTML,我举两个例子。
This will add it to the end of the page, but I suggest you use a PlaceHolder
to control where it gets added: 这会将它添加到页面的末尾,但我建议您使用PlaceHolder
来控制添加位置:
Graph MyChart = new Graph();
MyChart.ID = "MyChart";
Page.Controls.Add(MyChart);
//genericcontrol example
HtmlGenericControl NewControl = new HtmlGenericControl("graph");
// Set the properties of the new HtmlGenericControl control.
NewControl.ID = "MyGraph";
Page.Controls.Add(NewControl);
PlaceHolder
example: PlaceHolder
示例:
<form id="form1" runat="server">
<h3>PlaceHolder Example</h3>
<asp:PlaceHolder id="PlaceHolder1"
runat="server"/>
</form>
protected void Page_Load(Object sender, EventArgs e)
{
Graph MyChart = new Graph();
MyChart.ID = "MyChart";
PlaceHolder1.Controls.Add(MyChart);
//genericcontrol example
HtmlGenericControl NewControl = new HtmlGenericControl("graph");
// Set the properties of the new HtmlGenericControl control.
NewControl.ID = "MyGraph";
PlaceHolder1.Controls.Add(NewControl);
}
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