[英]Rendering web controls as plain text into a string
有什么方法可以呈現在瀏覽器中顯示的文本,而不是底層的html。 我正在嘗試在服務器端代碼上模擬javascript的.innerText()功能。
例如,以下代碼可以渲染“ Hello World”而不是
<div id="Panel1">
<div>Hello World</div>
</div>
這是代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RenderControl.aspx.cs"
Inherits="AccessibleMenu.RenderControl" Trace="true" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<asp:Panel ID="Panel1" runat="server">
<div>Hello World</div>
</asp:Panel>
</form>
</body>
</html>
<script type="text/C#" runat="server">
protected void Page_Load(object sender, EventArgs e)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
System.IO.StringWriter sw = new System.IO.StringWriter(sb);
HtmlTextWriter htw = new HtmlTextWriter(sw);
Panel1.RenderControl(htw);
Trace.Write(sb.ToString());
}
</script>
您必須更改HTML以使用文字:
<body>
<form id="form1" runat="server">
<asp:Literal ID="HelloWorld" runat="server"></asp:Literal>
</form>
</body>
您的C#:
protected void Page_Load(object sender, EventArgs e)
{
HelloWorld.Text = 'Your text without HTML':
}
當不需要標記時,PlaceHolder和Literal是您的朋友:)
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RenderControl.aspx.cs" Inherits="AccessibleMenu.RenderControl" Trace="true" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:PlaceHolder ID="PlaceHolder1" runat="server">
<asp:Literal ID="Literal1" runat="server" Text="Literal1"></asp:Literal>
</asp:PlaceHolder>
</div>
</form>
</body>
</html>
<script type="text/C#" runat="server">
protected void Page_Load(object sender, EventArgs e)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
System.IO.StringWriter sw = new System.IO.StringWriter(sb);
HtmlTextWriter htw = new HtmlTextWriter(sw);
PlaceHolder1.RenderControl(htw);
Trace.Write(sb.ToString());
}
</script>
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