从数据库读出的字段，比如新闻的格式，要做简要显示的时候，需要去掉格式，只显示文本，以下是整理的一个方法，更新中。。。
测试环境：VS2005+.NET 2.0 +C#
1、引用using System.Text.RegularExpressions
2、主要方法
测试环境：VS2005+.NET 2.0 +C#
1、引用using System.Text.RegularExpressions
2、主要方法
1
public string RemoveHtml(string strHtml)
2
{
3
string strhtml = Regex.Replace(strHtml, "<.+?>", "");
4 strhtml = Regex.Replace(strhtml, "<br>", "", RegexOptions.IgnoreCase);
5 return strhtml;
6
}
3、全部代码，包括后台：public string RemoveHtml(string strHtml) 2
{
3
string strhtml = Regex.Replace(strHtml, "<.+?>", "");4
strhtml = Regex.Replace(strhtml, "<br>", "", RegexOptions.IgnoreCase);5
return strhtml;6
} 1using System;
2using System.Data;
3using System.Configuration;
4using System.Web;
5using System.Web.Security;
6using System.Web.UI;
7using System.Web.UI.WebControls;
8using System.Web.UI.WebControls.WebParts;
9using System.Web.UI.HtmlControls;
10using System.Text.RegularExpressions;
11
12public partial class _Default : System.Web.UI.Page
13{
14 protected void Page_Load(object sender, EventArgs e)
15
{
16 if (!IsPostBack)
17 {
18 TextBox1.Text="<table><tr><td>呵呵，<font color=red>测试</font>一下。。。<br />换行看看</td></tr></table>";
19
}
20 }
21
22 protected void btnFilterHtml_Click(object sender, EventArgs e)
23 {
24 string strhtml = TextBox1.Text;
25 Label1.Text = RemoveHtml(strhtml);
26 Label2.Text = TextBox1.Text;
27 }
28
29 public string RemoveHtml(string strHtml)
30 {
31 string strhtml = Regex.Replace(strHtml, "<.+?>", "");
32 strhtml = Regex.Replace(strhtml, "<br>", "", RegexOptions.IgnoreCase);
33 return strhtml;
34 }
35}
前台：using System;2
using System.Data;3
using System.Configuration;4
using System.Web;5
using System.Web.Security;6
using System.Web.UI;7
using System.Web.UI.WebControls;8
using System.Web.UI.WebControls.WebParts;9
using System.Web.UI.HtmlControls;10
using System.Text.RegularExpressions;11
12
public partial class _Default : System.Web.UI.Page 13
{14
protected void Page_Load(object sender, EventArgs e)15
{
16
if (!IsPostBack)17
{ 18
TextBox1.Text="<table><tr><td>呵呵，<font color=red>测试</font>一下。。。<br />换行看看</td></tr></table>";19
}20
}21
22
protected void btnFilterHtml_Click(object sender, EventArgs e)23
{24
string strhtml = TextBox1.Text;25
Label1.Text = RemoveHtml(strhtml);26
Label2.Text = TextBox1.Text;27
}28
29
public string RemoveHtml(string strHtml) 30
{31
string strhtml = Regex.Replace(strHtml, "<.+?>", "");32
strhtml = Regex.Replace(strhtml, "<br>", "", RegexOptions.IgnoreCase);33
return strhtml;34
}35
} 1<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" ValidateRequest="false" %>
2
3<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4
5<html xmlns="http://www.w3.org/1999/xhtml" >
6<head runat="server">
7 <title>无标题页</title>
8</head>
9<body>
10 <form id="form1" runat="server">
11 <div>
12 <asp:TextBox ID="TextBox1" runat="server" Rows="5" TextMode="MultiLine" Width="434px"></asp:TextBox><br />
13 <asp:Button ID="btnFilterHtml" runat="server" OnClick="btnFilterHtml_Click" Text="过滤掉标签" /><br />
14 <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
15 <hr />
16 <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
17 </div>
18 </form>
19</body>
20</html>
21
---可以直接复制运行
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" ValidateRequest="false" %>2
3
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
5
<html xmlns="http://www.w3.org/1999/xhtml" >6
<head runat="server">7
<title>无标题页</title>8
</head>9
<body>10
<form id="form1" runat="server">11
<div>12
<asp:TextBox ID="TextBox1" runat="server" Rows="5" TextMode="MultiLine" Width="434px"></asp:TextBox><br />13
<asp:Button ID="btnFilterHtml" runat="server" OnClick="btnFilterHtml_Click" Text="过滤掉标签" /><br />14
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>15
<hr />16
<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>17
</div>18
</form>19
</body>20
</html>21
