.NET 2.0得到本页生成的HTML代码
.NET 2.0得到本页生成的HTML代码
在ASP.NET 2.0中，有时候需要对ASP.NET生成的HTML代码进行处理，或者是保存成静态文件。ASP.NET 提供了直接将请求保存成文件的方法：HttpRequest.SaveAs方法。下面这个方法就是在ASP.NET 2.0中得到ASP.NET生成的HTML代码，同时，生成一个静态文件的方法。
C#
＜%@ Page Language="C#[/img]
＜!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN[/img]"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"＞
＜script runat="server"＞
// 计算数据，完全可以从数据看取得
ICollection CreateDataSource( )
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("学生姓名", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("语文", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("数学", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("英语", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));
for (int i = 0 ; i ＜ 50 ; i )
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = "班级[/img]dr[1] = "【孟子E章】[/img]dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[5] = System.Math.Round(rd.NextDouble() * 100, 2);
dt.Rows.Add(dr);
}
System.Data.DataView dv = new System.Data.DataView(dt);
return dv;
}
protected void Page_Load( object sender, EventArgs e )
{
if (!IsPostBack)
{
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
}
protected override void Render( HtmlTextWriter writer )
{
System.IO.StringWriter html = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter tw = new System.Web.UI.HtmlTextWriter(html);
base.Render(tw);
System.IO.StreamWriter sw;
sw = new System.IO.StreamWriter(Server.MapPath("a.htm"), false, System.Text.Encoding.Default);
sw.Write(html.ToString());
sw.Close();
tw.Close();
Response.Write(html.ToString());
}
＜/script＞
＜html xmlns="http://www.w3.org/1999/xhtml"＞
＜head＞
＜title＞得到ASP.NET生成的HTML＜/title＞
＜/head＞
＜body＞
＜form id="Form1[/img]＜asp:GridView ID="GridView1[/img]GridLines="Both[/img]＜HeaderStyle BackColor="#EDEDED[/img]＜/asp:GridView＞
＜/form＞
＜/body＞
＜/html＞
VB.NET
＜%@ Page Language="VB[/img]＜!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN[/img]"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"＞
＜script runat="server"＞
Function CreateDataSource() As ICollection
Dim dt As System.Data.DataTable = New System.Data.DataTable
Dim dr As System.Data.DataRow
dt.Columns.Add(New System.Data.DataColumn("学生班级", GetType(System.String)))
dt.Columns.Add(New System.Data.DataColumn("学生姓名", GetType(System.String)))
dt.Columns.Add(New System.Data.DataColumn("语文", GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn("数学", GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn("英语", GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn("计算机", GetType(System.Decimal)))
Dim i As Integer = 0
For i = 0 To 50 - 1
Dim rd As System.Random = New System.Random(Environment.TickCount * i)
dr = dt.NewRow
dr(0) = "班级[/img]dr(1) = "【孟子E章】[/img]dr(2) = System.Math.Round(rd.NextDouble * 100, 2)
dr(3) = System.Math.Round(rd.NextDouble * 100, 2)
dr(4) = System.Math.Round(rd.NextDouble * 100, 2)
dr(5) = System.Math.Round(rd.NextDouble * 100, 2)
dt.Rows.Add(dr)
Next
Dim dv As System.Data.DataView = New System.Data.DataView(dt)
Return dv
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
GridView1.DataSource = CreateDataSource()
GridView1.DataBind()
End If
End Sub
Protected Overloads Overrides Sub Render(ByVal writer As HtmlTextWriter)
Dim html As System.IO.StringWriter = New System.IO.StringWriter
Dim tw As System.Web.UI.HtmlTextWriter = New System.Web.UI.HtmlTextWriter(html)
MyBase.Render(tw)
Dim sw As System.IO.StreamWriter
sw = New System.IO.StreamWriter(Server.MapPath("a.htm"), False, System.Text.Encoding.Default)
sw.Write(html.ToString)
sw.Close()
tw.Close()
Response.Write(html.ToString)
End sub
＜/script＞
＜html xmlns="http://www.w3.org/1999/xhtml"＞
＜head＞
＜title＞得到ASP.NET生成的HTML＜/title＞
＜/head＞
＜body＞
＜form id="Form1[/img]＜asp:GridView ID="GridView1[/img]GridLines="Both[/img]＜HeaderStyle BackColor="#EDEDED[/img]＜/asp:GridView＞
＜/form＞
＜/body＞
＜/html＞
