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【Asp.Net】动态改写用户控件

作者:today / 发布于2013/6/17/ 699


	代码Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Web;
	using System.Web.UI;
	using System.Web.UI.WebControls;
	using System.IO;
	using BaiChang.HeaBlog.Entity;
	using BaiChang.HeaBlog.Framework;

	namespace BaiChang.HeaBlog.WebSite.PreReal
	{
	 public partial class ShowHealDiary : BaiChang .HeaBlog .Framework .HttpHandler.UserPage
	 {
	 string rootPath = "~/PreReal/Control/";
	 string currPath = string.Empty;

	 protected void Page_Load(object sender, EventArgs e)
	 {
	 if (!IsPostBack)
	 {
	 BindFilesToDropDownList();
	 }
	 currPath = ddlFileChoose.SelectedItem.Value;
	 if(!IsPostBack )
	 {
	 ReadFiles();
	 }
	 }

	 protected void ddlFileChoose_SelectedIndexChanged(object sender, EventArgs e)
	 {
	 currPath = ddlFileChoose.SelectedItem.Value;
	 ReadFiles();
	 }

	 protected void btnSave_Click(object sender, EventArgs e)
	 {
	 File.WriteAllText(Server .MapPath ( currPath), txtPage.Text, System.Text.Encoding.Default);
	 File.WriteAllText(Server.MapPath(currPath + ".cs"), txtCode.Text, System.Text.Encoding.Default);
	 }

	 protected void btnPreview_Click(object sender, EventArgs e)
	 {
	 PreViewPart.Visible = true;
	 PreViewPart.Controls.Add(LoadControl(currPath));
	 }

	 #region Helper
	 void BindFilesToDropDownList()
	 {
	
	 string[] files = Directory.GetFiles(Server.MapPath(rootPath),"*.ascx");
	 files.ToList().ForEach(it =>
	 {
	 FileInfo info = new FileInfo(it);
	 ddlFileChoose.Items.Add(new ListItem(info.Name, rootPath+info.Name));
	 });
	 }

	 void ReadFiles()
	 {
	 txtPage.Text = File.ReadAllText(Server.MapPath(currPath), System.Text.Encoding.Default);
	 txtCode.Text = File.ReadAllText(Server.MapPath(currPath + ".cs"), System.Text.Encoding.Default);
	 }
	 #endregion
	 }
	}

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