admin_bmxz.aspx.cs

一个供大家参考的自己做的计算机等级考试网上系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;

namespace djks.admin
{
	/// <summary>
	/// admin_bmxz 的摘要说明。
	/// </summary>
	public class admin_bmxz : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtb_photo;
		protected System.Web.UI.WebControls.Button btn_upload;
		protected System.Web.UI.WebControls.TextBox txtb_annex;
		protected System.Web.UI.WebControls.Button btn_annex;
		protected DXControls.DXTB content;
		protected System.Web.UI.WebControls.Button btn_Update;
		protected System.Web.UI.HtmlControls.HtmlGenericControl DIV1;
		protected System.Web.UI.HtmlControls.HtmlInputFile photo;
		protected System.Web.UI.HtmlControls.HtmlInputFile annex;
		protected System.Web.UI.HtmlControls.HtmlGenericControl FONT1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!this.IsPostBack)
			{
				if(Session["admin_name_login_user"]==null)
				{
					Response.Redirect("manager_login.aspx");
				}		
				update();						
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.btn_upload.Click += new System.EventHandler(this.btn_upload_Click);
			this.btn_annex.Click += new System.EventHandler(this.btn_annex_Click);
			this.btn_Update.Click += new System.EventHandler(this.btn_Update_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void update()
		{
			DataTable dt=new DataTable();
			dt=database.CreateDateSet("select * from bmxz").Tables[0];
			content.Text=dt.Rows[0]["txt"].ToString();	
			
			//  标签邦定
			
		}

		private void btn_Update_Click(object sender, System.EventArgs e)
		{
			string sql="update bmxz set txt='"+Request.Form["content"]+"' where id=1";
			database.doSql(sql);
		
		}

		private void btn_upload_Click(object sender, System.EventArgs e)
		{
			string strname;
			if(this.photo.PostedFile.ContentLength.ToString()=="")
			{
				hxyy_js.jsAlert("上传的文件不存在");
			}
			else
			{
				strname=System.DateTime.Now.ToString().Replace(" ","").Replace("-","").Replace(":","")+Path.GetExtension(photo.PostedFile.FileName);
				string ext=Path.GetExtension(photo.PostedFile.FileName);
				if(ext==".jpg"||ext==".gif"||ext==".bmp"||ext=="png"||ext==".BMP")
				{
					this.txtb_photo.Text=strname;
					photo.PostedFile.SaveAs(System.Web.HttpContext.Current.Server.MapPath("../UpLoad/")+strname);
					this.content.Text+="<img src=\"../UpLoad/"+strname+"\">";
				}
				else
				{
					hxyy_js.jsAlert("上传文件格式不对,请重新上传");
				}
			}
		}

		private void btn_annex_Click(object sender, System.EventArgs e)
		{
			string strname;
			string temp;
			if(this.annex.PostedFile.ContentLength.ToString()=="")
			{
				hxyy_js.jsAlert("上传的文件不存在");
			}
			else
			{
				strname=System.DateTime.Now.ToString().Replace(" ","").Replace("-","").Replace(":","")+Path.GetExtension(annex.PostedFile.FileName);
				temp=annex.PostedFile.FileName;	
				temp=temp.Substring(temp.LastIndexOf("\\")+1);
				string ext=Path.GetExtension(annex.PostedFile.FileName);
				if(ext==".doc"||ext==".txt"||ext==".rar"||ext==".zip"||ext==".swf"||ext=="ppt")
				{
					annex.PostedFile.SaveAs(System.Web.HttpContext.Current.Server.MapPath("../UpLoad/")+strname);
					this.txtb_annex.Text="../UpLoad/"+strname;
					this.content.Text+="附件:<a href=\"../UpLoad/"+strname+"\">"+temp+"</a>";
				}
			}
		}
	}
}