OA系统

开发平台：
ASP/ASPX

announce_detail.aspx.cs：源码内容
							using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class web_announcement_announce_detail : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.QueryString["a_id"] != null)
            {
                this.SetValue(Request.QueryString["a_id"]);
            }
        }
    }
    protected void SetValue(string id)
    {
        SqlConnection conn = dbConnection.getConnection();
        conn.Open();
        SqlCommand cmd = new SqlCommand("select a.subject, t.name type, a.content, a.validate_date, a.cre_user," +
            "a.cre_date, a.attachment, a.attachment_save_name, a.attachment_length from OA_ANNOUNCEMENT a " +
            "inner join OA_ANNOUNCEMENT_TYPE t on a.type_id=t.id where a.id=" + id, conn);
        SqlDataReader dr = cmd.ExecuteReader();
        if (dr.Read())
        {
            LblSubject.Text = dr["subject"].ToString();
            LblType.Text = dr["type"].ToString();
            LblContent.Text = dr["content"].ToString();
            LblValidateDate.Text = dr["validate_date"].ToString();
            LblCreUser.Text = dr["cre_user"].ToString();
            LblCreDate.Text = dr["cre_date"].ToString();
            if (!dr["attachment"].ToString().Equals(""))
            {
                TblAnnouncement.Rows[6].Visible = true;
                LbAttachment.Text = dr["attachment"].ToString();
                AttachmentSaveName.Value = dr["attachment_save_name"].ToString();
                ContentLength.Value = dr["attachment_length"].ToString();
            }
        }
        dr.Close();
        conn.Close();
    }
    protected void LbAttachment_Click(object sender, EventArgs e)
    {
        this.DownLoadFile(AttachmentSaveName.Value);
    }
    protected void DownLoadFile(string name)
    {
        string directory = "..\oa_upload\announce\";
        try
        {
            Response.Clear();
            Response.ClearHeaders();
            Response.Buffer = false;
            Response.ContentType = "application/octet-stream";
            Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(LbAttachment.Text, System.Text.Encoding.UTF8));
            Response.AppendHeader("Content-Length", ContentLength.Value);
            Response.WriteFile(directory + name);
            Response.Flush();
            Response.End();
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
    }
}

						