?? showap.aspx.cs
字號:
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.Data.OleDb;
using System.Configuration;
namespace SCard
{
/// <summary>
/// showAP 的摘要說明。
/// </summary>
public class showAP : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
try
{
String strID="-1";
strID=Request.QueryString["id"].ToString ();
string DBPath = ConfigurationSettings.AppSettings["DataBasePath"];
string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + Server.MapPath(DBPath);
OleDbConnection conn=new OleDbConnection(connStr);
String sql="SELECT * FROM append where id='" + strID + "'";
OleDbCommand command=new OleDbCommand(sql,conn);
conn.Open();
OleDbDataReader dr=command.ExecuteReader();
dr.Read();
byte[] imgdata = (byte[])dr["image"];
Response.BinaryWrite(imgdata);
dr.Close();
conn.Close();
}
catch
{
//打印 沒有圖片
string DBPath = ConfigurationSettings.AppSettings["DataBasePath"];
string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + Server.MapPath(DBPath);
OleDbConnection conn2=new OleDbConnection(connStr);
String sql="SELECT * FROM append where id='0'";
OleDbCommand command=new OleDbCommand(sql,conn2);
conn2.Open();
OleDbDataReader dr=command.ExecuteReader();
dr.Read();
byte[] imgdata2 = (byte[])dr["image"];
Response.BinaryWrite(imgdata2);
dr.Close();
conn2.Close();
}
}
#region Web 窗體設計器生成的代碼
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
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