Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ASP.NETʵÏÖ´ÓÊý¾Ý¿âÖжÁȡͼƬµÄ·½·¨

ÔÚASP.NETÖÐ,ÎÒÃÇ¿ÉÒÔÓÃÏÂÃæµÄ·½·¨ÊµÏÖ´ÓÊý¾Ý¿âÖжÁȡͼƬ²¢ÏÔʾÔÚÒ³ÃæÉÏ,·½·¨ÈçÏÂ:
      SqlConnection conn=new SqlConnection(ConfigurationSettings.AppSettings["ConnStr"]);
      String sql="SELECT  image from append where id='" + strID + "'";
      SqlCommand command=new SqlCommand(sql,conn);
 
      conn.Open();
      SqlDataReader dr=command.ExecuteReader();
      dr.Read();
      byte[] imgdata = (byte[])dr["image"];
      Response.BinaryWrite(imgdata);
      dr.Close();
      conn.Close();
ÔÚÐèÒªÏÔʾͼƬµÄµØ·½,¼ÓÉÏÕâÑùµÄ´úÂë,À´¿ØÖÆͼƬÏÔʾµÄλÖõÈÐÅÏ¢:
        <asp:Image ImageUrl="showAP.aspx?id=1"   ID="imgLogo"  Runat="server"></asp:Image>
ÕâÑù¾ÍʵÏÖÁË´ÓÊý¾Ý¿âÖжÁȡͼƬ²¢ÏÔʾµÄ¹¦ÄÜ.


Ïà¹ØÎĵµ£º

ASP.NET¹ØÓÚÌõÐÎÂëµÄÉú³ÉÎÊÌâ¼æÍøÒ³´òÓ¡

ÌõÐÎÂëÊÇÆù½ñΪֹ×î¾­¼Ã¡¢ÊµÓõÄÒ»ÖÖ×Ô¶¯Ê¶±ð¼¼Êõ¡£ÌõÐÎÂë¼¼Êõ¾ßÓÐÒÔϼ¸¸ö·½ÃæµÄÓŵã
¡¡¡¡A£®ÊäÈëËٶȿ죺Óë¼üÅÌÊäÈëÏà±È£¬ÌõÐÎÂëÊäÈëµÄËÙ¶ÈÊǼüÅÌÊäÈëµÄ5±¶£¬²¢ÇÒÄÜʵÏÖ“¼´Ê±Êý¾ÝÊäÈ딡£
¡¡¡¡B£®¿É¿¿ÐԸߣº¼üÅÌÊäÈëÊý¾Ý³ö´íÂÊΪÈý°Ù·ÖÖ®Ò»£¬ÀûÓùâѧ×Ö·ûʶ±ð¼¼Êõ³ö´íÂÊΪÍò·ÖÖ®Ò»£¬¶ø²ÉÓÃÌõÐÎÂë¼¼ÊõÎóÂëÂʵ ......

ASP.NETÒ³Ãæ¶ÔÏó

   »ñÈ¡ÇëÇóµÄÒ³µÄ HttpRequest ¶ÔÏó¡£
Ò»¡¢HttpRequest Àà
ʹ ASP.NET Äܹ»¶ÁÈ¡¿Í»§¶ËÔÚ Web ÇëÇóÆڼ䷢Ë굀 HTTP Öµ¡£
      ÏÂÃæµÄ´úÂëʾÀýʹÓà StreamWriter ÀཫÈô¸É HttpRequest ÀàÊôÐÔÖµµÄֵдÈëÎļþ¡£¶ÔÓÚÊÇ×Ö·û´®ÀàÐ͵ÄÊôÐÔ£¬ÊôÐÔÖµ±»Ð´ÈëÎļþʱ½«±»±àÂëΪ HTML¡£±íʾ¼¯ºÏµ ......

ASP.NETÒ³Ãæ¶ÔÏó

   »ñÈ¡ÇëÇóµÄÒ³µÄHttpApplicationState ¶ÔÏó¡£
Ò»¡¢HttpApplicationState Àà
      ×÷ÓãºÆôÓà ASP.NET Ó¦ÓóÌÐòÖжà¸ö»á»°ºÍÇëÇóÖ®¼äµÄÈ«¾ÖÐÅÏ¢¹²Ïí¡£
      ASP.NET Ó¦ÓóÌÐòµÄ¸ÅÄÊǵ¥¸ö Web ·þÎñÆ÷ÉϵÄij¸öÐéÄâĿ¼¼°Æä×ÓĿ¼·¶Î§ÄÚµÄËùÓÐÎļþ¡¢Ò³¡ ......

ASP.NETÒ³Ãæ¶ÔÏó

          »ñÈ¡ ASP.NET ÌṩµÄµ±Ç° Session ¶ÔÏó ( HttpSessionState Àà )¡£¸ÃÊôÐÔÌṩÓйص±Ç°ÇëÇóµÄ»á»°µÄÐÅÏ¢¡£Îª´Ó ASP.NET Ó¦ÓóÌÐòÇëÇóÒ³»òÎĵµµÄÿ¸öÓû§Î¬»¤Ò»¸ö Session ¶ÔÏó¡£µ±Óû§ÔÚÓ¦ÓóÌÐòÖдÓÒ»Ò³Òƶ¯µ½Áíһҳʱ£¬´æ´¢ÔÚ Session ¶ÔÏóÖеıäÁ¿²»»á±»·ÅÆú£»Ïà ......

ASP.NETÒ³Ãæˢз½·¨×ܽá

ÏÈ¿´¿´ASP.NETÒ³ÃæˢеÄʵÏÖ·½·¨£º
µÚÒ»£º
private void Button1_Click( object sender, System.EventArgs e ) { Response.Redirect( Request.Url.ToString( ) ); } µÚ¶þ£º
private void Button2_Click( object sender, System.EventArgs e ) { Response.Write( " < script language=javascript>window.locatio ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ