Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C#¹ØÓÚsqlserverÖжÁÈ¡imageÀàÐÍ

½ñÌìÔÚÍøÉÏÕÒÁËÐí¾Ã¹ØÓÚsqlserverÖд洢imageÀàÐͺͶÁÈ¡imageµÄ·½·¨£¬¿ÉÊǶ¼ÊÇÄÇôһµã£¬¹ÊÔÚ´ËÂÞÁÐһϣ¬Ï£Íû¿ÉÒÔ°ïÖú´ó¼Ò¡£
Ê×ÏÈÊǹØÓÚdataGridViewµÄ°ó¶¨¡£´úÂë¼ûÏÂ
private void button_show_Click(object sender, EventArgs e)
{
string sqlText = "server=localhost;initial catalog=Test; integrated security=true";
string sqlstr="select * from tast";
SqlConnection conn=new SqlConnection (sqlText);
conn.Open();
SqlCommand comm = new SqlCommand(sqlstr, conn);
DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = comm;
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
conn.Close();
}
ÏÂÃæÊDzåÈëͼÏñµ½Êý¾Ý¿â£¬´úÂëÈçÏ£º
  private void button_connect_Click(object sender, EventArgs e)
{
string sqlText = "server=localhost;initial catalog=Test; integrated security=true";
string sqlstr = "insert into tast(photo) values(@image) ";
SqlConnection conn = new SqlConnection(sqlText);
conn.Open();
SqlCommand comm = new SqlCommand(sqlstr, conn);
comm.Parameters.Add("@image", SqlDbType.Image).Value = GetPhoto("DSC_6126.JPG");
comm.ExecuteNonQuery();
conn.Close();
}
public byte[] GetPhoto(string str1)
{
string str = str1;
FileStream file = new FileStream(str, FileMode.Open, FileAccess.Read);
byte[]photo=new byte[file.Length];
file.Read(photo,0,photo.Length);
file.Close();
return photo;
}
ÏÂÃæ¾ÍÊǶÁȡͼƬÁË
private void button_showimg_Click(object sender, EventArgs e)
{
string sqlText = "server=localhost;initial catalog=Test; integrated security=true";
string sqlstr = "select *from tast where whf=1";
SqlConnection conn = new Sql


Ïà¹ØÎĵµ£º

È«ÎÄË÷ÒýÔ­Àí¼°ÆäʾÀý£¨sqlserver£©

È«ÎļìË÷ÊǶԴóÊý¾ÝÎı¾½øÐÐË÷Òý£¬ÔÚ½¨Á¢µÄË÷ÒýÖжÔÒª²éÕҵĵ¥´Ê½øÐнøÐÐËÑË÷£¬¶¨Î»ÄÄЩÎı¾Êý¾Ý°üÀ¨ÒªËÑË÷µÄµ¥´Ê¡£Òò´Ë£¬È«ÎļìË÷µÄÈ«²¿¹¤×÷¾ÍÊǽ¨Á¢Ë÷ÒýºÍÔÚË÷ÒýÖÐËÑË÷¶¨Î»£¬ËùÓеŤ×÷¶¼ÊÇÎ§ÈÆÕâÁ½¸öÀ´½øÐеġ£ÏÂÃæ¾ÍÖð¸ö½éÉÜ¡£
¡¡¡¡½¨Á¢È«ÎÄË÷ÒýÖÐÓÐÁ½Ïî·Ç³£ÖØÒª£¬Ò»¸öÊÇÈçºÎ¶ÔÎı¾½øÐзִʣ¬Ò»Êǽ¨Á¢Ë÷ÒýµÄÊý¾Ý½á¹¹¡ ......

Oracle´æ´¢¹ý³Ìת³ÉSqlserver´æ´¢¹ý³Ì

Oracle´æ´¢¹ý³Ìת³ÉSqlserver´æ´¢¹ý³Ì
1.ÈÕÆÚת»»
Oracle£º TO_NUMBER(TO_CHAR(SYSDATE, 'YYYYMMDD'))
SqlServer£ºCAST(CONVERT(CHAR(8),GETDATE(), 112) AS INT)
    ×¢£ºÆäÖБYYYYMMDD’¸ñʽ   ¶ÔÓ¦112
2.ROWIDת»»
Oracle£º ROWID
SqlServer: PRIMARY KEY(±íÖ÷¼ü)
3.ROWNUM ......

C#Éú³Écom×é¼þ£¬¹©aspµ÷ÓÃ

C#Éú³Écom×é¼þ£¬¹©aspµ÷ÓÃ
Ò»¡¢vs2005—н¨ÏîÄ¿—C#Àà¿â
Àà¿âÔ´ÂëÈçÏÂ(°üº¬½Ó¿Ú£¬À࣬ʼþ½Ó¿Ú)£º
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
namespace entryclass
{
   ......

C#ÖÐÓÃÓÚÁ¬½ÓSQLÊý¾Ý¿âµÄSQLHelperÀà

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;   //ÒýÓÃÃüÃû¿Õ¼ä
namespace DAL
{
    /*******************************************************************************
  &n ......

javaÖеÄsuperÓëc#ÖеÄbase


C#ÖжÔbaseµÄ½âÊÍ(Òý×ÔMSDN):
base ¹Ø¼ü×ÖÓÃÓÚ´ÓÅÉÉúÀàÖзÃÎÊ»ùÀàµÄ³ÉÔ±£º
µ÷ÓûùÀàÉÏÒѱ»ÆäËû·½·¨ÖØÐ´µÄ·½·¨¡£
Ö¸¶¨´´½¨ÅÉÉúÀàʵÀýʱӦµ÷ÓõĻùÀ๹Ô캯Êý¡£
»ùÀà·ÃÎÊÖ»ÄÜÔÚ¹¹Ô캯Êý¡¢ÊµÀý·½·¨»òʵÀýÊôÐÔ·ÃÎÊÆ÷ÖнøÐС£
´Ó¾²Ì¬·½·¨ÖÐʹÓà base ¹Ø¼ü×ÖÊÇ´íÎóµÄ¡£
ÔÚ±¾ÀýÖУ¬»ùÀà Person ºÍÅÉÉúÀà Employee ¶¼ÓÐÒ»¸ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ