C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà
C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà
using System;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
namespace Framework.DataBase
{
///
/// ͨÓÃÊý¾Ý¿âÀà
///
public class DataBase
{
private string ConnStr = null;
public DataBase()
{
ConnStr = ConfigurationSettings.AppSettings["ConnStr"];
}
public DataBase(string Str)
{
try
{
this.ConnStr = Str;
}
catch(Exception ex)
{
throw ex;
}
}
///
/// ·µ»Øconnection¶ÔÏó
///
///
public SqlConnection ReturnConn()
{
SqlConnection Conn = new SqlConnection(ConnStr);
Conn.Open();
return Conn;
}
public void Dispose(SqlConnection Conn)
{
if(Conn!=null)
{
Conn.Close();
Conn.Dispose();
}
}
///
/// ÔËÐÐSQLÓï¾ä
///
///
public void RunProc(string SQL)
{
SqlConnection Conn;
Conn = new SqlConnection(ConnStr);
Conn.Open();
SqlCommand Cmd ;
Cmd = CreateCmd(SQL, Conn);
try
{
Cmd.ExecuteNonQuery();
}
catch
{
throw new Exception(SQL);
}
Dispose(Conn);
return;
}
///
/// ÔËÐÐSQLÓï¾ä·µ»ØDataReader
///
///
/// SqlDataReader¶ÔÏó.
public SqlDataReader RunProcGetReader(string SQL)
{
SqlConnection Conn;
Conn = new SqlConnection(ConnStr);
Conn.Open();
SqlCommand Cmd ;
Cmd = CreateCmd(SQL, Conn);
SqlDataReader Dr;
try
{
Dr = Cmd.ExecuteReader(CommandBehavior.Default);
}
catch
Ïà¹ØÎĵµ£º
ÎÄÕÂÔ´´£¬×ªÔØÇëÓëBlogÖ÷ÈËÁªÏµ£¬robin9257@hotmail.com
JAVAÓëSQLÇŽӵÄÓÅȱµã£º
1¡¢Óŵ㣺²»ÓÃÏÂÔØÇý¶¯³ÌÐò£¬ÔÊÐíÓÃÏàͬ´úÂë·ÃÎʲ»Í¬DBMS¡£
2¡¢È±µã£ºÐ§Âʵ͡£
¾³£³öÏֵı¨´íµã£º
1¡¢java.sql.SQLException: [Microsoft][ODBC Çý¶¯³ÌÐò¹ÜÀíÆ÷] δ·¢ÏÖÊý¾ÝÔ´Ãû³Æ²¢ÇÒδָ¶¨Ä¬ÈÏÇý¶¯³ÌÐò
&nbs ......
bit£º0»ò1µÄÕûÐÍÊý×Ö
int£º´Ó-2^31(-2,147,483,648)µ½2^31(2,147,483,647)µÄÕûÐÍÊý×Ö
smallint£º´Ó-2^15(-32,768)µ½2^15(32,767)µÄÕûÐÍÊý×Ö
tinyint£º´Ó0µ½255µÄÕûÐÍÊý×Ö
decimal£º´Ó-10^38µ½10^38-1µÄ¶¨¾«¶ÈÓëÓÐЧλÊýµÄÊý×Ö
numeric£ºdecimalµÄͬÒå´Ê
money£º´Ó-2^63(-922,337,203,685,477.580 ......
½â¾ö·½·¨...
¹ØÓÚSQL°²×°±»¹ÒÆðµÄÐÞ¸´´ó¼Ò¿ÉÄܶ¼Óöµ½¹ýµ±SQL±»É¾³ýºóÐèÒªÖØÐ°²×°Ê±£¬½øÈë°²×°½çÃæ¾Í»á³öÏÖSQL´íÎóÌáʾ£º
´ÓǰµÄ°²×°³ÌÐò²Ù×÷ʹ°²×°³ÌÐò²Ù×÷¹ÒÆð£¬ÐèÒªÖØÐÂÆô¶¯¼ÆËã»ú
È»¶øÕâЩ¶¼Êǰ׷Ѿ¢£¬²»¹ÜÄãÖØÐÂÆô¶¯¶àÉÙ´ÎÒ²¶¼ÎÞ¼ÃÓÚÊ£¬ÏÂÃæÎҾͽ²½²ÔõÑùÄܹ»½â³ý°²×°»òÉý¼¶Ê±Îļþ±»¹ÒÆðµÄ²Ù×÷¡£
µã»÷ ¿ ......
ÔÚÎÒÃǵÄÈÕ³£±à³ÌÖУ¬Êý¾Ý¿âµÄ³ÌÐò»ù±¾É϶¼ÒªÓëSQLÓï¾ä´ò½»µÀ£¬SQLÓï¾äµÄ±àд²»¿É±ÜÃâµÄ³ÉΪһ¸öÍ·Ì۵Ť×÷¡£ÇÒÒòΪSQLÓï¾äÊÇSTRINGÀàÐÍ£¬Òò´ËÔÚ±àÒë½×¶Î²é²»³ö´í£¬Ö»Óе½ÔËÐÐʱ²ÅÄÜ·¢ÏÖ´íÎó¡£
±¾ÎĵĽâ¾ö·½°¸£¬Í¨¹ý×Ô¶¯Éú³ÉSQLÓï¾ä£¬ÔÚÒ»¶¨³Ì¶ÈÉϽµµÍ³ö´íµÄ¸ÅÂÊ£¬´Ó¶øÌá¸ß±à³ÌЧÂÊ¡£ public int ......
ÓÉÓÚ´¦ÓÚϵͳ¿ª·¢µÄºóÆÚ£¬ÐèÒª¸ø¿Í»§ÑÝʾ¡£·¢ÏÖ´óÁ¿µÄ±í£¬´æÔÚ´óÁ¿µÄ²âÊÔÊý¾Ý¡£ÐèÒªÇå³ý£¬ÓÓdelete from tablename” --> ÔÎËÀ¡£ºóÀ´·¢ÏÖ¾ÓÈ»ÓÐÕâôǿ´óµÄ¶«¶«¡£ £º£©
EXECUTE sp_msforeachtable 'delete from ?'
......