原文: C#中的ODBC、OLEDB連接
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using
System;
using
System.Collections.Generic;
using
System.Text;
using
System.Data.Odbc;
using
System.Data.OleDb;
namespace
ODBCTest
{
class
Program
{
static
void
Main(
string
[] args)
{
Console.WriteLine(
"
##################################ODBC連接1#############################
"
);
using
(OdbcConnection conn =
new
OdbcConnection(
"
driver={SQL Server};SERVER=127.0.0.1;UID=sa;PWD=Abc123123;DATABASE=booking
"
))
{
conn.Open();
OdbcCommand cmd
=
conn.CreateCommand();
cmd.CommandText
=
"
select * from TEST
"
;
using
(OdbcDataReader reader =
cmd.ExecuteReader())
{
Console.WriteLine(
"
字段數(shù):\t{0}
"
, reader.FieldCount);
Console.WriteLine(
"
==============數(shù)據(jù)內(nèi)容===========
"
);
while
(reader.Read())
{
Console.WriteLine(
"
ID: {0}\tTitle: {1}
"
, reader.GetInt32(
0
).ToString(), reader.GetString(
1
));
}
}
}
Console.WriteLine(
"
################################ODBC連接2###############################
"
);
string
conString =
"
Dsn=ggyy1;
"
+
"
Uid=sa;
"
+
"
Pwd=Abc123123;
"
;
//
Dsn表示在ODBC創(chuàng)建的用戶數(shù)據(jù)源名
OdbcConnection con
=
new
OdbcConnection(conString);
string
sql =
"
select * from TEST
"
;
//
stuinfo為用戶數(shù)據(jù)源綁定的數(shù)據(jù)庫中的一個表
con.Open();
OdbcCommand com
=
new
OdbcCommand(sql, con);
using
(OdbcDataReader reader =
com.ExecuteReader())
{
Console.WriteLine(
"
字段數(shù):\t{0}
"
, reader.FieldCount);
Console.WriteLine(
"
==============數(shù)據(jù)內(nèi)容===========
"
);
while
(reader.Read())
{
Console.WriteLine(
"
ID: {0}\tTitle: {1}
"
, reader.GetInt32(
0
).ToString(), reader.GetString(
1
));
}
}
Console.WriteLine();
Console.WriteLine(
"
##################################OLEDB連接#############################
"
);
string
conString1 =
@"
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\test.mdb
"
;
//
連接Access數(shù)據(jù)庫
string
sql1 =
"
select count(*) from TEST
"
;
OleDbConnection con1
=
new
OleDbConnection(conString1);
con1.Open();
OleDbCommand com1
=
new
OleDbCommand(sql1, con1);
int
i =
Convert.ToInt32(com1.ExecuteScalar());
Console.WriteLine(i);
Console.Read();
}
}
}
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