OracleConnection conn =
new OracleConnection();
try
{
conn.ConnectionString =
configurationManager.ConnectionStrings["oradb"].ConnectionString;
conn.O
PEn();
string sql = " select id,content
From test"; // C#
OracleCommand cmd = new OracleCommand(sql, conn);
cmd
.COMmandType = CommandType.Text;
OracleDataReader dr = cmd.ExecuteReader(); // C#
List<string> contents = newList<string>();
while(dr.Read())
{
contents.Add(dr["content"].ToString());
}
listBox1.
ITemsSource = contents;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
conn.Clone();
}
<connectionStrings >
<add name="oradb"connectionString="Data Source=(DESCRIPTION=
(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.1)(PORT=1521)))
(CONNECT_DATA=(SERVICE_NAME=****)));
User Id=***;Password=***;"/>
</connectionStrings>
按照上述的步骤执行，如果没有错误，就可以成功地连接数据库了。