try
{
string _conStr = "Driver={MySQL ODBC 3.51
Driver};server=localhost;database=test;uid=test;password=1;option=3";
OdbcConnection _odbcCon = new OdbcConnection(_conStr);
_odbcCon.Open();
OdbcTransaction trans = _odbcCon.BeginTransaction
(IsolationLevel.ReadCommitted);
OdbcCommand cmd = new OdbcCommand();
cmd.Connection = trans.Connection;
cmd.Transaction = trans;
string _sqlStr = "";
try
{
_sqlStr = "update test ....."
cmd.CommandText = _sqlStr;
cmd.ExecuteNonQuery();
_sqlStr = "";
}
catch
{
&n
配置文件可用来存放一些多次用到的常量数据，如连接串：
<appSettings>
<add key="connStr1" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source="/>
<add key="connStr2" value="App_Data\test.mdb"/>
</appSettings>
这个配置数据库连接串
使用示例：
public class DBCo ......
