/// <summary>
/// 从配置文件读取连接信息
/// 连接数据库
/// </summary>
private bool connectDB()
{
connectionString = ConfigClass.getInstance().getValue("connectionString");
conn = new MySqlConnection(connectionString);
try
{
conn.Open();
}
catch (MySqlException ex)
{
return(false);
}
if (conn.State == ConnectionState.Open)
{
isConnected = true;
}
return(true);
}