ibatisnet连接mysql的问题

我用的ibatisnet版本分别是（dataaccess1.9.2,datamapper1.6.2）,连接mysql时报错：Unable to open connection to "MySQL, ByteFx provider V0.7.6.15073".未处理 IBatisNet.DataMapper.Exceptions.DataMapperException
  Message="Unable to open connection to \"MySQL, ByteFx provider V0.7.6.15073\"."
  Source="IBatisNet.DataMapper"
  StackTrace:
       在 IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString)
       在 IBatisNet.DataMapper.SqlMapSession.OpenConnection()
       在 IBatisNet.DataMapper.SqlMapper.OpenConnection()
       在 MicroManager.Ibatis.Dao.UserDaoImpl.InsertUser(User user) 位置 D:\project_cs\MicroManager\MicroManager\src\Ibatis\Dao\UserDaoImpl.cs:行号 26
       在 MicroManager.Program.Main() 位置 D:\project_cs\MicroManager\MicroManager\src\Program.cs:行号 30
       在 System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)
       在 System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       在 Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       在 System.Threading.ThreadHelper.ThreadStart()请问这是什么问题啊？？？？？我的配置如下：
SqlMap.config<?xml version="1.0" encoding="utf-8"?>
<sqlMapConfig xmlns="http://ibatis.apache.org/dataMapper" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <settings>
<setting useStatementNamespaces="false"/>
</settings> <providers resource="providers.config"/>  <database>
    <provider name="ByteFx" />
    <dataSource name="micro_manager" 
                connectionString="Host=localhost;Database=micro_manager;
       Password=123456;Username=root" />
  </database> <sqlMaps>
    <sqlMap resource="User.xml"/> 
</sqlMaps>

</sqlMapConfig>
模板：user.xml
<?xml version="1.0" encoding="UTF-8" ?>
<sqlMap namespace="User" xmlns="http://ibatis.apache.org/mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">  <alias>
    <typeAlias alias="User" type="MicroManager.Ibatis.Domain.User, MicroManager" />
  </alias>  <!-- =============================================
        MAPPED STATEMENTS 
    ============================================= 
    -->
  <resultMaps>
    <resultMap id="SelectAllResult" class="User">
      <result property="UserId" column="user_id" />
      <result property="UserName" column="user_name" />
      <result property="UserPassword" column="user_password" />
      <result property="UserRole" column="user_role" />
      <result property="UserDate" column="user_date" />
    </resultMap>
  </resultMaps>  <statements>    <insert id="InsertUser" parameterClass="User">
      Insert Into user
      (user_id, user_name, user_password, user_role, user_date)
      Values
      (#UserId#, #UserName#, #UserPassword#, #UserRole#, #UserDate#)
    </insert>    <select id ="SelcetAllUser">
      Select * from user
    </select>  </statements></sqlMap>