builder.ConfigureAndWatch( "dao.config ", handler);
吓猜一个, 是不是handler is nothing
吓猜一个, 是不是handler is nothing
解决方案 »
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代吗如下
public class ServiceConfig
{
static private object _synRoot = new Object();
static private ServiceConfig _instance; private IDaoManager _daoManager = null; /// <summary>
/// Remove public constructor. prevent instantiation.
/// </summary>
private ServiceConfig() { } static public ServiceConfig GetInstance()
{
if (_instance == null)
{
lock (_synRoot)
{
if (_instance == null)
{
ConfigureHandler handler = new ConfigureHandler(ServiceConfig.Reset); DomDaoManagerBuilder builder = new DomDaoManagerBuilder();
builder.ConfigureAndWatch("dao.config", handler); _instance = new ServiceConfig();
// TODO:默认为sqlMapDao指定的Context, 要提供对多个Context的支持.
_instance._daoManager = IBatisNet.DataAccess.DaoManager.GetInstance("SqlMapDao");
}
}
}
return _instance;
}
我在页面上是这样调用的,但是第一行久出错了
CatalogAction action2 = new CatalogAction(Context);
IList tt2 = (IList)action2.GetSearchList(searchTxt); this.GridView1.DataSource = tt2;
this.GridView1.DataBind();
再猜一个, 是不是"dao.config"没结尾空格
错误不在你的代码,你的代码应该是从另外的成熟的ibatis结构中拷贝出来的
错误应该是出现在你的配置文件中
包括maps文件和dao.config文件[ConfigurationException:
- The error occurred while loading SqlMap.
- The error occurred in <sqlMap resource="Maps/Hb001Family.xml" xmlns="http://ibatis.apache.org/dataMapper" /> .]
IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.Build(XmlDocument document, DataSource dataSource, Boolean useConfigFileWatcher, Boolean isCallFromDao) +287
IBatisNet.DataMapper.Configuration.DomSqlMapBuilder.Build(XmlDocument document, DataSource dataSource, Boolean useConfigFileWatcher, NameValueCollection properties) +45
IBatisNet.DataAccess.DaoSessionHandlers.SqlMapDaoSessionHandler.Configure(NameValueCollection properties, IDictionary resources) +528 [ConfigurationException: DaoManager could not configure SqlMapDaoSessionHandler.Cause:
- The error occurred while loading SqlMap.
- The error occurred in <sqlMap resource="Maps/Hb001Family.xml" xmlns="http://ibatis.apache.org/dataMapper" /> .]
IBatisNet.DataAccess.DaoSessionHandlers.SqlMapDaoSessionHandler.Configure(NameValueCollection properties, IDictionary resources) +610
IBatisNet.DataAccess.Configuration.DomDaoManagerBuilder.GetContexts(ConfigurationScope configurationScope) +1277
IBatisNet.DataAccess.Configuration.DomDaoManagerBuilder.BuildDaoManagers(XmlDocument document, Boolean useConfigFileWatcher) +163 仔细看这两段中加黑的部分
检查你的这两个文件
因为sqlmap加载失败,因此导致
ConfigureHandler handler = new ConfigureHandler(ServiceConfig.Reset);
中的handler为null,当然就报 未将对象引用设置到对象的实例 错误了