删除方法是相似的，除了不需要调用Attach的第二个版本 (Attach(object entity, bool asModified))。代码片断如下：
public void Delete(TEntity entity, bool hasRelationship)
{
InitDataContext();
try
{
if (hasRelationship)
{
//Remove the relationship between the entities;
Detach(entity);
}
m_context.GetTable<TEntity>().Attach(entity);
m_context.GetTable<TEntity>().DeleteOnSubmit(entity);
m_context.SubmitChanges();
}
catch (ChangeConflictException)
{
m_context.ChangeConflicts.ResolveAll(RefreshMode.KeepCurrentValues);
m_context.SubmitChanges();
}
}
public void Delete(IList<TEntity> entities, bool hasRelationship)
{
InitDataContext();
try
{
if (hasRelationship)
{
//Remove the relationship
foreach (TEntity entity in entities)
{
Detach(entity);
}
}
m_context.GetTable<TEntity>().AttachAll(entities);
m_context.GetTable<TEntity>().DeleteAllOnSubmit(entities);
m_context.SubmitChanges();
}
catch (ChangeConflictException)
{
m_context.ChangeConflicts.ResolveAll(RefreshMode.KeepCurrentValues);
m_context.SubmitChanges();
}
}
{
InitDataContext();
try
{
if (hasRelationship)
{
//Remove the relationship between the entities;
Detach(entity);
}
m_context.GetTable<TEntity>().Attach(entity);
m_context.GetTable<TEntity>().DeleteOnSubmit(entity);
m_context.SubmitChanges();
}
catch (ChangeConflictException)
{
m_context.ChangeConflicts.ResolveAll(RefreshMode.KeepCurrentValues);
m_context.SubmitChanges();
}
}
public void Delete(IList<TEntity> entities, bool hasRelationship)
{
InitDataContext();
try
{
if (hasRelationship)
{
//Remove the relationship
foreach (TEntity entity in entities)
{
Detach(entity);
}
}
m_context.GetTable<TEntity>().AttachAll(entities);
m_context.GetTable<TEntity>().DeleteAllOnSubmit(entities);
m_context.SubmitChanges();
}
catch (ChangeConflictException)
{
m_context.ChangeConflicts.ResolveAll(RefreshMode.KeepCurrentValues);
m_context.SubmitChanges();
}
}
