public T Find(Expression <Func <T, bool> > predicate)
{
using (RadioContext context = new RadioContext())
{
return(context.GetTable <T>().FirstOrDefault(predicate));
}
}
public List <T> FindAll(Expression <Func <T, bool> > predicate)
{
using (RadioContext context = new RadioContext())
{
return(context.GetTable <T>().Where(predicate).ToList());
}
}
public void Add(T entity)
{
using (RadioContext context = new RadioContext())
{
context.GetTable <T>().InsertOnSubmit(entity);
context.SubmitChanges();
}
}
public void DeleteAll(Expression <Func <T, bool> > predicate)
{
using (RadioContext context = new RadioContext())
{
var entitys = context.GetTable <T>().Where(predicate).ToList();
if (entitys != null && entitys.Count > 0)
{
context.GetTable <T>().DeleteAllOnSubmit(entitys);
context.SubmitChanges();
}
}
}