public async Task <bool> ModifyEntityAsync(T t)
{
bool rs = false;
using (var db = new SurgingtestContext())
{
db.Set <T>().Update(t);
rs = await db.SaveChangesAsync() == 1;
}
return(rs);
}
public async Task <bool> DeleteAsync(List <T> t)
{
bool rs = false;
using (var db = new SurgingtestContext())
{
db.Set <T>().RemoveRange(t);
rs = await db.SaveChangesAsync() == t.Count;
}
return(rs);
}
public async Task <bool> ModifyListAsync(List <T> list)
{
bool rs = false;
using (var db = new SurgingtestContext())
{
db.Set <T>().UpdateRange(list);
rs = await db.SaveChangesAsync() == list.Count;
}
return(rs);
}
public async Task <bool> AddListAsync(List <T> t)
{
bool rs = false;
using (var db = new SurgingtestContext())
{
await db.Set <T>().AddRangeAsync(t);
rs = await db.SaveChangesAsync() == t.Count;
}
return(rs);
}
