public bool Delete(DxfFile dxfFile)
{
_applicationDbContext.DxfFiles.Remove(dxfFile);
return(_applicationDbContext.SaveChanges() > 0);
}
public bool Update(DxfFile dxfFile)
{
_applicationDbContext.DxfFiles.Attach(dxfFile);
_applicationDbContext.Entry(dxfFile).State = EntityState.Modified;
return(_applicationDbContext.SaveChanges() > 0);
}
public DxfFile Add(DxfFile dxfFile)
{
_applicationDbContext.DxfFiles.Add(dxfFile);
return(_applicationDbContext.SaveChanges() > 0 ? dxfFile : null);
}