public static async Task <bool> RetHaveVitelACtiv(int ID_informtion) { System.Data.SqlClient.SqlCommand Sqlcom = new System.Data.SqlClient.SqlCommand("SELECT [Id] FROM [HR_SARC].[dbo].[Team_ta] where [ID_informtion] = @ID_informtion and [Delete] = 0 and Date_End is null"); Sqlcom.Parameters.AddWithValue("ID_informtion", ID_informtion); await Sqldatabasethrding.openConction(); Sqlcom.Connection = Sqldatabasethrding.SqlConnection1; System.Data.SqlClient.SqlDataReader Rader = await Sqlcom.ExecuteReaderAsync(); try { while (await Rader.ReadAsync()) { return(true); } } catch (Exception e) { ErrorClass.SaveErrorFile(e); } finally { Rader.Close(); } return(false); }