BLL.Personas.Buscar C# (CSharp) Method

        public override bool Buscar(int IdBuscado)
        {

            DataTable dt = new DataTable();

            try
            {
                dt = conexion.ObtenerDatos(string.Format("select * from Personas where PersonaId=" + IdBuscado));
                if (dt.Rows.Count > 0)
                {
                    this.PersonaId = (int)dt.Rows[0]["PersonaId"];
                    this.Nombre = dt.Rows[0]["Nombre"].ToString();
                }

            }
            catch (Exception ex)
            {

                throw ex;
            }
            return dt.Rows.Count > 0;
        }